Trolex TX8005 AIR XD Dust Monitor Instruction Manual

AIRXXD
USER MANUAL
AIR XD_User manual_P5628.1600_Rev G

GENERAL DESCRIPTION

The Trolex AIR XD particulate monitor is designed to provide detailed, accurate, real-time data on airborne particulates so that users can take appropriate actions to stay safe and ensure personnel are fully protected from particulate-related health hazards. The AIR XD allows users to simultaneously monitor multiple Particulate Matter (PM) sizes (PM1.0, PM2.5, PM4.25, PM10, as well as custom sizes) and can report on Total Suspended Particulates (TSP). Precise data is collected for measurable particulates, enabling detailed size profiling and analysis using the application software.
The AIR XD uses an innovative optical particle counter (OPC) that combines adaptive particle flowrate with advanced sensing technology to ensure a high level of measurement accuracy.
The size of each particle is instantaneously measured and classified at up to 10,000 samples per second to allow detailed real-time reporting in high dust environments.
As the AIR XD records data on all particulates between 0.35 μm and 40 μ m, users can easily access and view detailed information about a wide range of PM sizes. Measurement information can be viewed via the instrument display or as live or historical readings using the application software.

1.1 Main features

• Real-time, continuous measurement of atmospheric dust concentration
• High-reliability, low-maintenance for high dust environments
• High capacity OPC
• Industry standard sizing PM1.0, PM2.5, PM.4.25 and PM10
• Low-end resolution measuring down to 0.35 m with 99.9% capture
• Ability to display TSP measurement reading
• Quantification of particle size categories to customer requirements (custom sizing)
• Operational stability in varying environment and atmospheric conditions
• On-device display readout
• Choice of display modes: ‘Live’ readout or configurable ‘Averages’
• Two configurable relay output contacts for remote alarms and control functions
• Two 4 – 20 mA analogue output signals of measured averages
• Remote RS485 MODBUS RTU Serial I/O interface
• Ethernet MODBUS TCP/IP output
• High visibility warning indicators
• ‘Plug and play’ installation

1.2 Performance data
Using current advancements in light-scattering techniques combined with patented data processing algorithms, the AIR XD is able to achieve levels of accuracy (±5%) normally only found in high-end laboratory instruments.
1.3 Intended use
The AIR XD is a particulate monitor designed for use in range of applications and environments.
The instrument is suitable for monitoring in either indoor or outdoor ambient air conditions and can cope with both high and low particulate concentration levels (up to 1,500 mg/m³). The instrument is designed to be low maintenance and does not use pumps or filters. The sensing element has an adaptive flowrate to increase accuracy in environments with varying airflow.
1.4 Limits of use
To ensure the optimum performance and safe operation, the AIR XD must be operated as per the limits detailed in the technical data section of this user manual. Operation outside these limits may result in damage to the equipment or failure to achieve the performance specification.
Continual operation of the AIR XD at extremes of the specified temperature limits may reduce the operating lifetime of the product.
Trolex will not be liable for any injury or damage caused by incorrect installation, setup, operation or maintenance resulting in a failure to follow the procedures and safety instructions provided in this user manual.

PRODUCT SAFETY

The following symbols are used in this manual or on the instrument to indicate procedures that if not followed correctly, may result in personal injury or damage to equipment.

WARNING!
Alerts the user to a potentially hazardous procedure or practice
which if not followed correctly, can result in serious personal injury or
injury of others.
CAUTION!
Alerts the user to a procedure or practice which if not followed correctly, can result in damage to the system or ancillary equipment.
WARNING! – ELECTRIC SHOCK RISK
WARNING! – LASER RADIATION
The use of controls, adjustments, or procedures other than those specified in this user manual may result in exposure to hazardous optical radiation.

DANGER FROM PROCESS

It is possible that the AIR XD could be installed in environments that contain process particulates which can be hazardous to health.
Unless process conditions are known to be entirely safe, suitable precautions such as the use of breathing apparatus or environmental purging/detoxification should be employed before entry is made into the installation or maintenance environment.
Note: This product variant is not designed for use with flammable or explosive dust in combustible concentrations. In the event of potential combustible concentrations becoming present in a nonhazardous location, this variant of the AIR XD must be powered down.
It is the responsibility of the installer to risk asses the suitability of the instrument for installation and use in the intended application.

SAFETY PROCEDURES

Always observe the safety precautions detailed in this user manual. Personnel installing and maintaining the equipment are responsible for their personal safety and correct handling of the equipment in accordance with all safety instructions detailed.
Follow all warnings and instructions marked on the instrument. Warning on the instrument indicate a hazard at or near the location of the warning label.
Installation in working environments can be challenging and correct setup is critical to the function of the instrument. It is important that you carefully read the entire user manual before using and installing the AIR XD for the first time.
Peripheral components such as the power supply and communications module/peripheral or interface must be installed according to the manufacturer’s instructions and the installation location’s prevailing statutory regulations.
The installation of the instrument must only be carried out by competent personnel. Each installation needs to be considered with reference to the local safety regulations and authorities.
Refer to the ‘Certification and Conformity’ section of this user manual and to the relevant certificates for any installation parameters and special conditions of safe use.
Observe the national safety regulations issued, for example, by the employers’ liability insurance association, social security institutions, occupational safety and health authorities or other safety organisations.
4.1 Laser safety precautions
The AIR XD is rated via the Class 1 ‘Laser Safety Guideline’ under all conditions of normal use.
Class 1 laser products may contain laser systems of a higher class but there are adequate engineering control measures to ensure that access to the beam is not permitted during normal use.

WARNING – Class 3B laser radiation: do not open the laser housing when the laser is powered on as it may result in eye damage from directly viewing the laser beam.
The AIR XD complies with:

• IEC 60825-1 2014
• 21 CFR-1040.10 and 1040.11

WARNING – There are no user-serviceable parts inside the AIR XD sensor housing. Servicing should only be carried out by Trolex or an approved service technician.

SYSTEM COMPONENTS

The AIR XD is typically installed as a stand-alone instrument for general purpose applications. The instrument is supplied with peripherals fitted to allow for the plug and play installation to universal mains power supplies and data outputs.
The AIR XD instrument and supporting Trolex Breathe software is specifically designed to work in conjunction with each other using proprietary protocols and design features. The system also supports third-party power supplies and communication protocols where required.

5.1 TX8005 AIR XD Dust Monitor
The AIR XD Dust Monitor uses an OPC that is located inside a robust stainless steel housing. This provides isolation and ingress protection between the particle flow path and the main control circuits. Control circuits are housed in a lockable, IP66-rated coated steel enclosure. Information and settings can be accessed using the keypad and display located on the front of the instrument.
The AIR XD can be configured to report on PM size concentrations or TSP based on user requirement, with the option of two configurable setpoint relay outputs. Detailed information can be transmitted via an RS485 or ethernet connection to a computer running the Trolex Breathe software or downloaded directly from the internal memory module using a USB storage device.
The figure below shows the location of the navigation buttons, display screen and status LEDs. Power and network connections enter the main housing via cable entry glands located on the bottom of the instrument. The AIR XD can be wall or stand mounted via mounting brackets.

5.2 Particle flow path
The AIR XD has been designed with the ability to restrict ingress through the particulate flow path during routine maintenance and cleaning periods. A rotational top cap is used to ‘open’ or ‘close’ the particle flow path to provide increased ingress protection during cleaning. It is recommended that the top cap is set to the ‘closed’ position during instrument maintenance and cleaning to ensure the dust sensor is not exposed to unnecessary ingress. When the top cap is rotated into the ‘closed’ position, the AIR XD conforms to IPX6. The AIR XD can detect whether the flow path is ‘open’ or ‘closed’ and will record top cap positions to aid with instrument maintenance schedules. Note: Rotate the top cap to move between ‘open’ and ‘closed’ positions.

5.3 Peripherals and accessories
Power supply
The AIR XD can be ordered and configured to allow connection to a standard 100 to 240 V ac power supply or a 9 to 36 V dc power supply. Before connecting a power supply to the instrument, ensure that the supply source is compatible with the instrument and information outlined on the appropriate rating plate. See below for rating plate details:

Windows PC or server
A Windows PC or server is required to run the Trolex Breathe software (required to collect and process data from the AIR XD instrument).
It is recommended that client computers meet or exceed the following system requirements, before installing the Trolex Breathe software. This applies to both dedicated hardware and virtual machines. Other configurations may work but cannot be guaranteed.

*This is dependent on the data capture.

Trolex Breathe software
Data transmitted to a PC or server is collected, stored, and processed using the supporting Trolex Breathe software. The instrument communicates with the Breathe software using MODBUS RTU (RS485).
Information collected by the AIR XD device can also be locally downloaded via USB, and imported into the software for data analysis and interrogation.
Breathe application software can be used to monitor in real time or review historical data. It allows the user to monitor instrument information, graph live data sets and monitor alarms.
Note: Operating instructions for the application software are provided in a separate user manual.

 CERTIFICATION AND CONFORMITY

6.1 Compliance
The AIR XD complies with the following European Union directives:

Electromagnetic Compatibility (EMC) Directive 2014/30/EU
Low Voltage Directive (LVD) 2014/35/EU

• EN 61326-1:2013

• EN 61000-6:2:2019

• EN 61000-6-3:2007+A1:2011
  Low Voltage Directive (LVD) 2014/35/EU

• EN 61010-1:2010

Restriction of Hazardous Substances (RoHS) Directive 2011/65/EU

TECHNICAL INFORMATION

7.1 Product specification
Particulate sensing parameters

*The instrument can define particulate measurement peak trends up to the quantity specified.
During sustained high dust loading periods, the instrument will report on PM data up to the quantity specified.
Note:** Sustained exposure to PM quantities above 25 mg/m³ will be logged; however, this may affect the operating life of the OPC.

Technical specification

Particulate flow path (cap open): IP22
Particulate flow path (cap closed): IPX6
Housing material| Polymer coated stainless steel
Net weight| 8.2 kg
Cable entries| 5 x M20 with removable blanks
1 x M20 breather gland (where specified)
1 x M20 USB connector (where specified)
Power| 100 V to 240 V ac 50/60 Hz
9 to 36 V dc
Supply current| 100 mA nominal ac variant
660 mA nominal dc variant
Power consumption| 6 W
Inrush current| 350 mA peak
Relay outputs| Two configurable (alarm outputs)
Dry contact
Maximum rating 36 V ac/dc 300 mA (internal overcurrent and
overvoltage protection fitted
4 – 20 mA outputs| Two configurable (real time or average readings)
R1 and R2 with adjustable setpoints
Maximum attached load: 280Ω
Communications| RS485 data output with MODBUS RTU protocol
Ethernet (MODBUS TCP/IP optional)
Data download| External USB interface
Instrument data storage| 8 GB > 10 years (log rate dependent)
Stored device data can be cleared as required
User interface| 128 x 64 dot matrix display with RGB backlight
Visual alarms| Display RGB backlight
Indicators| 1 x green high brightness LED – sensor heartbeat
1 x blue high brightness LED – communications

7.2 Product dimensions

Note: Recommended 100 mm inlet clearance.

HARDWARE INSTALLATION

8.1 Safety precautions
Refer to section 4 of this user manual before undertaking the installation of the AIR XD instrument. The installation location of the AIR XD instrument is the responsibility of the installer and care should be taken to ensure an appropriate position has been selected. Consider the location of a suitable power supply and external fuses, access to a communications network and the protection of cabling from damage.

1. Secure the AIR XD to a suitable mounting surface using the integrated mounting brackets.
2. Ensure that the AIR XD is mounted in an upright position.
3. Unlock and open the enclosure door.
4.  Ensure that power is isolated before making electrical connections to the instrument.
5. Power supply voltage and frequency must match the instrument (refer to rating plate).
6.  Ensure external switches or fuses are installed where applicable.
7. Run the required cables through the cable glands provided at the base of the enclosure.
8. Wire the cables into the relevant terminals as indicated on the internal plate (refer to section 8.4).
9.  Tighten the cable gland against the cable to ensure an IP seal.
10. Close and lock the door after use to maintain the IP rating of the enclosure.
11. Ensure that the air entry and exit ports are not restricted or covered.

Note: When the door is open, care must be taken to ensure minimal internal contamination during installation.
8.2 Mounting details
Note: Ensure the AIR XD is mounted vertically during installation.

The figure and tables below detail the connections available internally in the AIR XD. The connections can be accessed by opening the front housing of the instrument using the supplied key.
8.3 Main parts

1. Ingress cap
2. Inlet flow ‘on’/’off’ label
3. Display
4. Status LEDs
5. Door lock
6. Navigation keypad
7. Mounting brackets
8. PCB mounting plate
9. Particulate sensor housing| 10. Input/output terminals
11. Input/output labels
12. Air inlet aperture
13. Enclosure door
14. Main enclosure
15. Rating plate
16. Air outlet grille
17. M20 cable glands
18. USB interface
---|---

8.4 Electrical connections
The connections can be accessed by opening the front housing of the instrument using the supplied key.
The connections are clearly labelled on the internal metal plate. Wires are inserted into the connector terminals by first using a small flat-head screwdriver or dedicated tool inserted into the small recess above the appropriate terminal. Pushing the screwdriver down into the mechanism opens the connector terminal allowing the wire to be inserted into the opening. Before placing the wire into the connector, the wire must be stripped and crimped to ensure a good electrical connection. Once the wire has been suffciently pushed into the terminal, remove the screwdriver to allow the mechanism to clamp the crimped end. Give a gentle tug on the wire to make sure it has been clamped suffciently by the connector. Ensure mains cables are fixed in place using the mounting points provided. Details of the connections are given in Table 1 and Table 2 below.

Table 1 : Power, relay and RS485 terminal connections.
The pin connections listed in Table 2 for the Ethernet connector are not labelled in the figure but relate to the internal connections of the RJ45 connector with ‘Pin 1’ on the left up to ‘Pin 8’ on the right.
The switches shown either side of the RS485 terminals in the figure allow setting of half duplex or full duplex mode.

Table 2 : Ethernet and 4 – 20 mA connections.
8.5 I/O terminals
Power, RS485, 4 – 20 mA and relay connection terminal data is highlighted below.

8.6 Power connections
For instruments connected to an ac power supply, it is the responsibility of the installer to ensure that the instrument is installed with the following protection:

• An external fuse or circuit breaker at a maximum of 5 A.
• Externally earthed.

See label below for details.

For instruments connected to a dc power supply, it is the responsibility of the installer to ensure that the instrument is installed with a dc supply, meeting re-enforced insulation requirements of EN61010-1 or equivalent.
For instruments connected to an ac power supply, ensure that the equipment is protected by an external fuse or circuit breaker at a maximum of 5 A.

8.7 RS485 – output signals
The AIR XD provides in and out RS485 terminals to allow ‘daisy-chaining’ of multiple MODBUS devices.
For example: ‘Pin 11’ is common with ‘Pin 13’.

8.8 RS485 – line terminals
Some network installations may require a line termination resistor to be connected across RS485 lines A and B. A 12OR resistor is available with SW4 set to off as standard, highlighted below.

COMMISSIONING

Once installed and powered for first time use, the AIR XD requires some initial parameter set-up via the on-screen user interface. On connection to the communications network, the instrument will be selectable within the Trolex Breathe software and will begin to push data to the PC application.

9.1 First power on
Prior to commissioning and first use, the instrument should be inspected for any visible damage and integrity of the enclosure.

1. Ensure that the electrical connections are correctly installed, as described in section 8.4.
2. Ensure that the door is closed and secured.
3.  Apply power to the AIR XD.
4. A splash screen will be displayed for several seconds whilst the instrument auto configures.
5. Once configuration is complete, the AIR XD will automatically display live data for all PM sizes.

9.2 Breathe software
The Trolex Breathe software is available for download and installation from Trolex Ltd. or via an authorised distribution partner and is specifically designed for the capture of data sets collected by the AIR XD instrument. Installation and commissioning of the Trolex Breathe software is covered in a separate user manual and installation guide.
Note: The Trolex Breathe software is not required for general on-device AIR XD operation and functionality.

CONTROLS AND INDICATORS

10.1 Navigation
The AIR XD information software is navigated using the on-device keypad and display. The keypad consists of four directional keys and a central enter key to allow the scrolling, selection and input of data into the instrument.

10.2 Main function keys

A single press of the ‘Enter’ key is used for the display functions below.
Cycle through PM values on data display screens.
Confirm input value data entry.
Select highlighted option whilst in menu structures.
10.3 Shortcut functions

Press and hold to cycle through previous display screen path.
Release to stop on a specific menu screen.

Press and hold to incrementally skip through numerical values.

During “Live” data display, press and hold the ‘Enter’ key to enter the main menu screen.

GENERAL OPERATION

11.1 User interface display
On initial power up of the AIR XD, particulate sampling will automatically start, and the graphical display will show the following screens. Once the instrument has been configured, with custom values assigned where required, user inputs will be saved in the instrument memory and on consecutive power cycles the AIR XD instrument will always display the following start up screens.
AIR XD power on > title card > “Live” data screen (default to all PM value display)

11.2 PM value display map
The following map details the navigation through the AIR XD PM value display screens.
Users can select between the number of PM data channels displayed on screen, 1, 2, 4 or all, alongside the required data channel average (‘Live’, ‘Average 1’ or ‘Average 2’).

11.3 Top cap closed
If the units top cap is ‘closed’, then the live data will not be displayed.
Instead, a warning will be shown on screen with the backlight being set to red. The device settings can be accessed by pressing the ‘Enter’ key. When the top cap is opened then the screens will return to the live data display.

11.4 Settings structure
The following settings can be configured within the AIR XD settings menu by selecting the required field when highlighted within the black selection bar.

Each settings menu allows users to access the following information or selection options:

• PM settings
  Configure and select custom PM values/ranges and map against instrument channels.

• Averaging
  Configure and select averaging periods for PM values.

• Alarms
  Configure and select on-device alarm functionality.

• Communications
  Configure and select instrument communications protocols.

• Display
  Configure the on-device display and graphical interface.

• Date and time
  Configure the instrument date and time settings.

• System
  Review, configure and update the instrument system settings.

11.5 Passcode protection
The device settings are passcode protected by default. Whenever a setting is changed then the user must enter a passcode before the change of setting is saved and implemented.
Note: By default the passcode is set to “1234”
The passcode is entered using the ‘up’ and ‘down’ keys to increment/decrement the digit. The ‘left’ and ‘right’ keys are used to change the selected digit. Once the code has been entered, press the ‘enter’ key.

If the passcode entered is correct, then the change of settings will be changed. If the passcode is incorrect then the settings will remain unchanged.

11.6 Change passcode
The settings passcode can be changed to a custom value using the “System” menu. Once the user has entered the new passcode they will be required to enter the previous passcode before the change takes place.
11.7 “Enable”/“Disable” passcode protection
Passcode protection of the device settings is enabled by default but can be disabled and reenabled using the on-screen menus.

11.8 PM settings
Configure and map PM sizes against selected channels (“Ch1” to “Ch4”).
PM values can be set to range from 1 μm to 10 μm. Users can choose to display either mg/m³ or μg/m³ for all available channels.
Note: The instrument logs data in μg/m³.

11.9 Setting custom PM values
The following map details the navigation through the AIR XD user interface screens to set and configure custom PM values against channels 1 to 4, including TSP.
“Settings” > “PM settings” > Select channel for configuration.

11.10 PM density
Allows the user to set a custom PM density value for known particulates in the installation environment.
Note: The AIR XD uses a PM density value to calculate the mass of known particulates in the installation environment (1.65 g/ml as default).

11.11 Averaging settings
These averaging settings allow the user to set custom STEL and TWA periods.

Select “TWA Auto Rest” from the menu below.

11.12 Alarm settings
The AIR XD offers two user configurable alarms. Each alarm requires four parameters to be selected and configured. All alarms are logged in the AIR XD event log.

• Assigned a PM size/channel (PM1.0, PM2.5, PM4.25, PM10.0 and TSP) Select one of the four configured PM sizes or TSP as the alarm source.

•  Assigned a data source/channel
  Select whether to act on live data readings or one of the pre-configured averages (15 minutes to 8 hours).

• Assinged a threshold (μg/m³ and mg/m³)
  Set the value at which the alarm will trigger (1 μg/m³ to 9,999 μg/m³ or 0.1 mg/m³ to 6,553.5 mg/m³.

• Assigned latching of non-latching behaviour
  Choose whether the alarm stays active once the fault condition is cleared or is self-clearing (non-latching). For non-latching selections, alarms will be cleared but the event will be logged.
  Note: Once the alarm is triggered, the corresponding relay will then switch, and an alarm message is displayed on screen.

11.13 Channel select
The AIR XD has two alarm channels that can be assigned one of four particulate sizes or TSP.
Note: The current applied value is highlighted by the ‘selection tick’.

11.14 Threshold channel
Select and assign an alarm to a specified data source.
Note: The current applied value is highlighted by the ‘selection tick’.

11.15 Set alarm threshold
Set the threshold value, which activates the alarm. Threshold values can be configured between 1 μg/m³ to 9,999 μg/m³ or 0.1 mg/m³ to 6,553.5 mg/m³.

11.16 Alarm latching
Configure the latching behaviour for selected alarm.
Note: The current applied value is highlighted by the ‘selection tick’.

11.17 “Enable”/“Disable” alarm
Enable to disable audio-visual alarms for selected alarm.
Note: The current applied value is highlighted by the ‘selection tick’.

11.18 4 – 20 mA outputs
The AIR XD offers two 4 – 20 mA outputs. Each 4 – 20 mA output requires two parameters to be selected and configured to determine the functionality of each analogue output.

• Assinged a PM size/channel (PM1.0, PM2.5, PM4.25, PM10.0 and TSP)
  Select one of the four configured PM sizes or TSP as the alarm source.

• Assigned a data channel (“Live”, “Average 1” or “Average 2”)
  Select one of the three data sets to assign the selected 4 – 20 mA output to.

• Assinged the full-scale range of the channel
  A full-scale range of 2,000 μg/m³, for example, will output 20 mA for a value greater or equal to 2,000 μg/m³, and a value of 0 μg/m³ will always have an output of 4 mA.

•  “Enable”/“Disable” the channel
  A disabled channel will output 0 mA.
  During instrument start up and initialisation, each 4 – 20 mA output will perform a calibration routine, which involves sweeping the output from 0 – 20 mA before returning to 4 mA.

• After this has been completed, the output will return to configured functionality.

11.19 Select PM channel
The AIR XD has two 4 – 20 mA outputs that can be assigned to one of four particulate sizes or TSP.
Note: The current applied value is highlighted by the ‘selection tick’.

11.20 Map 4 – 20 mA to data channel
Map the selected 4 – 20 mA output to the required data channel (“Live”, “Average 1” or “Average 2”.

11.21 Set maximum PM value
Set the 4 – 20 mA scaling range for each 4 – 20 mA output. (0 to 9,999 μg/m³ or 0.1 to 6,553 mg/m³.

11.22 “Enable”/“Disable”
Enable or disable 4 – 20 mA outputs.
Note: The current applied value is highlighted by the ‘selection tick’.

11.23 Status
Check the overview status of the 4 – 20 mA channels.

11.24 Communications
The AIR XD offers two selectable communications protocols, RS485 MODBUS and Ethernet MODBUS TCP/IP secured by TLS 1.2, that can be used to configure and network the instrument.
Each communication protocol requires the network and connection parameters to be correctly configured on the instrument and network where applicable.
11.25 Ethernet communications
The AIR XD supports communications over ethernet MODBUS TCP/IP. Ethernet communications requires configuration of the parameters shown in the system menus below to establish successful communication with the designated server.
A separate setup guide is available from Trolex Ltd. The following is an overview of the ethernet communications in the device.
Note: The MODBUS TCP/IP communicates over ‘Port 502’.
Settings > Communications > Ethernet
11.26 Network status
Check the overview status of the connected network.

11.27 IP settings
The AIR XD IP settings can be configured based on application requirements. From the “IP Settings” menu users can select and configure the following.

• Assignment type
• Static IP address
• Subnet mask address
• Gateway address
• Primary DNS
• Secondary DNS

11.28 Ethernet operating mode
The AIR XD can be configured to communicate via MODBUS TCP direct to a PC or server running a MODBUS client.
Note: Selection of the TrolexlCore option allows the data recorded by the AIR XD instrument to be pushed direct to an installed and running TrolexlCore API server. (Not yet implemented.)

11.29 Ethernet connection status
The connection status of the AIR XD can be viewed by pressing the ‘left’ arrow key from the “PM Value” readings screen. The status screen lists the connection type, connection status and instrument IP address.

11.30 RS485 MODBUS communications
The AIR XD has configurable MODBUS baud rates and a user-configurable address. It is possible to configure the MODBUS device address and baud rate through the on-device display menu.
“Settings” > “Communications” > “RS485/MODBUS”

11.31 Set baud rate
The AIR XD instrument baud rate can be selected and assigned from a pre- configured list of options.
Note: The current applied value is highlighted by the ‘selection tick’.

• 4,800
• 9,600
• 14,400
• 19,200
• 38,400
• 57,600
• 115,200 (default)

11.32 Set device address
The AIR XD instrument address is user selectable and can be configured between 001 and 255.

11.33 Set communications parity
The AIR XD instrument parity bit can be selected and assigned from a pre- configured list of options.
Note: The current applied value is highlighted by the ‘selection tick’.

11.34 Display
The AIR XD has a 128 x 64 dot matrix display with backlight. Users can select and configure display contrast, backlight colour and brightness. It is also possible to set power saving mode with display sleep functionality.
11.35 Adjusting display contrast
The AIR XD display can be adjusted to align the contrast ratios with the installation environment.

11.36 Set display backlight
The AIR XD display can be adjusted to align the backlight brightness with the installation environment.

11.37 Set display colour
The AIR XD display can be adjusted to configure the on-screen colour profile.

11.38 Set display sleep
The AIR XD display can be set to enter sleep mode to allow for power saving where required.

The AIR XD display can also be configured to sleep after a chosen time period.

11.39 Date and time
The AIR XD date and time can be configured to suit the installation location.
11.40 Set date
Configure and edit the date stamp logged by the AIR XD instrument.
Note: Date format DD/MM/YYYY.

11.41 Set time
Configure and edit the time stamp logged by the AIR XD instrument.

11.42 System
The AIR XD “System” menu allows users to access system performance, serial information, update firmware and restart the instrument.
11.43 System information
The “System info” menu allows users to view the functional status of the AIR XD instrument.

11.44 Restart controller
The AIR XD instrument can be forced to restart and reboot through the ‘Restart controller’ menu.

11.45 Data download
The AIR XD allows users to download collected data sets via the “Data Download” menu. Data is stored on the instrument internal memory and can be locally downloaded onto a removable USB device when connected via the external USB connector positioned at the base of the instrument.
Note: It is recommended that a USB with at least 8 GB of storage capacity is used for local data download. The AIR XD only supports FAT32 file formatted USB devices. Trolex recommends the use of a dedicated USB device formatting tool, such as AOMEI Partition Assistant or similar when converting large storage sizes to FAT32 file format.

• Collected data can be retrieved from the AIR XD instrument by either selecting the “Download All” or “Download New” data sets.
• Selecting the “Download All” tab will notify users of the number and total size of the files to be downloaded.
• Selecting the “Download New” tab will notify users of the number and total size of the files to be downloaded.*

*This function works based on reading the last file name downloaded to the connected USB device and only downloading the data set recorded after the last download.

D§ata download functionality is only available when a remote USB device is connected to the AIR XD. The following screen will be displayed if a USB device is not connected or cannot be identified by the instrument.
“Settings” > “Data Download” > “Download” > “NO USB DEVICE”

11.46 Memory module
The AIR XD contains an internal memory module that is used to locally store collected data sets on the instrument. The module can be configured from the settings menu to allow local data collection to take place or to stop the AIR XD from writing to the internal memory.
For the majority of applications, the internal memory module will be used and configured to allow the AIR XD instrument to locally store data as well as push data to the Air X software via selected communications channels.
For applications that may require power saving functionality, the internal memory module can be de -selected.
Note: The current selection is highlighted by the ‘selection tick’.

The internal memory module contains 8 GB of storage capacity, which, depending on the frequency of data collected and written, may require clearing. To clear the data set stored on the instrument, follow the on-screen functions detailed below.

11.47 Firmware update
On notification of a firmware update and release, the AIR XD and internal memory module can be updated via the firmware update menu below. The instrument requires the update to take place via the connection of an external USB device loaded with the latest firmware. See section 13 for full details on how to update for full details on how to update the firmware of the device.

11.48 Relay override
If the alarms are enabled, in normal operation the relays will switch over if the assigned alarm threshold is exceeded. In some applications it may be necessary to override the relays to switch on a piece of equipment manually even if the alarm threshold has not been exceeded. To allow this functionality, coil registers (13 and 14) are provided for overriding the relays.
To move a relay to the normally open position, write ‘1’ to the corresponding relay. To place the relays back under the control of the alarms by writing ‘O’ to the relay.
The relays can also be overridden even when the alarms are disabled.
11.49 Watchdog
The AIR XD contains an electronic watchdog to detect and recover from malfunctions without requiring input from the user. Once a device anomaly or malfunction has been detected, the unit will automatically implement a restart sequence.
The instrument will take up to 10 seconds to initiate a soft reset. On recovery from a soft reset, the time based averages are restored and the instrument will continue to log data from the point recorded before the watchdog reset.
Note: In the event of a hard reset, time based averages are reset to factor default (removal of power, then re-application).

INSTRUMENT CONFIGURATION

12.1 Default settings
The AIR XD has been programmed with factory default settings prior to delivery, which are detailed in the table below:

12.2 On-site configuration
The AIR XD instrument can be configured to user requirements following the procedures outlined in section 11, using the on-device screen and buttons/user interface. The Breathe software also supports on-site custom configuration.
12.3 MODBUS addresses
The AIR XD contains the following three MODBUS registers:
“Input Register” (function code “4”)
This is a read-only register containing factory programmed instrument parameters, including serial numbers, firmware versions and live data sets.

Counts
33                    Sampling period| Uint16_t| Counts
34                    Sample flow rate| Uint16_t| 0.01 ml/s/bit
35                    Sensor temperature| Uint16_t| 0.01°C/bit
36                    Sensor humidity| Uint16_t| 0.01%/bit
37                    PM A size (lower 16 bits)| Float32_t| µg/m^3
38                    PM A size (upper 16 bits)| Float32_t| µg/m^3
39                    PM B size (lower 16 bits)| Float32_t| µg/m^3
40                    PM B size (upper 16 bits)| Float32_t| µg/m^3
41                    PM C size (lower 16 bits)| Float32_t| µg/m^3
42                    PM C size (upper 16 bits)| Float32_t| µg/m^3
43                    PM D size (lower 16 bits)| Float32_t| µg/m^3
44                    PM D size (upper 16 bits)| Float32_t| µg/m^3
45                    TSP (lower 16 bits)| Float32_t| µg/m^3
46                    TSP (upper 16 bits)| Float32_t| µg/m^3
47                    PM A “Average 1” (lower 16 bits)| |
48                    PM A “Average 1” (upper 16 bits)|
---|---
49                    PM B “Average 1” (lower 16 bits)| Float32_t| µg/m^3
50                    PM B “Average 1” (upper 16 bits)| Float32_t| µg/m^3
51                    PM C “Average 1” (upper 16 bits)| Float32_t| µg/m^3
52                    PM C “Average 1” (lower 16 bits)| Float32_t| µg/m^3
53                    PM D “Average 1” (lower 16 bits)| Float32_t| µg/m^3
54                    PM D “Average 1” (upper 16 bits)| Float32_t| µg/m^3
55                    TSP “Average 1” (lower 16 bits)| Float32_t| µg/m^3
56                    TSP “Average 1” (upper 16 bits)| Float32_t| µg/m^3
57                    PM A “Average 2” (lower 16 bits)| Float32_t| µg/m^3
58                    PM A “Average 2” (lower 16 bits)| Float32_t| µg/m^3
59                    PM B “Average 2” (lower 16 bits)| Float32_t| µg/m^3
60                    PM B “Average 2” (upper 16 bits)| Float32_t| µg/m^3
61                    PM C “Average 2” (lower 16 bits)| Float32_t| µg/m^3
62                    PM C “Average 2” (upper 16 bits)| Float32_t| µg/m^3
63                    PM D “Average 2” (lower 16 bits)| Float32_t| µg/m^3
64                    PM D “Average 2” (upper 16 bits)| Float32_t| µg/m^3
65                    TSP “Average 2” (lower 16 bits)| Float32_t| µg/m^3
66                    TSP “Average 2” (upper 16 bits)| Float32_t| µg/m^3
67                    AIR XD supply voltage| Uint16_t| mv/bit
68                    Laser current / mA| Uint16_t| mv/bit
69                    Fan current / mA| Uint16_t| mv/bit
70                    Status register| Uint16_t|

12.4 Reading floating point registers
MODBUS itself does not define a floating point data type but it is industry standard to use the IEEE-754 standard for defining floating point numbers. There is, however, there is no clear-cut definition of the byte order of the data payload.
By default, the Trolex AIR XD XD uses a little-endian format for the floating point numbers split across two 16-bit MODBUS registers. If this is not compatible with your system and a big endian format or byte swapping is required, the byte ordering can be switched using the on-device menus as shown below.

The order of the byte forming the floating-point registers can also be configured remotely through writing to the coil registers.
Coil registers 16 and 17 enact this functionality with the logic table outlined below.

Coil register 16| Coil register 17| Floating point register
---|---|---
0| 0| Big endian
0| 1| Big endian byte swap
1| 0| Little endian
1| 1| Little endian byte swap

Function code “1” read.
Function code “5” write.
This is a read/write register containing the instrument binary settings, including alarm status, PM units and 4 – 20 mA output “Enable”/“Disable” status.
Writing to this register will result in the setting being changed permanently. However, if an alarm is activated, writing to the alarm status coil will dismiss the active alarm until the alarm threshold parameters have been re- exceeded.

0: Auto-reset
3                      “Channel 2” alarm latch| Bool| 1: Latch

0: Auto-reset

---|---|---
4                      “Channel 1” alarm mute| Bool|
5                      “Channel 2” alarm mute| Bool|
6                      PM units| Bool| 0: µg/m
| | 1: mg/m
7                      Reserved for future use| Bool| 0: False
| | 1: True
8                      Memory module fitted| Bool| 0: Not fitted
| | 1: Fitted
9                      4 – 20 mA “Channel 1”| Bool| 0: Disabled
“Enable”/“Disable”| | 1: Enabled
10                    4 – 20 mA “Channel 2”| Bool| 0: Disabled
“Enable”/“Disable”| | 1: Enabled
11                    Top cap status| Bool| 0: Open
(read only)| | 1: Closed
12                    Alarm “Channel 1”| Bool| 0: Disabled
“Enable”/“Disable”| | 1: Enabled
13                    Alarm “Channel 2”| Bool| 0: Disabled
“Enable”/“Disable”| | 1: Enabled
14                    Relay 1 override| Bool| 0: Relay under alarm
| | control
| | 1: Relay override
| | active
15                    Relay 2 override| Bool| 0: Relay under alarm
| | control
| | 1: Relay override
| | active
16                    Floating point data endianness| Bool| 0: Big endian
| | 1: Little endian
17                    Floating point data byte swap| Bool| 0: No byte swap
| | 1: Byte swapping
| | enabled

12.6 Holding register
Function code “3” read.
Function code “6” write.
This is a read/write register containing the instrument settings and parameters, including instrument date, time, PM assignment and MODBUS settings. Writing to this register will result in the setting being changed permanently.
Note: Writing to the MODBUS settings will result in communication errors until the user has changed their local instrument MODBUS parameters to match the new setting selected on the AIR XD.

1 – PM B live
2   – PM C live
3   – PM D live
4   – TSP live
5   – PM A Av 1
6   – PM B Av 1
7  – PM C Av 1
8   – PM D Av 1
9   – TSP Av 1
10 – PM A Av 2
11 – PM B Av 2
12 – PM C Av 2
13 – PM D Av 2
14 – TSP Av 2
13                   Alarm 2 assignment| Uint16_t| 0    – PM A live

1  – PM B live

2   – PM C live

3   – PM D live

4   – TSP live

5   – PM A Av 1

6   – PM B Av 1

7   – PM C Av 1

8   – PM D Av 1

9   – TSP Av 1

10   – PM A Av 2

11 – PM B Av 2

12   – PM C Av 2

13   – PM D Av 2

14   – TSP Av 2

---|---|---
14                    Alarm 1 threshold| Uint16_t| As µg/m
15                    Alarm 2 threshold| Uint16_t| As µg/m
16                    4 – 20 mA “Channel 1” assignment| Uint16_t| 0: PM A

3: PM D

17                    4 – 20 mA “Channel 2” assignment| Uint16_t| 0: PM A

3: PM D

18                    4 – 20 mA “Channel 1” scaling| Uint16_t|
19                    4 – 20 mA “Channel 2” scaling| Uint16_t|
20                    Average “Channel 1” time| Uint16_t| As minutes
21                    Average “Channel 2” time| Uint16_t| As minutes
22                    Alarm 2 assignment| Uint16_t| 0: 4,800

1: 9,600

2: 14,400

3: 19,200

4: 38,400

5: 57,600

6: 115,200

23                    MODBUS address| Uint8_t|

12.7 Instrument self-test
On initial power on, the AIR XD is programmed to perform a set of initialisation tests, which are listed and described below. Throughout general function, the AIR XD will periodically perform these tests to ensure correct operation.

• OPC sensor communications check
  Ensures commiunications and correct functionality of the OPC sensor.

• OPC temperature sensor test
  Ensures the OPC sensor is operating within the specified safe temperature limits.

• 4 – 20 mA self-test
  During instrument start up and initialisiation, each 4 – 20 mA output will perform a calibration routine which involves sweeping the output from 0 – 20 mA before returning to 4 mA. After this has been completed, the output will return to configured functionality.

• Data logging comms test
  Ensures communications and correct functionality of the AIR XD memory module.

• EEPROM memory test
  Ensures communications and functionality of the EEPROM is correct and that custom defined user settings are not lost.

UPDATING FIRMWARE

To perform a firmware update, the instrument requires a connection to an external USB drive, formatted to the FAT32 file system, which has been loaded with the latest firmware release.
Connection to the USB drive is made via the USB interface port located on the underside side of the AIR XD as shown in the figure below (remove the IP-rated cover cap to access the USB interface).
Firmware updates should only take place on notification and release from Trolex or an approved distribution partner.

13.1 Units with controller v1.2.3 or earlier and/or memory module v1.4 or earlier
Updating the firmware will result in loss of data download. Ensure that all data is downloaded from the unit before an update is undertaken.
After the memory module has been updated, data logging will only commence after the memory module has been cleared using the on-device menus, the steps for which are outlined in section 11.46.
13.2 Preparation
The following steps should be taken prior to updating the instrument:

1. Format a memory stick to FAT32 file system.
2. Copy the firmware files provided by Trolex or an approved distributor onto the formatted memory stick. The controller files have the format “P5628.704_xx_cont.hex” and the memory module files have the format “P5628.705_xx_mm.hex” (where “xx” is the firmware revision).
3. Insert the USB drive into the AIR XD USB interface connector, the display background will turn green on successful paring with the device.

13.3 Steps to update the controller

1. Navigate to the firmware update menu as shown below and then select the “Controller” on the select device menu.
   

2. Press “YES” to confirm the update, and the controller will then clear the memory in anticipation for the update and a screen will display “Receiving Packet x of x”. Once this is underway, it can take up to 30 minutes to receive all data packets.

3. Once all packets have been received, the unit will restart and perform the update. During this time the screen will go blank for up to 60 seconds. Do not remove power during this time.

4. When the update is complete, the unit will reboot, and the new version number will be displayed on the start-up screen and in the “System info” screen.

13.4 Steps to update the memory module

1.  Navigate to the firmware update menu as per controller update. Selecting the Memory Module on the select device screen.
2.  Press “YES” to confirm the update, the memory module will then begin receiving data from the USB device. The display will show a message reading “Receiving Data…”
3. The firmware update should take no longer than 60 seconds. If the update is a success, a confirmation screen is shown and the user is presented with a “Confirm unit restart” message.
4. Press “Confirm” on unit restart and the instrument will reboot. To view the new memory module firmware version, navigate to the system info screen as shown below.
   

Note: When updating the memory module firmware, all saved data log files will be lost and overwritten. Please ensure all data has been locally downloaded from the unit before proceeding.
After the firmware update, ensure that the ‘Wipe data’ function has been performed before resuming normal operation.

MAINTENANCE

The maintenance of the AIR XD must only be carried out by competent personnel.
Maintenance should be considered with reference to the local safety regulations, authorities, and guidelines.

14.1 Visual checks
Periodic visual checks should be carried out to assess if there are any issues arising with the AIR XD instrument. Check for:

1. External damage to the instrument. Plastic parts should not be cracked or broken, which could affect the IP rating of the instrument.
2.  Internal or external damage to wiring that is connected to the AIR XD instrument.
3. Labels on the instrument are still in place and are not peeling or discolouring.

14.2 Cleaning labels
It is recommended to periodically clean the instrument with a damp cloth, to ensure the display, keypad and rating labels are clean and legible.
14.3 Air entry/exit apertures
The AIR XD has been designed to allow for infrequent pressure washing during maintenance schedules.
Note: Ensure inlet cap is closed before pressure washing the AIR XD instrument.
It is important that an appropriate distance is kept between a pressure washer and all AIR XD surfaces when cleaning to avoid any damage to the surface being cleaned. Care should also be taken to ensure that the underside of the instrument is not subject to the direct water jet to ensure that water does not enter the air flow path.
The air exit aperture is protected by a stainless steel grille to minimise the ingress of debris into the instrument. It is recommended that the grille is checked and cleaned during maintenance periods.
14.4 Filter replacement
It is recommended that the AIR XD is installed with location and proximity consideration to atomising dust suppression systems.
Instrument readings will include atomised or misted sizes that pass through the AIR XD sensorwithin the particle detection range.
14.5 Preventative maintenance

Dust loading| Average dust loading in mg/m| Expected maintenance schedule
---|---|---
Low| Up to 5 mg/m| 6 to 12 months
Medium| Up to 10 mg/m| 3 to 6 months
High| 10 mg/m or above| 1 to 3 months

Particulate types and operating environments vary, therefore the maintenance schedules above should be used as a guide only.
An assessment of site environmental and operating conditions should be carried out periodically to assess the required maintenance.
14.6 Sensor cleaning
As part of the routine maintenance schedule, it is recommended that the sensor is cleaned from time to time following the steps below.

1. Wipe down the AIR XD inlet surfaces with a damp cloth in both ‘open’ and ‘closed’ positions.
2.  Using canned compressed clean air, spray the device inlet for 10 to 15 seconds to clean the dust path.
   

14.7 Compliance audit check
The AIR XD has been designed with an inbuilt compliance audit routine/test to allow for the infrequent checking of device functionality against a selection of sized reference particulates.
The on-device compliance audit routine must be carried out using the Trolex Compliance Audit Kit, which contains the accessories required to conduct the procedure, including:

• Particle dispersion hood
• Reference particle sizes (reference material)
• Dosing bottle
• Carry case

The following on-device compliance audit check menu sequence will be presented.

1. “Navigate to the “Settings” > “Maintenance” > “Compliance Test” on the AIR XD device.

2. Follow the on-device instructions and select the reference material size required from the “Choose PM Size” menu.

3. The AIR XD will reset the memory module in preparation to perform the test. An on-device message will be displayed “Resetting Memory Module – Please Wait…”

4. Following the reset, the AIR XD will prompt a clean down. It is important to ensure that the AIR XD particulate inlet has been cleaned following the steps outlined in section 14.5 before selecting “Yes” and proceeding with the test.

5.  Ensure that the AIR XD top cap is open and select “Yes” to proceed.

6.  Once it is confirmed that the top cap is open, the AIR XD will prompt the fitting of the  articulate dispersion hood that is supplied with the Trolex Compliance Audit Kit. It is important to ensure that the particulate dispersion hood is fitted to the AIR XD as shown below and thatthe dosing opening is accessible.
   

7. Before selecting “Yes” to continue, ensure that the particulate dosing bottle is filled with the required reference material and ready to be presented to the AIR XD.

8. “After selecting “Yes” from the “Fit Particulate Hood” screen, use the particulate dosing bottle containing the required size reference material to dose the particulate dispersion hood for the first 10 seconds of the compliance audit check.
   Note: It is important to dose the AIR XD unit with several measures of the reference particulate material during the first 10 seconds of the compliance audit check.
   

9. The AIR XD will continue to count down and analyse the sample particulate dose for the remain test time frame.

10. On sampling completion, the AIR XD will return an on-screen “Pass” or “Fail” result based on the test results and sampled reference particulate. Please see section 14.7 for detailed test information.

11. On return of a test result, and completion of the compliance audit test, the AIR XD will restart the memory module and revert to sampling function/data logging mode.

Note: Users may be required to clean the particle dispersion hood between compliance audit tests.
14.8 Compliance audit check – results
The AIR XD is designed to return an on-device “Pass”/“Fail” result based on the compliance audit check results and operational threshold for the applicable particulate sizes.
Return of a “Pass” result
On return of a “Pass” result, the particulate sensor is functioning as expected and normal monitoring operations can resume.
Return of a “Fail” result
Run a sensor cleaning operation as highlighted in section 14.5.

1.  Repeat the compliance audit check sequence and note the test result.
2.  On return of a “Pass” result, the particulate sensor is functioning as expected and normal monitoring operations can can resume.
3. On return of a repeat “Fail” result, please contact Trolex to discuss support or servicing options of the AIR XD unit.

Device logged test data
As the AIR XD test procedure is completed for each particle size, the unit automatically exports specific ‘TRX’ files for the logged test period only. These are saved with a specific file name prefix (‘QA’) to identify them from normal operational data logging file sets, which can be imported into Trolex Breathe software and analysed as required.

TROUBLESHOOTING

The following sections detail and contain information to assist with the troubleshooting of instrument functionality if required. If an issue is non- resolvable based on the information below, please contact the Trolex product support team.
15.1 High temperature operating
The AIR XD operates a protective thermal cut-out sequence when the temperature inside the instrument exceeds the maximum operating temperature specification detailed in section 7. This protective measure is in place to maintain the lifespan and operating functionality of the optical sensor assembly when the AIR XD is installed in environments with high ambient temperatures.
15.2 Low temperature start-up
If the internal temperature of the instrument is suspected to be below -10°C, for example, if it has been left powered off for a period of time in a very cold environment, damage to the optical assembly may occur when power is applied. Allow the instrument to reach safe operating temperature before applying power.
15.3 Fault codes
The following codes relate to on-screen warnings that the AIR XD will display when a fault is encountered during normal operations.

custom settings and check if unit saves and restores files. Contact Trolex or an approved distributor if this fails.
0x0301| No sensor comms| Communications with the particulate sensor assembly has been lost.| Check `D’ type connector to sensor housing and power cycle unit.
0x0304| Fan current too high| Fan may have malfunctioned.| Check instrument is operating within rated temperature range.
0x0305| No fan current| Fan may have malfunctioned.| Check instrument is operating within rated temperature range.
0x0306| Sensor laser current high| Particulate sensor may have failed or is operating at excessive temperatures.| Check instrument is operating within rated temperature range.
0x0307| Sensor laser current low| Particulate sensor may have failed.| Contact Trolex or an approved distributor.
---|---|---|---
0x0308| Sensor temperature too high| Instrument is operating above specified

temperature limits. Instrument has gone in to safe mode.

| Reduce operating temperature below 50°C.
0x0402| Lost memory comms| Communications to memory module has failed. Data logging functionality is lost.| Power cycle to reset instrument processor and retry.
Contact Trolex or approved distributor if this fails.

GLOSSARY AND DEFINITIONS

micrometres for standard TSP range and up to 150 micrometres for extended TSP range.
μg/m³| Microgram per metre cubed. The concentration of an air pollutant given in micrograms (one-millionth of a gram) per cubic metre of air.
mg/m³| Milligram per metre cubed. The concentration of an air pollutant given in milligrams (one-thousandth of a gram) per cubic metre of air.
OPC| Optical particulate counter.
PPM| Parts per million.
Particulate matter (PM)| General term for a mixture of solids and liquid droplets suspended in the air from typical processes including combustion, industrial activities or natural sources.
PMx| PMx is particulate matter x micrometre or less.

DISPOSAL

17.1 Waste of Electrical and Electronic Equipment (WEEE) Directive (2012/19/EU)

This symbol, if marked on the product or its packaging, indicates that this product must not be disposed of with general household waste.
In the European Union and many other countries, separate collection systems have been set up to handle the recycling of electrical and electronic waste.
At the end of the product’s life, do not dispose of any electronic sensor, component or instrument in the domestic waste. Contact Trolex or the distributor for disposal instructions.

GET IN TOUCH

18.1 Technical support
Our UK technical services team are available to provide expert ongoing technical assistance and technical support packages tailored to your specific requirements.
Please contact our technical services team:
Telephone: +44 (0)161 483 1435
Email: [email protected]

18.2 Feedback
If you have any suggestions for improvements or amendments, or find errors in this publication, you can contact [email protected] directly.

DISCLAIMER

The information provided in this document contains general descriptions and technical characteristics of the performance of the product. It is not intended as a substitute for and is not to be used for determining suitability or reliability of this product for specific user applications. It is the duty of any user or installer to perform the appropriate and complete risk assessment, evaluation and testing of the products with respect to the specific application or use. Trolex shall not be responsible or liable for misuse of the information contained herein. When instruments are used for applications with technical safety requirements, the relevant instructions must be followed.
All pertinent state, regional, and local safety regulations must be observed when installing and using this instrument. For reasons of safety and to help ensure compliance with documented system data, only Trolex or its affliates should perform repairs to components.
Trolex Ltd. reserves the right to revise and update this documentation from time to time without obligation to provide notification of such revision or change. Revised documentation may be obtainable from Trolex.
Trolex Ltd. reserves the right, without notice, to make changes in equipment design or performance as progress in engineering, manufacturing or technology may warrant.
TRADEMARK
© 2023 Trolex® Ltd.
No part of this document may be reproduced in any form or by any means, electronic or mechanical, including photocopying, without express written permission of Trolex.
Trolex is a registered trademark of Trolex Ltd. The use of all trademarks in this document is acknowledged.
At Trolex, we save lives.
We believe that no person should risk their life to earn a living.
Our aim is to become the world’s leading name in health and safety technology, through pioneering products that provide real-world benefits to our customers, wheneverworkers operate in hazardous environments.
For more information about Trolex, please contact us at:

Enquiries
[email protected]
Telephone
+44 (0) 161 483 1435
Fax
+44 (0) 161 483 5556
Trolex Ltd
Newby Road, Hazel Grove
Stockport, Cheshire
SK7 5DY, United Kingdom
Website
www.trolex.com

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References

• Trolex – At Trolex, we save lives. 60 years of our pioneering safety technology has helped keep workers protected in even the most challenging environments.

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