testo 0560 Digital Hot Wire Anemometer Instruction Manual
- June 9, 2024
- testo
Table of Contents
0560 Digital Hot Wire Anemometer
testo 425 – Digital hot wire anemometer 0560 0425
Instruction manual
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Contents
Contents
1 2 2.1 2.2 3 4 5 5.1 6 6.1 6.2 6.2.1 6.2.2 6.2.3 6.3 6.3.1 7 7.1 7.1.1 7.1.2 7.1.3 7.1.4 7.1.5 7.1.6 7.1.7 7.2 7.2.1 7.2.2 7.2.3 7.2.4 7.2.5 7.3 8 8.1
About this document …………………………………………………………………3 Safety and disposal……………………………………………………………………3 Security ……………………………………………………………………………………..3 Disposal …………………………………………………………………………………….4 Product-specific information………………………………………………………5 Intended use ……………………………………………………………………………..5 Product description …………………………………………………………………..6 Instrument overview …………………………………………………………………….6 First steps …………………………………………………………………………………7 Inserting / changing batteries ………………………………………………………..7 Getting to know the product ………………………………………………………….8 Connecting probes ………………………………………………………………………8 Switching the instrument on and off ……………………………………………….8 Switching the display illumination on and off ……………………………………8 Establishing a Bluetooth® connection……………………………………………..9 Establishing a Bluetooth® connection to the testo Smart App …………..10 Using the product…………………………………………………………………….11 Controls on the measuring instrument…………………………………………..11 Implementing settings ………………………………………………………………..12 Opening configuration mode ……………………………………………………….13 Setting the unit ………………………………………………………………………….13 Setting the area…………………………………………………………………………14 Reading absolute pressure …………………………………………………………14 Carrying out a reset of the setting menus………………………………………14 Carrying out a reset of the measuring instrument……………………………15 Measuring ………………………………………………………………………………..15 Changing the measurement channel display …………………………………15 Freezing a reading, displaying the maximum/minimum value …………..16 Resetting maximum/minimum values……………………………………………16 Carrying out multi-point mean calculation ……………………………………..16 Carrying out continuous mean calculation……………………………………..17 Printing data ……………………………………………………………………………..18 Controls via testo Smart App ……………………………………………………19 Overview of operating controls …………………………………………………….19
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Contents
8.2 8.2.1 8.2.2 8.2.3 8.3 8.3.1 8.3.2 8.3.3 8.4 8.4.1 8.4.2 8.4.3 8.4.4 8.4.5 8.5 8.6 8.7 8.7.1 8.7.2 8.8 9 9.1 9.2 10 11 11.1 11.2
App options……………………………………………………………………………… 21 Setting the language…………………………………………………………………. 21 Displaying App Info…………………………………………………………………… 21 Displaying the tutorial ……………………………………………………………….. 21 Application menus ……………………………………………………………………. 22 Selecting an application menu ……………………………………………………. 22 Setting favourites ……………………………………………………………………… 22 Displaying information about an application …………………………………. 22 Making measuring instrument settings ………………………………………… 23 Configuring the measuring instrument menu ………………………………… 25 Setting Auto Off ……………………………………………………………………….. 26 Activating damping …………………………………………………………………… 26 Setting the Correction Factor ……………………………………………………… 27 Setting the area ……………………………………………………………………….. 27 Display of the readings ……………………………………………………………… 28 Adjusting the view…………………………………………………………………….. 28 Exporting readings……………………………………………………………………. 29 Excel (CSV) Export…………………………………………………………………… 30 PDF Export ……………………………………………………………………………… 30 Perform Firmware update ………………………………………………………….. 31 Maintaining the product ………………………………………………………….. 32 Inserting / changing batteries……………………………………………………… 32 Cleaning the instrument …………………………………………………………….. 32 Technical data for testo 425…………………………………………………….. 33 Tips and assistance………………………………………………………………… 34 Questions and answers …………………………………………………………….. 34 Accessories and spare parts………………………………………………………. 35
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1 About this document
1 About this document
· The instruction manual is an integral part of the instrument. · Keep this
documentation to hand so that you can refer to it when necessary. · Always use
the complete original instruction manual. · Please read this instruction
manual through carefully and familiarize yourself
with the product before putting it to use. · Hand this instruction manual on
to any subsequent users of the product. · Pay particular attention to the
safety instructions and warning advice in order
to prevent injury and damage to the product.
2 Safety and disposal
2.1 Security
General safety instructions · Only operate the product properly, for its
intended purpose, and within the
parameters specified in the technical data. · Do not apply any force. · Do not
operate the instrument if there are signs of damage to the housing or
connected cables. · Dangers may also arise from objects to be measured or the
measuring
environment. Always comply with the locally valid safety regulations when
carrying out measurements. · Do not store the product together with solvents.
· Do not use any desiccants. · Only perform maintenance and repair work on
this instrument that is described in this documentation. Follow the prescribed
steps exactly when doing the work. · Use only original spare parts from Testo.
Batteries · Improper use of batteries may cause the batteries to be destroyed,
or lead to injury due to current surges, fire or escaping chemicals. · Only
use the batteries supplied in accordance with the instructions in the
instruction manual. · Do not short-circuit the batteries. · Do not take the
batteries apart and do not modify them.
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2 Safety and disposal
· Do not expose the batteries to heavy impacts, water, fire or temperatures in
excess of 60 °C.
· Do not store the batteries in the proximity of metal objects.
· In the event of contact with battery acid: rinse affected areas thoroughly
with water, and if necessary consult a doctor.
· Do not use any leaky or damaged batteries. Warnings
Always pay attention to any information denoted by the following warnings.
Implement the precautionary measures specified!
Risk of death!
DANGER
WARNING Indicates possible serious injury.
Indicates possible minor injury.
CAUTION
CAUTION Indicates possible damage to equipment.
2.2 Disposal
· Dispose of faulty rechargeable batteries and spent batteries in accordance
with the valid legal specifications.
· At the end of its useful life, deliver the product to the separate
collection point for electric and electronic devices (observe local
regulations) or return the product to Testo for disposal.
·
WEEE Reg. No. DE 75334352
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3 Product-specific information
3 Product-specific information
· Do not carry out measurements on live components. · Do not expose handles
and feed lines to temperatures in excess of 70°C
unless they are expressly approved for higher temperatures. Temperature
specifications on probes/sensors refer only to the measuring range of the
sensor system. · Only open the measuring instrument if this is expressly
described in the documentation for the purposes of maintenance or servicing.
4 Intended use
The testo 425 is a compact instrument for measuring flow velocities and
temperatures by means of a permanently connected flow/temperature probe (hot
wire probe). It is intended for indoor use only. The product is designed for
the following tasks/areas: · Volume flow measurements in ducts · Measuring
flow velocities in rooms · Temperature measurement of flows The product should
not be used in the following areas: · In potentially explosive atmospheres. ·
For diagnostic measurements in the medical field.
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5 Product description
5 Product description
5.1 Instrument overview
1 Control keys 3 Probe Explanation of icons
2 Display 4 Battery compartment
Refer to instruction manual
CAUTION Damage to sensor possible!
– Do not touch sensor! – Close the protective sleeve after the measurement.
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6 First steps
6 First steps
c
6.1 Inserting / changing batteries
WARNUNG Serious risk of injury to the user and/or destruction of the
instrument. There is a risk of explosion if the batteries are replaced with
ones that are the wrong type. – Only use non-rechargeable alkaline batteries.
The instrument is switched off.
1 Open the battery compartment (on the back of the instrument) via the snap lock.
2 Insert or replace batteries (3 x AA alkaline batteries).
Observe the polarity!
+ – +
3 Close the battery compartment. When not in use for a long period: Take out
the batteries.
Symbol explanation Do not allow children under 6 years of age to play with
batteries. Do not throw batteries in the trash. Do not charge batteries. Do
not place batteries near fire. Batteries are recyclable.
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6 First steps
6.2 Getting to know the product
6.2.1 Connecting probes
The required probes are permanently connected or integrated. It is not
possible to connect any additional sensors.
6.2.2 Switching the instrument on and off
Switching on 1 Press the On/Off key (0.5 sec).
Measurement view is opened:
The current reading is displayed or —– lights up if no reading is available.
Switching off 1 Press and hold down (2 sec) the On/Off key.
The display turns off.
6.2.3 Switching the display illumination on and off
The measuring instrument is switched on.
1 Press and hold down (2 sec) the MENU/ENTER key.
The display illumination is switched on or off.
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6 First steps
6.3 Establishing a Bluetooth® connection
The instrument can be connected to the testo Smart App via Bluetooth®
connection
The measuring instrument is switched on.
To enable the Bluetooth® connection for the first time, press and hold
(approx. 2 sec) the key.
While the instrument is trying to establish a Bluetooth® connection, the icon
flashes on the display.
Bluetooth® remains enabled until it is disabled manually by pressing and
holding (approx. 2 sec) the key.
The measuring instrument saves the Bluetooth® setting and, depending on the
configuration, starts up with Bluetooth® enabled or disabled.
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6 First steps
6.3.1 Establishing a Bluetooth® connection to the testo Smart App
To establish a connection via Bluetooth®, you need a tablet or smartphone with
the Testo Smart App already installed on it. You can get the App for iOS
instruments in the App Store or for Android instruments in the Play Store.
Compatibility: Requires iOS 13.0 or later/Android 8.0 or later, requires
Bluetooth® 4.2.
Bluetooth® is enabled in the measuring instrument.
1 Open the testo Smart App.
The app automatically searches for Bluetooth® devices in the vicinity.
2 In the Sensors menu, check whether the required instrument is connected.
If necessary, switch the instrument to be connected off and on again to
restart the connection module.
When the testo Smart App is connected to the measuring instrument, the icon
appears on the measuring instrument display.
The measuring instrument automatically synchronizes its date and time settings
with the testo Smart App.
Once connected successfully, the current measured value from the measuring
instrument appears on the app screen in the Live view.
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7 Using the product
7 Using the product
7.1 Controls on the measuring instrument
The instrument is switched on. The testo Smart App is installed on the
smartphone and connected
to the instrument via Bluetooth®.
Settings and controls are implemented either on the instrument or via the app.
If the measuring instrument is connected to the testo Smart App, settings can
only be made via the app. The measuring instrument then remains in the
measurement view and other menus, e.g. Settings, cannot be opened.
1
On/Off / MODE/END key
2
Bluetooth® / key
3
Battery indicator
4
Parameter 1 unit
5
Parameter 1 measured value display
6
Parameter 2 measured value display
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7 Using the product
7
Parameter 2 selected unit
8
Print / key
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Illumination / MENU/ENTER key
7.1.1 Implementing settings
Selecting, opening and setting functions
1 Press the relevant key to select the functions
Secondary assignment (long press) All keys with a grey corner have a secondary
assignment, which can be selected by pressing and holding the key for a longer
time (2 sec). Adjustable functions
Ensure correct settings: all settings are transferred immediately. There is no
Cancel function.
Function Bluetooth® (long press)
Setting options/comments
Switch the Bluetooth® connection on or off
Arrow left On/Off (long press)
Freeze reading (HOLD function), display maximum/minimum value.
In configuration mode: Decrease value, select option Switches the instrument
on or off
MODE/END
Select or end multi-point or continuous mean calculation.
Display illumination (long press)
OFF (display illumination not active) or ON (display illumination active)
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Function MENU/ENTER
Print (long press)
7 Using the product
Setting options/comments Open configuration mode
Start continuous measurement / record multi-point readings (Operation also
possible directly on measuring instrument if it is connected to the app)
In configuration mode: Confirm input Output readings via external printer
Arrow right
Change second measurement parameter (bottom line)
In configuration mode: Increase value, select option
7.1.2 Opening configuration mode
The instrument is switched on and is in the measurement view.
1 Press MENU/ENTER until the display changes.
The instrument is now in configuration mode. Press MENU/ENTER to switch to the
next function. You can leave
configuration mode at any time. To do this, press MODE/END until the
instrument has changed to the measurement view. Any changes that have already
been made in configuration mode will be saved.
7.1.3 Setting the unit
Configuration mode is open, “UNITS” is displayed.
1 Press / to choose between metric (“METR”) and imperial (“IMPER”) units of
measurement and confirm with MENU/ENTER.
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7 Using the product
2 Press / to set the required unit for the top line (m/s, fpm) and confirm
with MENU/ENTER.
3 Press / to set the required unit for the bottom line (m3/h, l/s, cfm) and
confirm with MENU/ENTER.
7.1.4 Setting the area
Configuration mode is open, “AREA” is displayed.
1 Press / to select whether the cross-sectional area is to be entered in m² or
in mm² and confirm with MENU/ENTER.
2 Press / to set the cross-sectional area and confirm with MENU/ENTER.
The measuring instrument can show a maximum of 5 digits in the display (99999
mm²). Conversions from m² to mm² with a value greater than 0.09 m² are
therefore not possible!
7.1.5 Reading absolute pressure
Thanks to a built-in absolute pressure sensor (measurements are taken on the
measuring instrument, not on the probe head), no additional input of the air
density is required.
Configuration mode is open.
1 Press / to scroll through the configuration menus until “P_ABS” (absolute
pressure) is displayed.
The current ambient air pressure is displayed.
7.1.6 Carrying out a reset of the setting menus
Configuration mode is open, “M. RES” (menu reset) is displayed.
1 Press / to select the required option and confirm with MENU/ENTER: o NO: Do
not carry out reset. o YES: Carry out reset. All concealed menus that were
hidden via the testo Smart App are displayed again.
The instrument returns to measurement view.
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7 Using the product
7.1.7 Carrying out a reset of the measuring instrument
Configuration mode is open, “RESET” is displayed.
1 Press / to select the required option and confirm with MENU/ENTER: o NO: Do
not carry out reset. o YES: Carry out reset. The instrument is reset to the
factory settings.
The instrument returns to measurement view.
7.2 Measuring
The instrument is switched on and is in the measurement view.
1 Position the probe.
The arrow mark on the probe head must point in the direction of flow.
The correct measurement value is determined by rotating the probe slightly in
both directions until the maximum value is displayed. 2 Read the measured
values on the display.
7.2.1 Changing the measurement channel display
1 – Switch between the display of temperature (°C, °F) and calculated volume
flow (m3/h, l/s, cfm):
Press .
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7 Using the product
7.2.2 Freezing a reading, displaying the maximum/minimum value
The current reading can be frozen. The maximum and minimum values since the
last time the instrument was switched on in the standard view or during a
multi-point or continuous measurement can be displayed.
1 Press several times until the desired value is displayed.
The following are displayed in turn: o Hold: frozen measured value o Max:
Maximum value o Min: Minimum value o Current measuring value
7.2.3 Resetting maximum/minimum values
The maximum/minimum values of all channels can be reset to the current
reading.
1 Press several times until Max or Min is shown.
2 Hold down (approx. 2 s).
All maximum and minimum values are reset to the current reading.
7.2.4 Carrying out multi-point mean calculation
1 Press MODE/END.
flashes.
The number of readings recorded is displayed in the upper line, while the current reading is displayed in the lower line.
2 To record readings (in the desired quantity):
Press MENU/ENTER (several times).
3 To end measurement and calculate the mean value:
Press MODE/END.
and flash.
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7 Using the product
The number of measured values and the calculated multi-point mean value are
displayed. 4 To switch back to the measuring view:
Press MODE/END.
7.2.5 Carrying out continuous mean calculation
1 Press MODE/END twice.
flashes.
The elapsed measuring time (mm:ss) is displayed in the upper line, while the current reading is displayed in the lower line.
2 Start measurement:
Press MENU/ENTER.
3 To interrupt/continue measurement:
Press MENU/ENTER each time.
4 To end measurement and calculate the mean value:
Press MODE/END.
and flash.
The measurement period and the calculated continuous mean value are displayed.
5 To switch back to the measuring view:
Press MODE/END.
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7 Using the product
7.3 Printing data
A testo Bluetooth®/IRDA printer (order no. 0554 0621) is connected
via Bluetooth and switched on.
When first setting up a connection between the testo measuring instrument and
the testo Bluetooth®/IRDA printer, the initialization phase can last up to 30
seconds. 1 Press and hold to transfer the data to the printer.
Data is printed out (LED on the printer lights up green).
1 Instrument name 3 Date and time of printout 5 Measurment values
2 Firmware version and serial number
4 Measuring type and measured duration
6 Measurement parameters
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8 Controls via testo Smart App
8 Controls via testo Smart App
If the measuring instrument is connected to the testo Smart App, it is
primarily operated via the app. The measuring instrument remains in the
measurement view and settings menus cannot be opened on the measuring
instrument.
8.1 Overview of operating controls
1 Choice of applications
3
Display of connected measuring instruments including readings
Measurement configuration (the
5
menu changes depending on the measuring instrument connected
and the application selected)
2
Switch between the views (live, graphic, table)
4 Start/stop
6
Configuration of the measuring instrument
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8 Controls via testo Smart App
Additional symbols on the user interface of the app (not numbered) One level
back Exit view Share measurement data/report Searching Favourite Deleting
Further information Display report Multiple selection
The Main menu can be accessed via the icon at top left. To exit the main menu,
select a menu or right-click on the guided menus. The last screen displayed is
shown.
Measure Customer Memory Sensors Settings Help and Information Other
applications
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8 Controls via testo Smart App
8.2 App options
8.2.1 Setting the language
1 Click on . 2 Select Settings. 3 Select Language.
A selection list is displayed.
4 Select the required language.
The language is changed.
8.2.2 Displaying App Info
In App Info you can find the version number of the installed App.
1 Click on . 2 Select Help and Information. 3 Select Instrument information.
The version number of the app and the ID are displayed.
8.2.3 Displaying the tutorial
The tutorial guides you through the first steps in operating the testo Smart
App. 1 Click on . 2 Select Help and Information.
The tutorial is displayed. In the tutorial, swipe to display the next page.
3 Click X to quit the tutorial.
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8 Controls via testo Smart App
8.3 Application menus
8.3.1 Selecting an application menu
1 Click on .
A selection of menus for various applications is displayed.
2 Select the required application.
Your selected application is displayed.
8.3.2 Setting favourites
1 Click on .
A selection of menus for various applications is displayed.
2 Select the application you want to set as a favourite. 3 Click on .
The star is displayed in orange: .
8.3.3 Displaying information about an application
1 Click on .
A selection of applications is displayed.
2 Click on .
The information about an application is displayed.
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8 Controls via testo Smart App
8.4 Making measuring instrument settings
The measuring instrument is connected to the testo Smart App.
1 Click on .
The main menu opens.
2
Click on Sensors.
The Sensors menu opens.
3 Click on the required measuring instrument.
Information about the model, order number, serial number and firmware version
is displayed.
4 Click on the Settings tab.
– A window with settings for the respective measuring instrument opens.
In addition to the settings that can be performed on the measuring instrument, additional settings can also be made.
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8 Controls via testo Smart App
5 Click on the blue text under a setting heading to activate or disable
settings or to open an input window to enter a specific value or select a
unit. For details on the settings options, see the following sub-sections.
Changes to the measuring instrument settings in the app are transferred
directly to the measuring instrument. Synchronization with the app is
confirmed on the measuring instrument via “SYNC DONE”.
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8 Controls via testo Smart App
8.4.1 Configuring the measuring instrument menu
The testo Smart App can be used to set which settings menus should be
available or hidden on the measuring instrument itself.
The Settings tab in the Sensors menu is open.
1 Activate Customization instrument menu and click on the blue text Change
instrument menu list under the settings heading.
The Customization instrument menu dialogue opens.
On the measuring instrument, the following menus can be displayed or hidden:
o Setting the unit o Area o Funnel factor
(testo 417 only)
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8 Controls via testo Smart App
2 Deactivate the checkboxes for the measuring instrument menus that are no
longer to be displayed on the measuring instrument itself.
The menus belonging to the deactivated entries will no longer be displayed in
the measuring instrument menu after the next synchronization.
These settings can be reset via the menu reset “M.RES” and then all settings
menus will be displayed on the measuring instrument again.
8.4.2 Setting Auto Off
The Settings tab is open.
1 Enable Activate Auto-off using the slider.
The measuring instrument switches off automatically if no key is pressed for
10 min.
Exception: a frozen reading is shown on the display (“Hold” is displayed).
8.4.3 Activating damping
If the readings fluctuate wildly, it is advisable to damp the readings.
The Settings tab is open.
1 Enable Activate damping using the slider.
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8 Controls via testo Smart App
2 Click on Average of the measured values.
The window for Average of the measured values opens.
3 Enter a value between 2 and 20 measured values.
Changes to the measuring instrument settings in the app are transferred
directly to the measuring instrument. Synchronization with the app is
confirmed on the measuring instrument via “SYNC DONE”.
8.4.4 Setting the Correction Factor
If parts of the cross-sectional area are covered (e.g. by lattice bars), this
can be corrected via the correction factor. The correction factor indicates
the proportion of free space in the crosssectional area. For example: If 20%
of the area is covered, the correction factor must be set to 0.8 (80% free
space).
The correction factor can only be set via the testo Smart App and not directly
on the measuring instrument.
The Settings tab is open.
1 Select Correction factor.
2 Enter the value for the correction factor and save.
The changes are transferred to the measuring instrument and synchronization
with the app is confirmed on the measuring instrument via “SYNC DONE”.
8.4.5 Setting the area
The cross-sectional area of the measuring point can be set both via the testo
Smart App and directly on the measuring instrument. The display of this
setting on the measuring instrument cannot be hidden.
The Settings tab is open.
1 Select Area.
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8 Controls via testo Smart App
2 Enter the value for the cross-sectional area and save.
The changes are transferred to the measuring instrument and synchronization
with the app is confirmed on the measuring instrument via “SYNC DONE”.
8.5 Display of the readings
The available readings can be displayed in different views.
· Live view: The readings transmitted by the measuring probes can be displayed
in a live view. Readings from all connected measuring probes are displayed.
· Graphic view: Up to four different readings can be displayed in graph
format. Readings to be displayed can be selected by tapping on a reading above
the diagram.
· Table view: In the table view, all readings are displayed in sequence
according to date and time. Different readings from the individual measuring
probes can be displayed by pressing .
8.6 Adjusting the view
1 Click on .
2 Select Edit view.
An overview of all measurement channels and their measurement parameters is
displayed. 3 Deselect the “check mark” to hide a measuring instrument’s
measurement channel. 4 Click to select the unit of a measurement channel. 5
Click OK to confirm the settings.
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8 Controls via testo Smart App
8.7 Exporting readings
Export Delete
1 Click on .
Report
2 Select Memory.
3 Click on Select measurement.
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8 Controls via testo Smart App
8.7.1 Excel (CSV) Export
1 Click on .
A selection of export options is displayed.
2 Click on Start export.
A selection of sending/export options is displayed.
3 Select the required sending/export options.
8.7.2 PDF Export
1
Click on Report.
A selection window is displayed.
2 If required, activate the Create PDF with all readings button.
3 Click on Create.
For measurements, please be aware that the option Create PDF with all readings
is only possible up to 30 pages, due to the resulting file size and number of
pages. In the testo DataControl software, however, PDF reports can be created
for all measurements without any restrictions.
A report containing all the information is created. A selection window is
displayed. The report can be sent via e-mail or
Bluetooth®.
4 Click on E-mail or Bluetooth®.
The report will be sent.
c
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8 Controls via testo Smart App
8.8 Perform Firmware update
Ensure that the option for Enable update for connected instruments in
Instrument Information is always enabled.
If a new firmware is available for your measurement instrument, an update
notification is shown after connecting the instrument with the testo Smart
App.
1 Click Start Update to perform the update.
If you click Later, the Update notification is shown again during the next
connection.
During the instrument update the Bluetooth connection must not be
disconnected. The update needs to be performed completely and takes approx.
5-10 minutes depending on the used smartphone.
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9 Maintaining the product
After the update the measuring instrument is restarting.
The firmware can be checked in the instrument menu or via the app.
A restart of the testo Smart App is recommended after the instrument update.
9 Maintaining the product
c
9.1 Inserting / changing batteries
WARNUNG Serious risk of injury to the user and/or destruction of the
instrument. There is a risk of explosion if the batteries are replaced with
ones that are the wrong type. – Only use non-rechargeable alkaline batteries.
The instrument is switched off.
1 Open the battery compartment (on the back of the instrument) via the snap lock.
2 Insert or replace batteries (3 x AA alkaline batteries).
Observe the polarity!
+ – +
3 Close the battery compartment. When not in use for a long period: Take out
the batteries.
9.2 Cleaning the instrument
1 If the housing of the instrument is dirty, clean it with a damp cloth. Do
not use any aggressive cleaning agents or solvents! Mild household cleaning
agents and soap suds may be used.
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10 Technical data for testo 425
10 Technical data for testo 425
· Adjustment conditions for flow probes: Adjustment in free jet Ø 350 mm,
reference pressure 1013 hPa, based on testo reference Laser Doppler Anemometer
(LDA).
· Low flow velocities may result in greater measurement uncertainties during
humidity and temperature measurement! The probe should be switched on outside
a duct under the following conditions: Ambient temperature: 20°C Flow: approx.
0 m/s.
Collapse the telescope after use and do not constrict with the cable. Start
with the telescopic links closest to the handle.
Feature Measurement parameters
Accuracy
Resolution Measuring range Operating temperature Storage temperature Operating
humidity IP class Level of contamination Max. operating altitude Nominal
output Battery type Battery life
Value
m/s, fpm °C, °F m³/h, cfm, l/s ±(0.03 m/s + 4% of measuring value) (0.01 to 20
m/s) ±(0.5 m/s + 5% of measuring value) (20.01 to 30 m/s) ±0.5 °C 0.01 m/s 0.1
°C 0.01 to 30 m/s -20 to +70 °C -20 to +50 °C (instrument) -20 to +70 °C
(probe) -20 to +50 °C
0 to 80 %RH / For indoor use only
IP20
PD2
2000 m above sea level
2 W @ 4,5 V DC
3 x 1.5 V AA battery (included in the scope of delivery) >35 h
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11 Tips and assistance
Feature Dimensions
Weight
Value
Instrument: 171 x 60 x 28 mm Probe: 180 x Ø12 mm Cable: 1.5 m 268 g
11 Tips and assistance
11.1 Questions and answers
Question
Possible cause
Possible solution
is displayed (top right on the display)
Instrument switches itself off
Instrument battery is almost spent
· Auto Off function is switched on
Replace instrument battery
· Switch off Auto Off function
· Remaining battery
· Change the battery.
capacity is insufficient
Display responds sluggishly Display: —–
Display: OOOOO
Display: UUUUU
Display: BT Fail
Ambient temperature is very low
Increase ambient temperature
Sensor error
Please contact your dealer or Customer Service.
Permissible measuring Keep within the permissible range has been exceeded measuring range
Permissible measuring Keep within the permissible range has been undershot measuring range
Bluetooth connection
· Check Bluetooth®
could not be established
connections.
· Restart measuring instrument, restart testo Smart App.
Display: Print Fail Printout could not be performed successfully
· Check Bluetooth® connections, switch off and then on again if necessary.
· Switch printer off and then on again.
Display: Probe Fail Probe damage
Please contact your dealer or Customer Service.
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11 Tips and assistance
Question Display: OTA Fail
Display: APP Lost
Possible cause
The update process “over the air” of the measuring instrument could not be
completed successfully.
Connection to the testo Smart App was interrupted. Keys are locked for 3 s.
Possible solution
Restart the measuring instrument and testo Smart App and check the Bluetooth®
connection.
Restart the measuring instrument and testo Smart App and check the Bluetooth®
connection.
11.2 Accessories and spare parts
Description Bluetooth®/IRDA printer
Order no. 0554 0621
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References
Read User Manual Online (PDF format)
Read User Manual Online (PDF format) >>