CITY TECHNOLOGY iSERIES Intelligent Gas Sensors Instructions

CITY TECHNOLOGY iSERIES Intelligent Gas Sensors

Product Information

Specifications

• Product Name: Series
• Model Numbers:
  • Carbon Monoxide (CO) Sensor: iCO
  • Hydrogen Sulfide (H2S) Sensor: iH2S
  • Oxygen (O2) Sensor: iO2
  • Sulfur Dioxide (SO2) Sensor: iSO2
• Part Numbers:
  • CO Sensor: AB010-R01D-CIT
  • H2S Sensor: AC400-R00D-CIT
  • O2 Sensor: AAW85-07WD-CIT
  • SO2 Sensor: AD300-R04D-CIT
• Marking: CITY TECHNOLOGY P06 1SZ, UK

Product Usage Instructions

Installation

Follow these steps for safe installation:

1. Ensure proper orientation for the iO2 sensor.
2. Refer to hazardous area installation guidelines as per European ATEX Directive 2014/34/EU.
3. Use appropriate tools and equipment for installation.

Operation

Once installed, follow these guidelines for operating the sensors:

1. Power on the device according to the user manual.
2. Regularly check sensor readings for accurate detection.
3. Replace sensor components as per the recommended maintenance schedule.

Maintenance

Maintain the product by

• Cleaning sensors periodically to ensure proper functioning.
• Calibrating sensors as required for accurate readings.
• Replacing any damaged or worn-out parts promptly.

FAQ

• Q: How do I calibrate the sensors?
• A: Refer to the user manual for specific calibration instructions. Typically, calibration involves adjusting sensor settings to a known standard gas concentration.
• Q: What should I do if the sensor readings are inaccurate?
• A: Check for any obstructions or damage to the sensors. Clean or replace components as necessary. If issues persist, contact customer support for further assistance.

Intelligent Gas Sensors • iCO, iH2S, iO2, iSO2, iH2S HC Instructions for Safe Use

Instructions specific to hazardous area installations (reference European ATEX Directive 2014 / 34 / EU)

MODEL NUMBERS

• Carbon Monoxide (CO) Sensor: iCO
• Hydrogen Sulfide (H,S) Sensor: iH2S
• Hydrogen Sulfide (H, S) Sensor: iH2S HC
• Oxygen (0,) Sensor: iO2
• Sulfur Dioxide (SO,) Sensor: iSO2
• Part Number: AB010-RO1D-CIT
• Part Number: AC400-ROOD-CIT
• Part Number: AE400-ROOD
• Part Number: AAW85-07WD-CIT
• Part Number: AD300-RO4D-CIT

MARKING

• Product Marking (PCB)
• CITY TECHNOLOGY P06 1SZ, UK
• MODEL DESIGNATION – e.g., series
• “nnnn” denotes the notified body issuing the ATEX QAN
• “mmmm” denotes the approved body issuing the UKCA QAN

INSTRUCTIONS FOR SAFE INSTALLATION

• series electrochemical sensors (except iO2) are not sensitive to orientation and can be mounted in any orientation with no significant effect on performance. The mounting method should ensure a gas-tight seal. Refer to the mounting application note for further details.
  • iO2 has an orientation sensitivity of <0.2 % vol O2 equivalent
• Sensor pins or contact pads must not be soldered to, as excessive heat may damage the sensor. Connectors are available to assist in mounting the sensors to PCBs. Please contact City Technology for further details.
• The equipment has not been assessed as a safety-related device (as referred to by ATEX Directive 2014/34/EU).
• Ensure that installation of the equipment is carried out by suitably trained personnel under the applicable code of practice.
• Opening the device voids the type of protection.

INSTRUCTIONS FOR SAFE USE

• It is recommended that confirmation of adequate sensor performance be conducted regularly through a defined, sensor calibration procedure. The calibration frequency will depend upon the environment in which the sensor is operated.
• Certain substances are known to have cause cross-interfering effects. Refer to the applicable product datasheet for details.
• The series range of sensors is designed to be used in safety-critical applications.
• To ensure that the sensor and/or instrument in which it is used are operating properly, it is a requirement that the function of the device is confirmed by exposure to target gas (bump check) before each use of the sensor and/or instrument. Failure to carry out such tests may jeopardize the safety of people and property. Use of the sensor outside of these parameters may result in inaccurate gas measurement and possible sensor damage.
• Excessive vibration and shock can result in mechanical breakage of the sensor.
• If the equipment is likely to come into contact with aggressive substances, then it is the responsibility of the user to take suitable precautions that prevent it from being adversely affected, thus ensuring that the type of protection is not compromised.

Aggressive substances: e.g. acidic liquids or gases that may attack metals, or solvents that may affect polymeric materials.
Suitable precautions: regular checks as part of routine inspections.

OPERATING RATINGS

iCO| 0 ppm CO to 1000 ppm CO| Operating Voltage| 3.30 Vdc ±0.3 Vdc
---|---|---|---
iH2S| 0 ppm H2S to 200 ppm H2S| Max. Detector Operating Current| 25 mA
iH2S HC| 0 ppm H2S to 2000 ppm H2S| Max. Power Consumption| 90 mW

iO2

| ****

0 % O2 to 25 % vol. O2

| Operating Temperature Range (iCO, iH2S,

iH2S HC, iO2)

| ****

-40°C to 60°C

iSO2

| ****

0 ppm SO2 to 20 ppm SO2

| Operating Temperature Range (iSO2)| Continuous: -20°C to 50° Intermittent: -40°C to 55°
 |  | Operating Pressure Range| 600 mBar to 1200 mBar
 |  | Operating Humidity Range (iCO, iH2S, iH2S HC, iO2)| 5 %RH to 95 %RH

non-condensing

 |  | Operating Humidity Range (iSO2)| 15 %RH to 90 %RH

non-condensing

LIST OF APPLICABLE STANDARDS

• CENELEC EN 60079-0: 2018 – Explosive atmospheres – Part 0: Equipment. General requirements
• CENELEC EN 60079-11: 2012 – Explosive atmospheres – Part 11: Equipment protection by intrinsic safety “i”
• IEC 60079-0: 2017 – Explosive atmospheres – Part 0: Equipment. General requirements
• IEC 60079-11: 2011 – Explosive atmospheres – Part 11: Equipment protection by intrinsic safety “i”

ENTITY PARAMETERS

SCHEDULE OF LIMITATIONS
(DENOTED BY U AFTER THE CERTIFICATE NUMBER)

• The sensor shall be supplied by an intrinsically safe supply coded Ex ia with a maximum output voltage of 5.88 V, a maximum output current of 1.1A, a maximum output power of 1.2 W and a minimum external capacitance of 13.14 μF.
• The component meets the temperature class T4 if the permitted range of the service temperature at the location of installation is -40°C to 60°C.
• The sensor shall be installed in an additional enclosure that provides a degree of ingress protection of IP20 or greater, according to the intended use and environmental conditions.
• When the sensor is installed in an enclosure containing other devices, care should be taken to ensure that the segregation between the circuit associated with the sensor and other circuits complies with IEC 60079-11:2011 as follows:
  • for terminals: clause 6.2.1 (facilities for connection to external circuits-Terminal).
  • for wiring: Table 5.

RETURN OF FAULTY PRODUCT
series electrochemical sensors are non-repairable products. Faulty products should be returned to the manufacturer’s address below, accompanied by the manufacturer’s Return Material Authorization form (found within the quality section of https://sps. honeywell.com/gb/en/support/advanced-sensing- technologies).

Manufacturer Address

• City Technology Ltd.,
• City Technology Centre,
• Walton Road,
• Portsmouth, Hampshire,
• Great Britain, PO6 1SZ

WARRANTY/REMEDY

Honeywell warrants goods of its manufacture as being free of defective materials and faulty workmanship during the applicable warranty period. Honeywell’s standard product warranty applies unless agreed to otherwise by Honeywell in writing; please refer to your order acknowledgment or consult your local sales office for specific warranty details. If warranted goods are returned to Honeywell during the period of coverage, Honeywell will repair or replace, at its option, without charge those items that Honeywell, in its sole discretion, finds defective. The foregoing is the buyer’s sole remedy and is in place of all other warranties, expressed or implied, including those of merchantability and fitness for a particular purpose. In no event shall Honeywell be liable for consequential, special, or indirect damages.
While Honeywell may provide application assistance personally, through our literature and the Honeywell website, it is the buyer’s sole responsibility to determine the suitability of the product in the application.
Specifications may change without notice. The information we supply is believed to be accurate and reliable as of this writing. However, Honeywell assumes no responsibility for its use.

FOR MORE INFORMATION
Honeywell Sensing and Safety Technologies services its customers through a worldwide network of sales offices and distributors. For application assistance, current specifications, pricing, or the nearest Authorized Distributor,
visit sps.honeywell.com/ast or call:

Honeywell

• Sensing and Safety Technologies
• 830 East Arapaho Road
• Richardson, TX 75081
• sps.honeywell.com/ast

CONTACT

• USA/Canada +302 613 4491
• Latin America +1 305 805 8188
• Europe +44 1344 238258
• Japan +81 (0) 3-6730-7152
• Singapore +65 6355 2828
• Greater China +86 4006396841

002832-3-EN | 3 | 09/22 ECN-00017031 © 2022 Honeywell International Inc. All rights reserved.

References

• Products - Advanced Sensing Technologies | Honeywell

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