Instrument Expert
Original factory packaging
Service Hotline：
(+86)010-52867771
Instrument Expert
Original factory packaging
Service Hotline：
(+86)010-52867771
Updated:2025-03-13
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Datasheet
Fitted with Infrared, Catalytic or EC Sensor for Flammable or Toxic Gases
Features
Intrinsically safe when used in conjunction with a safety barrier
Plug-in replaceable sensors
Digital display of gas reading
Optional weatherguard
Single operator calibration
Industry standard 4 to 20 mA output
Our intrinsically safe fixed gas detector is intended for use in a potentially explosive atmosphere where, due to the nature of the environment or the industrial process taking place, there is the risk of an incendive spark from electrical apparatus causing an explosion.
These gas detectors are designed so that the energy produced in the event of an electrical fault is insufficient to cause an incendive spark.
Specifications
| Material |
Plastic (ABS and Polycarbonate blending) Marine Version – Cast Aluminium Alloy |
| Cable entry | 1 x M20 or ?” NPT |
| Dimensions | 122 x 122 x 75 mm |
| Weights |
Plastic Version (excluding weatherguard) – 660grams Marine Version (excluding weatherguard) – 1Kg Weatherguard – 225 grams |
| Display Type | LCD |
| Gas Types |
Oxygen Toxic Flammable Note: Infrared sensors have no response to Hydrogen |
| Operating Voltages |
8 to 24 volts dc (for 4 to 20 mA signal) (infrared and pellistor versions also requires an additional dc supply to power the sensor). |
| Output Signal |
0mA - open circuit 2mA - fault 4mA - zero gas 20mA - full scale gas 22mA - over-range |
| Max. Cable Loop Resistance |
Signal - 560 ohms at 24vdc Pellistor Sensor - 19 ohms at 7.5vdc Infrared Sensor - 15 ohms at 7.5vdc |
| Sensor Type |
Electrochemical NDIR Infrared Pellistor (catalytic bead) |
| Measurement range | Dependent upon sensor type |
| Response time | Sensor response times vary according to the sensor type |
| Measurement Resolution | Dependent upon sensor type |
| IP rating | Enclosure IP66, Sensor IP65 |
| Operating Temperature | Varies with sensor type, typically - 20 to +40°C |
| Storage Temperature | -20 to +50°C |
| Humidity Range |
Oxygen - 0 to 99% RH non-condensing Toxic - 15 to 95% RH non-condensing Infrared – 0 to 95% RH non-condensing Pellistor - 0 to 95% RH non-condensing |
| Operating Pressure | Ambient + or - 10% |
| Hazardous Area Certification | |
| Certificate Numbers |
Oxygen & Toxic Sensors - BAS 01ATEX2300, Code II 2 G Ex ia IIC T4 Gb (-20°C≤Ta≤+60°C) Infrared & Flammable sensors - BAS 01ATEX2300, Code II 2 G Ex db ia IIC T4 Gb (-20°C≤Ta≤+60°C) |
| Standards |
EN 60079-0:2018 EN 60079-1:2014 EN 60079-11:2012 |
| Zones | 1 & 2 |
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