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The Crowcon Smart 3NC Point Gas Detector is a point gas detector for safe areas, with several features for easy operation and maintenance such as ongoing system self-diagnosis, seamless installation and maintenance via handheld keypad and options for relay output and Modbus communication.
Catalytic sensor | Electrochemical cell | Infrared sensor | |
Size | Box: H100 x W100 x D52 mm (3.9 x 3.9 x 2ins) Cover: H105.8 x W105.8 x D7.8 mm (4.2 x 4.2 x 0.3ins) |
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Weight | 0.25kg | ||
Enclosure material | Polycarbonate | ||
Ingress Protection | IP55 | ||
Connection | 2 x M20 | ||
Power | 12-24 Vdc | ||
Electrical output | Analogue 4-20 mA output; 1 or 3 relay board (optional); serial RS485 output (optional) | ||
Operating temperature | -20 / +60°C | -20 / +55°C | -20 / +60°C |
Humidity | 0 / 90% RH | 15 / 90% RH | 0 / 90% RH |
EMC compliance | EN 61000-6-3:2007 + A1:2011; EN 50270:2015 |
Sensor type | |
Methane (CH4) | Catalytic sensor |
Petrol Vapours | Catalytic sensor |
LPG | Catalytic sensor |
Carbon Monoxide (CO) | Electrochemical sensor |
Nitrogen Dioxide (NO2) | Electrochemical sensor |
Chlorine (CL2) | Electrochemical sensor |
Sulphur Dioxide (SO2) | Electrochemical sensor |
Hydrogen Chloride (HCL) | Electrochemical sensor |
Carbon Dioxide (CO2) | Infrared sensor |
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