CO₂ & CO Transmitters · Atmos Series
Model CM50
Carbon monoxide gas detector and transmitter, 0–1000 or 0–2000 ppm, ±5 ppm, for car parks, tunnels and plant rooms.
The POLWAX CM50 is an industrial carbon monoxide gas detector and transmitter for underground car parks, tunnels, garages, mechanical rooms, industrial plants and commercial buildings. An optional OLED display shows the reading locally.
| Measurement range | 0 - 1000 ppm (code 101) / 0 - 2000 ppm (code 102) |
|---|---|
| Accuracy | ±5 ppm |
| Resolution | 1 ppm |
| Response time | ≤30 seconds |
| Repeatability | ≤2 % of signal value |
| Zero drift | ±3 ppm |
| Long-term drift | ≤2 % |
| Output (order code) | 0-10 V, RS485, 4-20 mA |
| Sensor lifespan | Up to 5 years |
| Display | Optional OLED display |
|---|
| Power supply | 10–30 V DC |
|---|
| Installation method | Wall-mounted / conduit-mount |
|---|---|
| Operating temperature | -20 °C to 50 °C |
| Operating humidity | 15–90 % RH (non-condensing) |
| Pressure range | 90–110 kPa |
Specifications are subject to change. Please check the current datasheet or ask our team before ordering.
Technical resources
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Tell us about your application — what you need to measure, the range, number of points and where the instrument will be installed. Our team will reply with a recommendation and quotation.
Atmos Series
Model CD50 (CarbonDio50)
Carbon dioxide transmitter with 0–2000, 0–5000 or 0–10000 ppm range and 4–20 mA, 0–10 V or RS485 Modbus RTU output.
Applications: Indoor air quality – offices, schools, public spaces · Greenhouse climate control · Industrial safety in confined spaces
Atmos Series
Model SL50
Noise level transmitter, 30–120 dB with ±1.5 dB accuracy, 4–20 mA, 0–10 V or RS485 Modbus RTU output, IP65.
Applications: Factories & worker safety · Airports · Traffic & smart-city noise monitoring
RHT Series
Model RHT50 WM
Wall-mount temperature and humidity transmitter with two analogue outputs and RS485 Modbus RTU.
Applications: Agriculture & greenhouses · Storage & warehouses · Museums & buildings
ClimaTRANS
Model RHT100
Industrial temperature and humidity transmitter with TFT display, RS485 Modbus RTU and wall or duct mounting.
Applications: HVAC systems & BMS integration · Cleanrooms & pharmaceutical environments · Warehouses & cold storage
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