CO₂ & CO Transmitters · 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.
The POLWAX CD50 (CarbonDio50) measures carbon dioxide for indoor air quality management in offices, schools and public spaces, CO₂ control in greenhouses, and safety monitoring in confined spaces and manufacturing environments.
| Measurement range | 0 - 2000 ppm (code 101) / 0 - 5000 ppm (code 102) / 0 - 10000 ppm (code 103) |
|---|---|
| Accuracy | 5000 ppm: ±(50 ppm + 3 % F·S) (25 °C) · 10000 ppm: ±(50 ppm + 5 % F·S) (25 °C) |
| Resolution | 1 ppm |
| Stability | <2 % F·S |
| Non-linearity | <1 % F·S |
| Data update | 2 s |
| Warm-up time | 2 min (available), 10 min (max.) |
| Output (order code) | 0-10 V, RS485 Modbus RTU, 4-20 mA |
| Sensor type | High-precision photodiode |
| Power supply | 12 V – 24 V DC |
|---|
| Mounting options | Wall mount, pole mount |
|---|---|
| Housing material | Industrial-grade ABS |
| Protection rating | IP65 (water-resistant and dustproof) |
| Humidity range | 0–95 % RH (non-condensing) |
Specifications are subject to change. Please check the current datasheet or ask our team before ordering.
Technical resources
Access product datasheets, user manuals, software and technical documentation in your preferred language.
Language English (EN)
Product enquiry
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 CM50
Carbon monoxide gas detector and transmitter, 0–1000 or 0–2000 ppm, ±5 ppm, for car parks, tunnels and plant rooms.
Applications: Underground parking garages · Tunnels · Mechanical & boiler rooms
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
Weather Station
Model PLXWS800
All-in-one weather station: wind speed and direction, temperature, humidity, pressure, noise and PM2.5/PM10 or CO₂ via RS485 Modbus RTU.
Applications: Smart-city weather & air-quality monitoring · Industrial zone environmental monitoring · Agriculture
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
Choose your country and preferred language to access the relevant POLWAX website experience.
1Select Your Country
Australia
Bahrain
Bulgaria
Canada
China
France
Germany
India
Indonesia
Italy
Japan
Kuwait
Malaysia
Netherlands
Norway
Oman
Philippines
Poland
Qatar
Saudi Arabia
Singapore
South Korea
Thailand
Turkey
United Arab Emirates
United Kingdom
United States
No country found.
2Select Your Language
Select a country first.
