CO₂ & CO Transmitters · Atmos Series
CD50 CO₂ Transmitter
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.
- Range
- 0–2000 / 5000 / 10000 ppm
- Resolution
- 1 ppm
- Outputs
- 4–20 mA, 0–10 V, RS485
- Protection
- IP65
Overview
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.
Key features
- Ranges 0–2000, 0–5000 or 0–10000 ppm
- Resolution 1 ppm, data update every 2 s
- 4–20 mA, 0–10 V or RS485 Modbus RTU output
- Wall or pole mounting, IP65
Technical specifications
Measurement ranges & outputs
| 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 |
Power supply & connectivity
| Power supply | 12 V – 24 V DC |
|---|
Installation & environment
| 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.
Applications & industries
Product enquiry
Request a quote for CD50 CO₂ Transmitter
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.
- Technical advice on model and options
- Quotation for your quantity
- Datasheets and documentation on request