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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 ranges and outputs
Measurement range0 - 2000 ppm (code 101) / 0 - 5000 ppm (code 102) / 0 - 10000 ppm (code 103)
Accuracy5000 ppm: ±(50 ppm + 3 % F·S) (25 °C) · 10000 ppm: ±(50 ppm + 5 % F·S) (25 °C)
Resolution1 ppm
Stability<2 % F·S
Non-linearity<1 % F·S
Data update2 s
Warm-up time2 min (available), 10 min (max.)
Output (order code)0-10 V, RS485 Modbus RTU, 4-20 mA

Power supply & connectivity

Power supply and connectivity
Power supply12 V – 24 V DC

Installation & environment

Installation and environment
Mounting optionsWall mount, pole mount
Housing materialIndustrial-grade ABS
Protection ratingIP65 (water-resistant and dustproof)
Humidity range0–95 % RH (non-condensing)

Specifications are subject to change. Please check the current datasheet or ask our team before ordering.

Applications & industries

  • Indoor air quality – offices, schools, public spaces
  • Greenhouse climate control
  • Industrial safety in confined spaces

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

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