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CO₂ & CO Transmitters · Atmos Series

CM50 CO (Carbon Monoxide) Transmitter

Model CM50

Carbon monoxide gas detector and transmitter, 0–1000 or 0–2000 ppm, ±5 ppm, for car parks, tunnels and plant rooms.

Range
0–1000 / 0–2000 ppm
Accuracy
±5 ppm
Outputs
4–20 mA, 0–10 V, RS485
Supply
10–30 V DC

Overview

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.

Key features

  • Ranges 0–1000 or 0–2000 ppm
  • Accuracy ±5 ppm, resolution 1 ppm
  • 4–20 mA, 0–10 V or RS485 Modbus RTU output
  • Optional OLED display
  • Sensor lifespan up to 5 years

Technical specifications

Measurement ranges & outputs

Measurement ranges and outputs
Measurement range0 - 1000 ppm (code 101) / 0 - 2000 ppm (code 102)
Accuracy±5 ppm
Resolution1 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 lifespanUp to 5 years

General

General specifications
DisplayOptional OLED display

Power supply & connectivity

Power supply and connectivity
Power supply10–30 V DC

Installation & environment

Installation and environment
Installation methodWall-mounted / conduit-mount
Operating temperature-20 °C to 50 °C
Operating humidity15–90 % RH (non-condensing)
Pressure range90–110 kPa

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

Applications & industries

  • Underground parking garages
  • Tunnels
  • Mechanical & boiler rooms
  • Industrial plants
  • Commercial buildings

Product enquiry

Request a quote for CM50 CO (Carbon Monoxide) 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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