**Please Note: The CO2Meter offices will be closed in observance of the US Thanksgiving holiday beginning at 5:00 pm et. Wednesday, November 24. All operations will reopen Monday, November 29 at 8:30 am et. Orders placed after noon et. November 24 will be fulfilled on November 29. Happy Holiday!**

CO2, Temp, and RH Indoor Air Quality Monitor

CO2, Temp, and RH Indoor Air Quality Monitor
Regular price $299.00

POs or wholesale quantity discounts click here

The CO2, Temp, and RH Indoor Air Quality Monitor is a simple, low-cost, and maintenance-free fixed wall-mounted device. This unit is designed to be installed in indoor air environments such as homes, office buildings, classrooms, or commercial settings.

The CM-225 uses a 3-color back-lit LCD display and provides a digital readout for individuals to view the current CO2 concentration levels. In addition, the unit has 4 user-selectable configurations depending upon installation and specific indoor air environments.

Features

  • Clear Digital Readout
  • Bold 3 Color Code Indication
  • Offers 4 pre-set programs dependent on desired parameters
  • Built-in Volt-free contact relay
  • ABC Enabled Calibration
  • 100-240V AC Power Supply
  • The backplate can be pre-wired
  • Mounting ability to standard single gang junction box or conduit box
  • Easily interfaced with ventilation and window control systems
  • Meets LEED Certification
  • CE and ROHS compliant

Specifications

  • CO2 Sensing Method: Non-Dispersive Infra-red (NDIR)
  • Sampling Method: Diffusion
  • CO2 Range: 0 - 10,000ppm
  • CO2 Accuracy: ±40 ppm +3% @ NTP
  • CO2 Display Resolution: 1ppm
  • Temp Range: 32 - 122°F
  • Temp Accuracy: ±0.5°F @ 77°F
  • Temp Display Resolution: 0.1°C
  • RH Range: 0 - 100%
  • RH Accuracy: ±2% @ 20 - 80%
  • RH Display Resolution: 0.1%
  • Operating Conditions Temp: 32 - 122°F
  • Humidity: 0 - 95% (NC)
  • Warm-up: Time 5 Seconds
  • CO2 Typical Sensor Life: 10+ Year
  • Approval: CE, UKCA
  • Power Supply: 100 – 240V AC 50/60Hz
  • Power Consumption: 3W Max
  • VFC Output: SPST – 5A @ 240V Max (N/O)
  • Dimensions: 86 mm x 125 mm x 36 mm

Electrical

  • Power Supply: 100-240 VAC 50-60Hz
  • Power Consumption: 3W Max
  • VFC Output: SPST-5A @ 240V MAX (N/O)

Warranty

  • 1 year - See CO2Meter Terms and Conditions.

Accessories

CM-225-WP: Standard 110AC Power Adapter

  • Data Sheets

  • Manuals

  • Technical Documents

  • Videos

  • Additional Resources

Customer Reviews

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"Easy to install, easy to set up, and easy calibration - just what I was looking for."

- Phillip Farrar
Water Plant Superintendent

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