CO2 Multi Sensor System

CO2 Multi Sensor System - CO2 Meter
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The CO2 Multi-Sensor System is designed to detect Carbon Dioxide (CO2) levels in the ambient air to protect employees, workers, and establishments.

The CM-7000 features both audible and visual alarms as well as the ability to configure sensors independently including the 3 relays that are triggered at 5,000 TWA, 5000 ppm, 1.5% CO2, and 3% to meet OSHA/NIOSH standards including local fire codes.

Users may configure modules (sensor, horn/strobe, and key switch) from the main CM-7000 tablet either in direct connection or through daisy-chaining modules together.

*The newest version CM-7000 v2.3.10 software update is critical for proper operation of your CM-7000 sensors and tablet. For more information on this firmware update, click here to contact us*

High concentrations of carbon dioxide in confined spaces are dangerous and may lead to negative health problems ranging from fatigue, asphyxiation, or even fatality, if not properly monitored. With the CM-7000, you can ensure that you and your employees are safe and protected. Should an incident occur, you can rely on the CM-7000's ability to trigger an exhaust fan or send an immediate alarm to the fire department or monitoring company.


  • 8" Touch Screen Display Panel 
  • 12+ easily addressable CO2 Sensors (contact us, for configuration details)
  • 100% Clean, Modern Appearance - All cables can be hidden
  • Customer Configurable Alarm and Notification Settings
  • Mute Push Button to temporarily mute audible alarms
  • Integrated Speaker and USB port
  • Meets NFPA, IFC, and NBIC Requirements
  • Meets OSHA and NIOSH TWA Standards
  • Meets all local municipality inspection codes and requirements


  • Restaurant and Food
  • Breweries and Wineries
  • Beverage Dispensing
  • Medical and Scientific
  • Agriculture 
  • Safety


CM-7002 Remote Relay Key Switch Add On

CM-7003- Sensor Unit Add On

CM-7004- Horn Strobe Add On

CM-7005 - Main Tablet

CM-7006 - Mini Display Tablet

SV-1029 - CM-7000 Solenoid Shut Off Valve


    • Measurement Range: 0-5% (0-50,000 ppm) 
    • CO2 Measurement: NDIR (Non-Dispersive Infrared
    • Alarms: 5,000 TWA, 5,000 ppm, 1.5%, and 3% (default)
    • Custom Alarms: 1%, 2%, 2.5%, 3.5%, 4% 
    • Measurement interval: 2 seconds (0.5Hz)
    • Operating Temperature: 32-122°F (0-50°C)
    • Calibration: Zero with Nitrogen or Factory Calibration
    • Connections: Input/ Output/ Strobe - CAT5 8 pin connector
    • Sensor Life Expectancy: > 15 years


    • Wall Power Plug: 110-220 VAC 50/60 Hz to 12 VDC Power Adapter
    • Power Input: 48-58 VDC
    • 48-58VDC hard-wired power option 
    • Power Consumption: 30W
    • Can be connected to a UPS for Battery Backup
    • Horn Strobe: 90-120dB 3KHz, 110 cD
    • Max distance any sensor or horn/strobe can be from the tablet is 250 ft.


      • 1 year - See CO2Meter Terms and Conditions


      CM 7000 - Multi Sensor System Datasheet SpanishDatasheet (pdf)

      CM 7000 - Multi Sensor System Datasheet Spanish Hoja de Datos en Español (pdf)

      CM 7000 - Multi Sensor System Datasheet Italiano Dati Tecnici in Italiano (pdf)

      CM-7000 Manual Manual (pdf)

      Hard Wiring CM-7005 Hard Wiring CM-7005 (pdf)

      Hard Wiring CM-7000 to CM-1026-5 Hard Wiring CM-7000 to CM-1026-5 (pdf)

      Hard Wiring CM-7000 to CM-1026-6 Hard Wiring CM-7000 to CM-1026-6 (pdf)

      Hard Wiring CBL-7002 to CM-1026-5 Hard Wiring CBL-7002 to CM-1026-5 (pdf)

      Hard Wiring CBL-7002 to CM-1026-6 Hard Wiring CBL-7002 to CM-1026-6 (pdf)

      Hard Wiring CM-7004-OUT to CM-7000 Hard Wiring CM-7004-OUT to CM-7000 (pdf)

      CM 7000 - FAQsSV-1029, SV-1030 Wiring Diagram (pdf)

      CM 7000 - FAQs CM-7000 FAQs (pdf)

      CM 7000 - FAQsCM-7004-2 Strobe Product Change Notification

      Remote CO2 Storage Safety 3 Alarm NBIC Required Safety Signage in English, Spanish (pdf)

      CM-7000 Groupings Update How to Create Groupings with the CM-7000 Software Update (pdf)

      CM-7000 Video Playlist CM-7000 Video Playlist - Install, Calibrate, Relays (web)


      **Mandatory Firmware Update - released May 2023**

      Please Note: The most recent firmware of the CM-7000 series is v2.3.7 can be gained by downloading the link below.

      All CO2 Multi Sensor Systems are required to update to the newest firmware v2.3.7 for optimal operation and functionality of the device:


      CM-7002 Remote Relay Key Switch -  the Remote Relay Key Switch unit add-on provides a unique push-button and key switch to mute and reset latch for all sensors connected to the tablet.  Click here, to order

      CBL-7002 Reset Unit Relay Cable -  the CAT5 relay cable provides additional configuration for added sensor capabilities of the CM-7000. This cable is designed to be configured with the CM-7002 Reset Unit and can be wired to the CM-1026-5,6 Strobe Towers and SV-1027 Solenoid Valve.  Click here, to order.

      CM-7004-OUT- an audible/visual strobe alarm that can be used for all exterior placements. Click here to order

      CM-7005 Main Tablet Only  -  8" inch touch screen control panel. Contact us, to order

      CM-7006 - Mini Display Tablet - designed for remote display only. 

      CO2 Storage Safety Strobe Tower- designed to provide a flashing indicator, and audible alarm with any of our CM-7000 systems. Click Here, for More

      SV-1029 Solenoid Safety Shut Off Valve - (3/8 inch valve) designed to be utilized with our CM-7000 CO2 Multi-Sensor System, and can be directly wired to the SV-1029 safety shut-off valve via main tablet or sensor unit relays. Click here to learn more.

      SV-1030 Solenoid Safety Shut Off Valve - (1/2 inch valve) designed to be utilized with our CM-7000 CO2 Multi-Sensor System, and can be directly wired to the SV-1030 safety shut-off valve via main tablet or sensor unit relays. Click here to learn more.

      Calibration Gas - Because of MDOT regulations, calibration gases must be shipped from a certified gas supplier. You can order calibration gas from your local supplier or you can order the following products from

      17L-114 99.999% Nitrogen
      CV-2 Regulator
      3ft Vinyl Tubing

      • Data Sheets

      • Manuals

      • Technical Documents

      • Videos

      • Additional Resources

      • Case Studies

      Customer Reviews

      Based on 3 reviews
      Systems Engineer and Operator

      I have been working closely with Josh and really am impressed with the CO2 Multi Sensor System and its ease of use in operation for our facility. Great work.

      Bob A.
      Easy to learn, easy to follow and easy to setup!

      The Tablet design is awesome. As it is daisy-chainable; the number of ports is perfect. It’s an elegant physical design, and its’ ability to adapt to different configurations is wonderful. The minor flaw? The necessity for power boosters. That necessity is, I am sure, directly related to the POE design and electrodynamic requirements of signal dropoff; yet the booster makes it slightly ungainly; though I understand the need for it. By putting the strobes/horns together--- it saves a step and makes it a time-saving bonus. Well thought out and I love the interface!

      Stu Chang
      The process has been a pleasure

      From the minute I met Josh at the convention center and he walked me through the CM-7000 I knew it was the unit for me. I had to fight to get it and be an early adopter and I am glad I did. At the time I saw it I understood the advantages of expandability and CO2meters commitment to make that happen. What I did not what I did not know at that time......City building departments are not standardized! And they can change their mind! We had submitted plans and had been approved by the Building Department but when the first Fire Inspector showed up they added requirements to the system. To put in perspective we more than doubled the number of sensors and alarms. The added items were quickly supplied by Rosie and supported by Ben. I can only imagine how much difficulty it would have been if I had purchased a more limited system....if possible at all.

      "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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