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Honeywell BMS NA

C7232 Carbon Dioxide (CO2) Sensor

The C7232 stand-alone Carbon Dioxide (CO2) Sensors and Controllers are used for determining ventilation necessity with HVAC controllers and to manage the amount of fresh outdoor air supplied to maintain acceptable levels of CO2 in the space.

The C7232 Sensor and Controller is a stand-alone carbon dioxide (CO2) sensor for use in determining ventilation necessity with HVAC controllers. The C7232 measures the CO2 concentration in the ventilated space or duct. The C7232 is used in ventilation and air conditioning systems to control the amount of fresh outdoor air supplied to maintain acceptable levels of CO2 in the space.

Features & Benefits:
  • Used for CO2 based ventilation control.
  • Models available with LCD that provides sensor readings and status information.
  • Non-Dispersion-Infrared (NDIR) technology used to measure carbon dioxide gas.
  • Device provides voltage or current output based on CO2 levels.
  • Models available with SPST relay output.
  • Automatic Background Calibration (ABC) algorithm based on long-term evaluation reduces required typical zero-drift check maintenance.
Certifications:
  • CE
  • Underwriters Laboratories Inc. Listed, File No. E4436
  • cUL
  • C7232B: Flammability Rating, UL94-5V
  • C7232A: NEMA1
  • C7232B: NEMA3

Others

  • Maximum Storage Temperature
    • 158 degree Fahrenheit
    • 70 degree Celsius
  • Minimum Operating Ambient Temperature
    • 0 degree Celsius
    • 32 degree Fahrenheit
  • Alarm Relay Output
    • 0/4 - 20 milliampere
  • Minimum Storage Temperature
    • -20 degree Celsius
    • -4 degree Fahrenheit
  • Mounting Type
    • Wall

Others

  • Maximum Storage Temperature
    • 158 degree Fahrenheit
    • 70 degree Celsius
  • Minimum Operating Ambient Temperature
    • 0 degree Celsius
    • 32 degree Fahrenheit
  • Alarm Relay Output
    • 0/4 - 20 milliampere
  • Minimum Storage Temperature
    • -20 degree Celsius
    • -4 degree Fahrenheit
  • Mounting Type
    • Wall
  • Maximum Storage Temperature : 158 degree Fahrenheit|70 degree Celsius
  • Minimum Operating Ambient Temperature : 0 degree Celsius|32 degree Fahrenheit
  • Alarm Relay Output : 0/4 - 20 milliampere
  • Minimum Storage Temperature : -20 degree Celsius|-4 degree Fahrenheit
  • Mounting Type : Wall
Others
Name
Description
File Size
Date
Size
System Engineering Guide
844.38 KB
8/19/2021
PDF 844.38 KB
Cut Energy Costs with a Simple Rooftop Retrofit sell sheet
1.14 MB
8/19/2021
PDF 1.14 MB
Product Data
669.01 KB
8/19/2021
PDF 669.01 KB
Name
Description
File Size
Date
Size
System Engineering Guide
844.38 KB
8/19/2021
PDF 844.38 KB
Cut Energy Costs with a Simple Rooftop Retrofit sell sheet
1.14 MB
8/19/2021
PDF 1.14 MB
Product Data
669.01 KB
8/19/2021
PDF 669.01 KB
Image
SKU
Description
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C7232B1022/U
CO2 sensor, Include Display, Duct-Mount, 142 mm H x 84 mm W x 87 mm D, 203 mm Sensing Tube, No Logo
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C7232B1014/U
CO2 Sensor, Duct-Mount, 0/2 to 10V DC or 0/4 to 20mA
alt
C7232B1006/U
CO2 Sensor, Wall-Mount, Display, 0/2 to 10V DC or 0/4 to 20mA Output
alt
C7232A1008/U
CO2 Sensor, Wall-Mount, Display, 0/2 to 10V DC or 0/4-20mA output
alt
C7232B1030/U
CO2 Sensor, Duct-Mount, 0/2 to 10V DC or 0/4 to 20 mA
alt
C7232A1032/U
CO2 Sensor, Wall-Mount, 0/2 to 10V DC
alt
C7232A1016/U
CO2 Sensor, Wall-Mount, 0/2 to 10V DC or 0/4 to 20mA Output
alt
C7232A1024/U
CO2 Sensor, Include Display, Wall-Mount, 128 mm H x 80 mm W x 25 mm D, No Logo