Honeywell C7232 Catalog Page
Carbon Dioxide (CO2) Sensors
446 customer.honeywell.com 70-6910
C7232 Carbon Dioxide (CO
2
) Sensors
The Carbon Dioxide (CO2) Sensors and Controllers are stand-alone
carbon dioxide (CO2) sensors for use in determining ventilation
necessity with HVAC controllers. The sensor measures the CO2
concentration in the ventilated space or duct. The sensors are
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.
• Models available with LCD that provides sensor readings
and status information
• Non-Dispersion-Infrared (NDIR) technology used to
measure carbon dioxide gas
• Gold-plated sensor provides long-term calibration stability
• C7232 provides voltage or current output based on CO2 levels
• SPST relay output
• Used for CO2 based ventilation control (Demand Control Ventilation (DCV))
• Automatic Background Cal bration (ABC) algorithm based on long-term
evaluation reduces required typical zero-drift check maintenance
Description: Carbon Dioxide Sensor, Non-dispersive Infrared (NDIR),
Wall Mount, LCD Display, Honeywell Logo
Carbon Dioxide Range: 0 to 2000 ppm, adjustable
Analog Current Output: 0/2 - 10 Vdc or 0/4 - 20 mA selectable,
w/ one relay output
Electrical Connections: Six leadwires, 20-gauge, 8 in. long
Contact Ratings: 1 A @ 50 Vac/24 Vdc
Relay Output: One: Normally Open SPST
Voltag e: 24 Vac/dc ±20%,
Frequency: 50 Hz; 60 Hz
Response Time: 1 minute
Sensor Type: Non-dispersive Infrared (NDIR)
Operating Temperature Range: 32 F to 122 F (0 C to 50 C)
Accuracy: (5% full scale)
Product Number Display Mounting
Dimensions, Approximate
Includes(inch) (mm)
C7232A1008/U Yes Wall mount 5 1/16 in. high x 3 11/16 in. wide x 2 in. deep 128 mm high x 80 mm wide x 25 mm deep Honeywell Logo
C7232A1016/U No Wall mount 5 1/16 in. high x 3 5/32 in. wide x 2 in. deep 128 mm high x 80 mm wide x 25 mm deep Honeywell Logo
C7232A1024/U Yes Wall mount 5 1/16 in. high x 3 5/32 in. wide x 2 in. deep 128 mm high x 80 mm wide x 25 mm deep No Honeywell
Logo
C7232A1032/U No Wall mount 5 1/16 in. high x 3 5/32 in. wide x 2 in. deep 128 mm high x 80 mm wide x 25 mm deep No Honeywell
Logo
C7232B1006/U Yes Duct mount 5 5/8 in. high x 3 5/16 in. wide x 3 7/16 in. deep
x plus 8 in. long sensing tube
142 mm high x 84 mm wide x 87 mm deep
x plus 203 mm sensing tube
Honeywell Logo
C7232B1014/U No Duct mount 5 5/8 in. high x 3 5/16 in. wide x 3 7/16 in. deep
x plus 8 in. long sensing tube
142 mm high x 84 mm wide x 87 mm deep
x plus 203 mm sensing tube
Honeywell Logo
C7232B1022/U Yes Duct mount 5 5/8 in. high x 3 5/16 in. wide x 3 7/16 in. deep
x plus 8 in. long sensing tube
142 mm high x 84 mm wide x 87 mm deep
x plus 203 mm sensing tube
No Honeywell
Logo
C7232B1030/U No Duct mount 5 5/8 in. high x 3 5/16 in. wide x 3 7/16 in. deep
x plus 8 in. long sensing tube
142 mm high x 84 mm wide x 87 mm deep
x plus 203 mm sensing tube
No Honeywell
Logo
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