Co2 Sensor Specifications; Wiring Specifications - Carrier SPS Installation Manual

CO2 sensor

CO2 sensor specifications

Method
Measurement range
Sensor tolerance
Annual drift
Power
Certification

Wiring specifications

Cable from sensor to controller:
Maximum length:
30
Dual Beam Absorption Infrared
Patented TEMA (time extended measurement algorithm) self-calibration
software
Optional thermistor temperature measurement
Sample Method: Diffusion or flow-thru (50 to 100 ml/min)
Analog Output: 0–2000 ppm factory default adjustable to 10,000 ppm
Digital display: 0–10,000 ppm
Sensitivity: ± 10 ppm
Resolution: ± 1 ppm
Accuracy:
Typical Conditions: °60° to 90°F (15° to 32°C)
0–2000 ppm: ± 50 ppm or ± 3% of reading, whichever is greater
2000–10,000 ppm: ± 5% of reading
Extended Conditions : 32° to 122° (0° to 50°C)
0–2000 ppm: ± 100 ppm or ± 5%, whichever is greater
2000–10,000 ppm: ± 7% of reading, whichever is greater
Pressure Dependence: Add 0.13% of reading per mm Hg decrease from 760
(On board correction, user set)
± 10 ppm (negligible) with TEMA on
± 20 ppm typical with TEMA off
Response Time: 0–90% FS < 2 minutes
Warm-Up Time: 25 C < 2 minutes
Operating Conditions: 32° to 122°F (0° to 50°C)
0–95% RH (relative humidity), non-condensing
Storage Conditions: –40° to 158°F (–40° to 70°C)
Requires a dedicated 24 Vac, 3 Va transformer
FCC Part 15 Class B
Calibration Interval: Five years/zero ppm gas offset adjust
If <100 ft (30.5 meters)
If >100 ft (30.5 meters)
500 feet (152 meters)
TM
22 AWG, unshielded
22 AWG, shielded
Carrier Sensors