Relative Humidity sensors
38 Carrier Sensors
Outdoor Relative
Humidity sensor
Part #33ZCSENORH-01
Measures outdoor
humidity.
CAUTION Do not use a relative humidity sensor and CO
2
sensor on the same zone controller.
Sensor specifications
Operating temperature 40° to 130°F (-4° to 54°C)
Humidity 0 to 99%, non-condensing
Sensor tolerance Accuracy at 25°C: ±2% RH from 10–80%
±3% RH from 80–99%
Power 18-36 Vdc
24 Vac half-wave rectified
Output
#OPNSENSRH-01: 4-20 mA, 0-5 Vdc, and 0–10 Vdc
#33ZCSENSRH-01, #33ZCSENDRH-01,
and #33ZCSENORH-01:
4-20 mA and 0–10 Vdc
Physical Includes a 499 Ohm 1 Watt resistor for conversions of the 4–20 mA signal to
a +2–10 Vdc output signal
Wiring specifications
Cable from sensor to controller: If <100 ft (30.5 meters) 22 AWG, unshielded
If >100 ft (30.5 meters) 22 AWG, shielded
Maximum length: 500 feet (152 meters)
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