Honeywell CO GD250W4NB / GD250W4E Carbon Monoxide
GD250W4NB is IAQ(Indoor Air Quality) sensor, which is
designed to detect carbon monoxide gas in the air. This
model has high accuracy at low concentration, so it is
optimum for parking lot, tunnel and under ground places.
Also, the advantage of this model is compact size and
easy installation.
FEATURES
· High sensitivity and selectivity to carbon monoxide
· Low sensitivity to alcohol vapor
· Solid state sensor
· Linear 2 to 10 Vdc or 4 to 20mA output
· Compact size (70?×122?×32?)
Specifications,
Gas detected
Carbon monoxide (CO)
Sensor type
Semiconductor
Detect range
0~250ppm
Accuracy
1) +/-5% FS for 0~100ppm
2) +/- 10% FS for 100~250ppm
Output signal
2~10Vdc (default) or 4~20mA (selectable by jumper)
Power supply
24Vac 50/60Hz, 24Vdc, +/- 20%
Sensor life
expectancy
3years
Coverage area
465 ? (recommended)
Response time
Within 5 minutes.
Warm-up time
Minimum 2 hours
Protection class
IP30
Wiring
3 or 4 wire compatible
Operating temperature
0 ~ 50 ?.
Operating Humidity
10 ~ 95%RH (no condensing)
Storage temperature
-20 ~ 60 C.
Storage Humidity 10 ~ 95%RH (no condensing)
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