Parameters	Technical indicators
NO2 measuring range	0-20ppm
Measurement method	electrochemical sensor
Measurement accuracy	±3% F.s of reading
Response time (T90, seconds)	less than 15 seconds
Warranty period	The host is guaranteed for 2 years, and the gas probe is guaranteed for 1 year
Baud rate	2400/4800/9600
Communication port	RS485
Power supply	12V-24V DC
Power consumption	≤0.15W (@12V DC, 25℃)
Operating temperature	-30 to +50℃
Working humidity environment	0-95%RH (relative humidity), no condensation
Working pressure range	standard atmospheric pressure ±10%
Dimensions	110×85×44mm3