Fixed Sulfur Dioxide (SO2) Gas Detector, 0 to 20/50/100 ppm

Favorable price SO2 sulfur dioxide gas detector with alarm light is a 24h continuously wall mounted type gas detector which can detect SO2 in different kinds of situations. Measuring range 0 to 20/50/100 ppm, powered by 24V DC, with 4-20mA, RS485, relay signal output.

Economical price fixed SO₂ sulfur dioxide gas detector uses high quality sensors, and advanced micro-process technology, with data display and high/low alarm, fast response, high precision and good stability. Explosion proof, suitable for different kinds of situations.

Specification

Model	GD300-SO2
Detection Principle	Electrochemistry
Gas	Sulfur Dioxide (SO2)
Range (Optional)	0 to 1ppm, 0 to 5ppm, 0 to 10ppm, 0 to 20ppm, 0 to 50ppm, 0 to 100ppm, 0 to 500ppm, 0 to 1000ppm
Resolution	0.001ppm(0-1/5ppm), 0.01ppm (0-10/20/50ppm), 0.1ppm (0-100ppm), 1ppm (0-500/1000ppm)
Calibration Kit	Gas pressure regulator (calibration gas cylinder NOT included)
Accuracy	≤±3% F.S.
Response Time	≤10s
Repeatability	≤±1%
Recovery Time	≤10s
Linearity Error	≤±1%
Zero Shift	≤±1% (F.S./year)
Signal Output (Optional)	4-20mA and RS485 Relay output: one group of relay output (1NO+1NC, 24V 100mA) for one alarm (default), or two groups of relay output (2NO+2NC, 24V 100mA) for high/low alarm (optional).
Alarms	Sound, light
Display	High light nixie tube display
Installation	Wall-mounted, piping type, flow-type (according to the detected environment)
Connection	Power connection type: G1/2 male thread explosion-proof flexible pipe Pipe-mounted type: M45*P2.0
Operating Time	24h
Explosion-proof Grade	Ⅱ 2G Ex ia Ⅱ CT4 Ga
Protection Grade	IP65
Certification	CE, ATEX (Standard: EN IEC 60079-0:2018, EN 60079-1:2014)
Working Voltage	12-36V DC
Case Material	Die-casting aluminum housing
Operating Temperature	-20℃~50℃
Operating Humidity	0~95%RH (non-condensing)
Dimension	206*179*90mm
Weight	≤1.6kg
Accessories	Power adapter: Input 100-240VAC 50/60Hz, Output 24VDC 1A (Optional USA plug, Europe plug or UK plug)

Note: To measure confined spaces such as pipelines, please contact us and inform the detailed conditions of use.