Response time (T90)	<25sec
Humidity range	15%-90%
Typical signal drift	<2% signal loss/months
Load resistance	10 Ohm
Bias voltage	no

Measuring range: 0 ~ 20ppm

Maximum load: 100ppm

Service life: 2 years in the air

Output signal: 500±90nA/ PPM

Resolution: 0.2 PPM

Temperature range: -20°C to 50°C

Response time (T90) : <25sec

Humidity range: 15%-90%

Typical signal drift: <2% signal loss/months

* Load resistance: 10 Ohm

Bias voltage: no

Storage life: 6 months storage life

Shelf life: 12 months

Cross sensitivity data

Disturbed gas concentration readings

CO 100 PPM & lt;1ppm

H2S 20 0

NO 100 PPM ND

100 PPM  NO2-125 PPM

The H2 100 PPM & lt;1ppm

Ethylene 100 PPM 0 PPM

Application:

 

One person holding SO2 detection instrument:

 

Industrial safety protection (personal safety, fire personnel safety), food processing (bleaching, corrosion prevention), environmental protection industry (waste gas treatment and testing), chemical industry, metallurgy, electric power (coal boiler exhaust gas)

 

2) Fixed SO2 detection and alarm instrument:

 

Sulfuric acid factory, pharmaceutical factory, liquid SO2 production, chemical industry, metallurgy, power (coal burning boiler exhaust), cement plant

 

Environmental protection industry, power industry (SF6 decomposition), public environmental monitoring

 

3) SO2 analysis instrument

 

Sulfuric acid manufacturing, flue gas analysis

 

4) Wall-mounted SO2 detector