Features: Brand new and high quality. Mainly used for CO collection detection in family, factory, underground operation. Detection Zone:10 to 1000ppmm. Characteristic Gas:100ppmm co. Sensitive Resistance:2K to 20K in 100ppm co. Sensitivity:>=3%. Response Time:<=1s. Recovery Time:<=30s. Heating Resistance:31±3. Heating Current:<=180mA. Heating Voltage:5.0V±0.2V /1.5±0.1V. Heating Power: about 350mW. Conditions:Ambient Temperature:-20C~+50C. Humidity:<=95%RH. Oxygen Content:21% . Size: 3.5cm X 2.2cm - 1.4inch x 0.9inch. Click to download the manual
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