Model: CD4(G) Description: CD4(G) Multi-parameter Gas Detector MA: MFA160132 KA: KFA160028 ExibI: 116.4340 Patent No. ZL 2015 2 0976912.2 Introduction: 1. Detect the gas concentration of CO, NO2, SO2 and H2S. 2. Reliable performance, portable, high luminance LCD display. 3. Concentration, time, electric quantity can be displayed on screen. 4. Detector will cause luminescence and noise if gas concentration is over standard. 5. Applicable for STEL and TWA detection, atmosphere, environment, landfill, petrochemical, metallurgy, mine, seal space entrance, dangerous materials, industrial paint, leakage, IAQ detection. Technology parameters: 1. CO (10-6CO) Measuring range Accuracy 0~20 ± 2 20~100 ± 4 100~500 Measured value ± 5% 500~1000 Measured value ± 6% 2. NO2(10-6NO2) Measuring range Accuracy 0~20 ± 1 3. SO2(10-6SO2) Measuring range Accuracy 0~20 ± 1 4. H2S(10-6H2S) Measuring range Accuracy 0~50 ± 3 50~100 Truth value ± 10% 5. Response time: T