Model: CJL100/1000 Description: CJL100/1000 CH4 and H2S Gas Detector MA: MFA150187 KA: KFA150019 ExibI: 320150857 Patent No. ZL 2015 2 0975096.3 Introduction: 1. Detect the gas concentration of CH4, H2S. It will cause alarm when concentration is over standard. 2. Alarm is luminescence and voice. Technology parameters: 1. CH4 (%LEL) Measuring range Intrinsic error 0~20 ± 2 20~60 Truth value ± 10% 60~100 ± 6 2. H2S (ppm) Measuring range Intrinsic error 0~49 ± 3 50~100 Truth value ± 10% >100~1000 Truth value ± 15% 3. Response time: Tâ?¤30s 4. Battery: Rechargeable lithium battery. 5. Working time: Tâ?¥ 12 hours 6. Recharge time: Tâ?¤ 4 hours 7. Data record: data storage, 3000 sets data. 8. Levels of protection: IP65 9. Alarm type: noise, LED light, vibration.