Multi Gas Detector CO H2S O2 LEL Tester Analyzer with Alarm record

Our portable multi gas detector with a large LCD. It can monitor CO, H2S, O2 and combustible gas simultaneously. The instrument with audio/visual and vibratory indicators, rechargeable battery, and simple use. It is widely used in the area where explosion-proof is required or toxic gas leaks, like underground channels or mining industry, so as to protect the workers #39; life and avoid damage on the relevant equipments. Gas types: EX, H2S, CO, o2 Range: (0-100)%LEL, (0-100)ppm, (0-1000)ppm, 0-30%vol Low alarm point: 20% LEL, 10pm, 50ppm, 19.5%vol Alarm point: 50% LEL, 35ppm, 150ppm, 23.5%vol Resolution: 1% LEL, 1 ppm, 0.1% vol Display error: less than equal ±5%FS Display time: T Less than 30s Indication mode: LCD liquid crystal display real-time data and system status, light, vibration and human language (English) prompts Working environment: temperature -20c°, -50c° Humidity: Less than 95%RH condensation Working voltage: DC3.7V size:14x7.3x3.2cm Material:ABS colour: yelllow