ADKS-4 4-in-1 Gas DetectorGas Monitor H2S,O2,CO and LEL Multiple Indicator with Vibration, Audible, Visual 4 Gas Monitor Personal Rechargeable Gas SnifferThe ADKS-4 detector is a portable 4-in-1 gas detector for carbon monoxide (CO),oxygen (O2),hydrogen sulfide (H2S), and combustibles (EX),using imported sensors with lifetime of 2-5 years.Can be continuously detect the concentration of leaking gas.This multi-gas detector used advanced integrated circuit technology, embedded microcomputer control, high quality imported gas sensor, excellent sensitivity and excellent repeatability.It’s definitely the right choice to protect you and your family's health and property.·High Sensitive and Accurate Measurement:Handheld 4 gas detector with high quality imported gas sensor, excellent sensitivity and excellent repeatability, Comes FACTORY CALIBRATED. Open and use directly ·Wide Application Easy Carrying Around:This gas monitor detector with compact size and unique clip design, Convenient for user to carry around, can widely used in petroleum,matallurgy,agricultrue,chemical industry, refining,fire prevention,effectively predicting as to ensure the safety of the environment ·Dust-proof and Explosion-proof Detection error better than ≤±5% F.S. and response time: T<30s. Zero and span calibration options. Battery included -- 3.7V rechargeable lithium battery powered and included in the package, long capacity 2000mAh battery for long continuous working time.Compact size and unique clip design, it is convenient for user to carry around.Higher Quality Lower Error,Made of high strength ABS and Anti-slip grip rubber. ·Three Alarm Methods The portable gas detector with human voice, Adjustable audible and visual alarm alert when preset levels are reached. Can accurately measure the gas concentration with easy-to-read number shown on the display.

• Conventional Gas Detection:
• :
• :
• Detection Item: Measurement Range
• Resolución de medición: Error de medición
• Punto de alarma bajo: Punto de alarma alto
• Detección EX: 0~100% LIE
• 1% LIE: 5% FS (combustible), ±10% (monóxido de carbono), 2 mol/mol o ±10% (sulfuro de hidrógeno)
• 10% LIE: 20% LIE
• Detección de H2S: 0~100 ppm
• 1 ppm:
• 10 ppm: 20 ppm
• Detección de CO: 0~1000 ppm
• 1 ppm:
• 50 ppm: 200 ppm
• Detección de O2: 0~30%VOL
• 0,1% VOL:
• 19,5% VOL: 23,5% VOL