Portable Multi Gas Detector Model ATS 103M Portable and multi-gas detector simultaneously monitors and displays up to f ive gases. The compact and field tough ATS-103M features a non-intrusive integrated sampling pump designed for performance, reliability and ease-of use. It's optional Data Logging and computer interface features can be used for further detailed analysis. DESCRIPTION SPECIAL FEATURES- : Automatic Operation : Self Diagnostic Check : Proven Sensor Technology Continuous, : Stable Alphanumeric Display : Customized Visual & Sound Alarms : Suitable for use in hazardous area Class-1, Div.-1, Groups A, B, C & D Zone ‘0’ of Gas Group IIC Specifications -: Gas Detected - 1- O2 -0-25% V/V (Sesor EC) 2-CO- 0-2000 PPM ( Sensor EC) 3-H2S- 0-500 PPM ( Sensor EC) 4- LEL -0-100% LEL 9 ensor Catalytics)