GAS ANALYZER TPI 735A Combustible Gas Leak Detector Designed to quickly and accurately measure natural and propane gas leaks, as well as carbon monoxide concentrations. 735A: Measure Leak, LEL and CO. Designed to quickly and accurately measure natural and propane gas leaks, as well as carbon monoxide concentrations. Sensit Gold instruments are Approved UL913, For Class 1, Division 1, Groups C and D Hazardous locations when used with alkaline batteries. The Sensit Gold product line is designed to detect combustible gases, oxygen content. and toxic gases when so equipped with the available sensors. Each model of the Sensit Gold provides specific detection features based upon available sensor options. Applications: Gas Leak Survey/Investigations Confined Space Monitoring Gas Emergency Investigations Vessel Testing Features Internal Pump Water/Dust Filter Push Button Operation Field Calibration Date/Time Display Calibration Alert Operation Memory Calibration Memory Infrared Download Audible/Visual Alarms Backlit LCD Programmable Auto Shut Off