Key benefits Reliable detection of flammable gases using multiple sensor technologies for broader coverage and fewer false negatives. Fast response and recovery for timely detection: typical response T90 of 20 seconds or less and recovery within 30 seconds. Portable, rugged instrument with long battery life and large internal storage for extended field use and data logging. Simple operation and clear readout: 2.5 inch definition color display plus 8button control for easy navigation in the field. Builtin pump with over 10 meter sampling distance for remote or hard to reach source checks. Core features Target gases: flammable gas detection. Detection principles supported: electrochemistry, catalytic combustion, infrared, thermal conductivity, and PID photoionization. Detection ranges: catalytic combustion 0 to 100 percent LEL; infrared ordinary 0 to 100 percent LEL; infrared ordinary 0 to 100 percent volume. Display and controls: 2.5 inch definition color screen, 8button operation. Alarms: audible and visual alarm, vibration alarm, visual alarm indicator, close alarm. Data handling: internal storage up to 100,000 records; selective data recovery or full recovery. Communication and charging: USB interface for charging and data communication. Builtin pump suction measurement with fast response and sampling distance greater than 10 meters. Automatic zeropoint tracking and multilevel calibration at the target point to improve linearity and measurement accuracy. Environmental tolerance: operating temperature minus 40 C to plus 70 C; humidity range 0 to 99 percent RH. Protection rating: IP65. Physical size and weight: 195 x 77 x 46 mm (L x W x H); weight 350 g. Power: DC 3.7 V; battery capacity 3.7 V DC, 6000 mAh. Performance specifications Detection accuracy: within plus or minus 1 percent of full scale. Linearity: within plus or minus 1 percent. Repeatability: within plus or minus 1 percent. Response time T90: 20 seconds or less. Recovery time: 30 seconds or less. Sensor service life estimates: electrochemical sensors approximately 2 years; infrared sensors approximately 5 to 10 years; catalytic combustion sensors approximately 2 years; thermal conductivity sensors approximately 5 years; PID photoion sensor approximately 10,000 hours. Durability and interference resistance Designed to resist dust and water ingress to IP65 level. Built to withstand field use with shock resistant construction and measures to reduce electrostatic and electromagnetic interference. Standard accessories User manual Certificate USB charger with data cable Back clip Humidity dust filter grade aluminum alloy instrument case Practical applications Industrial leak inspection: rapid screening of pipelines, valves, and storage tanks for flammable gas leaks using the builtin pump and remote sampling. Confined space entry checks: preentry and continuous monitoring of flammable gas concentrations in confined spaces before and during work. Maintenance and troubleshooting: realtime spot checks during equipment maintenance, calibration verification, and process troubleshooting. Why choose this instrument Multitechnology sensing for adaptable detection across different flammable gas scenarios. accuracy, stable repeatability, and good linearity supported by automatic zero tracking and multilevel calibration. Portable, userfriendly design with long battery life and substantial onboard data storage for routine inspections and incident documentation. Complete accessory kit including protective case and data cable for immediate deployment in the field.