One hand operated tester for detecting the leaked gas indoors with its slim goose neck sensor, and alarm if gas leaks. It is widely used in environmental monitoring, petrochemical industry, sewage treatment, agricultural research, medical, etc.The combustible gas detector has high sensitivity and quick responseHigh sensitivity sensor able to detect slight gas leakage, quickly find the leakage source318mm long goose neck is flexible to be shaped into different anglesOnce detecting the leakage, it will indicate the leakage via alarming bulbApply in environmental monitoring, petrochemical industry, sewage treatment, agricultural research, medical, etc.Specifications:Material: ABSSensitivity: 50ppm methaneSensor Type: Low power semiconductorWarm-up Time: 60 seconds (25, 60%RH environment)Response Time: 2 secondsOperation Cycle: Continual operationAlarm Limit: Lel 10% of methaneLow Battery Indication: 30.2VOperating Environment: 0~50(32~120), 10~90%RH(non-condensing)Working Current: About 150mAPower Supply: 3 * 1.5V AAA battery (NOT included)Flexible Tube Length: 318mm / 12.52inItem Size: 132 * 68 * 27mm / 5.20 * 2.68 * 1.06in Item Weight: 166g / 5.88ozPackage included:1 x Tester1 x English User Manual