Description Overview GAOTek Hydrogen Gas Leakage Detector detect H2 gas concentration in the air by pump suction. It is with a hose which can also be used in confined space or where operator is not easy to enter, like mine, sewer, etc. It will make audible, visual, vibration alarm when gas concentration exceed a preset alarm point. Features LCD display with real-time calendar, clock and value Built-in Micro pump and imported UK sensor Three alarms sound, lights and vibration Two alarm points and zero-set, can be set by user Save 3000 alarm records, view by button or computer USB interface, can connect with computer (optional) 1800 mah large capacity rechargeable lithium battery Small size, safety save electricity and simple operation English user manual, panel and display are available 100% strictly inspection before package and fast delivery Technical Specifications Measure range 0 ppm to 2000 ppm, 0 ppm to 1000 ppm, resolution 1ppm Display LCD display in English, show clock in real time Alarm voice alarm light alarm vibration Storage save 3000 alarm records Power supply the lithium battery (1800 mAh) rechargeable Charging time 3 hours to 5 hours Charging voltage DC 5 V Running time 15 hours for lel gas, toxic gas 7 days (except for alarm) Optional Software with USB (connect with computer) Features Zero setting, alarm point set, can be calibrated, restore factory settings Standard package Aluminum case, detector, USB Charger, aspirating soft pipe, Instruction Temperature range -4 °F to 122 °F (- 20 ℃ to 50 ℃) Humidity 15% RH to 90% RH (No condensation) Size 7.08 in x 2.79 in x 2.00 in (180 mm x 71 mm x 51 mm) weight 0.50 lb (230 g)
