Description Overview GAO Tek Leakage Alarm HCN Gas Detector is equipped with embedded microcomputer control, offering users a straightforward and reliable experience. Its user-friendly features include a colour LCD display with an English menu, ensuring ease of operation. Additionally, the device is fitted with sound, light, and vibration alarms that can be adjusted to suit individual preferences and safety requirements. One of its notable functions is historical record storage, allowing for the documentation of alarm information and concentration levels over time. Features Colour LCD display with an English menu for easy and intuitive operation vibration alarms with adjustable high and low alarm values Historical record storage function for tracking alarm information IP65 protection grade and Ex if IIB T3 Gb explosion-proof grade ensuring durability in harsh environments High-strength ABS engineering plastic shell for durability a comfortable grip Technical Specifications Measure range 0 ppm to 500 PPM Accuracy ≦±5% FS Battery type 3.7 V 1500 Mah Polymer Li-ion Battery Detecting Gas CO2/CH4/C4H10/COM Sensor type Electrochemistry Ex Level Ex if IIC T3 Gb Protection Level IP 65 Charging time 4 hour Working time 8 hour Sensor life 2 years to 3 years Humidity <93% RH no condensation Temperature -13 °F to 131 °F (-25 ℃ to 55 ℃) Product size 4.13 in x 2.28 in x 1.57 in (105 mm x 58 mm x 40 mm) Product weight 0.33 lb (150 g)
