Description Rechargeable battery with long working period Technical Specifications Sensor Type Electrochemical sensor Measuring range NO2, 0 PPM to 20 PPM Display Information Gas types, Concentration value, Concentration unit, Time, Battery status, Alarm status, etc. Display Large screen LCD Data Storage With data storage function with memory capacity of 1000 alarm records. Sampling mode Diffusion sampling (Available for connection with external pump) Operating Language Chinese or English operating menu can be changed freely. Alarm Mode Audible-visual-vibration alarm, sound ≥75 dB Power Supply 3.6 V, 1600 mAh rechargeable lithium battery, continuous working period can reach to 10 hours or above. Explosion-proof Grade Ex ib IIB T3 Protection Grade IP 65 Body Material ABS and PC Package ABS carrying case Working Environment Working Temperature -4 °F to 122 °F ( -20 ℃ to 50 ℃), Working Humidity 0% RH to 95% RH (non-condensing) Dimensions 4.33 in x 4.33 in x 1.18 in (110 mm x 60 mm x 30 mm) Weight 0.46 lb (210 g)
