Description Overview GAOTek analyzes nitric oxide gas alarm detectors in air in real time. When the gas concentration exceeds a preset alarm level, it will make an audible, visual, vibration alarm. It can keep 3000 alarm records, can set up alarm points, calibration and read, zero set. with an optional function: transmit data to the computer; with PC software can be further analysis Features • Adjustable alarm point and zero-set • LCD Display with English menu • CE/ATEX Certs, explosion-proof • Audible, visual, vibration alarm • Can keep 3000 alarm record • Rechargeable lithium battery Technical Specifications Response time ≤ 30 s Display LCD display in English Alarm Visual, Audible, Vibration, voice alarm more than 90 dB, light alarm Red LED Detect gas NO Measure range NO: 0 ppm to 250 ppm Humidity 15% RH to 95% RH (No condensation) Power supply The lithium battery power supply (1500 mAh) Battery working time For EX about 20 h continue working, for others 1 month, depend on the environment in the site Charging time 3 hrs. to 5 hrs. Charging voltage DC 5 V Packing Aluminum box manual USB charging detector Temperature range 4 °F to 122 °F (- 20 °C to 50 °C) Size 4.6 in x 2.4 in x 1.6 in (108 mm x 61 mm x 40 mm) Weight 0.29 lb. (135 g)
