IMR EX610 SMART Sensor Gas Detector MAIN FUNCTION AND FEATURES * SMART sensor module, easy for replacement and maintenance * Intrinsically safe design * Wide screen LCD * High / Low alarm adjustable * Calibration level adjustable for each calibration * Combustible gas channel with high-concentration protection function * Low-voltage alert * Internal memory storage of measurements (10,000 records) * Data upload to PC * Audible, visual and vibration alarm * Self-test power on * Self-diagnostic and self-correction function IMR EX610 SMART Sensor Gas Detector TECH SPECIFICATIONS * Target gas: combustible gas, toxic gas, Oxygen * Detecting method: Natural diffusion * Response Time: Semi-conductor, Catalytic, Thermal Conductivity t 90 < 30s Oxygen, Carbon Monoxide, Hydrogen Sulfide t 90 < 30s Other Sensors t 90 < 120s * Working Conditions: Combustible Gas: -40'C ~ 70'C Toxic Gas: -20'C ~ 50'C Working humidity â?¤ 95%RH non-condensating * Power Source: Lithium battery (DC3.7V 1800mAh) * Charging time: 4 ~ 6hours * Continuous working time: â?¥ 8 hours (for combustible gas and toxic gas) â?¥ 300 hours (for toxic gas under temperature of 20'C) * USB connectivity for data transfer * Explosion-proof grade: Exia II CT4 * Ingress protection: IP66 * Dimensions: 108.4mm x 61mm x 36mm * Weight: about 191g