Description Features Aluminium alloy housing Built in high performance pump, flow stability, can open may be shut Navigation keys, user friendly interface, easy to operate Switch in both Chinese and English language;can store 100000 groups of data; intelligent algorithm Multi point calibration and temperature compensation, more accurate measurement results 2600 milliampere large capacity lithium battery, continuous work time more than 20 hours VOL %, % LEL, mg or m3, PPM, PPH, and different kinds of parts per unit can choose Acousto optic alarm, timely alarm when the concentration exceeds the standard is detected Technical Specifications Detecting gas Argon Detection principle Catalytic combustion, electrochemistry, infrared absorption spectrum principle Detection method Pump suction Accuracy ± 3 % FS Response time T 90 ≤ 30 sec Alarm mode Sound and light alarm, double colour LED lamp, sound or 75 db @ 25 cm Working temperature -4 °F to 122 °F (-20 ℃ to 50 ℃) Humidity range 10 % RH to 95 % RH, No condensation Pressure Range 86 kPa 106 kPa Power Supply Lithium ion batteries, import core nominal voltage 3.7 VDC, 2500 mAh Charging time ≤ 6 hours, total charged time 12 hours Continuous working time ≥ 12 hours Dimension 7.89 in x 2.55 in x 1.4 in (200.5 mm x 64.8 mm x 35.5 mm) Weight 1.01 lb or 0.00046 ton (0.46 kg)
