SMART SENSOR Handheld Digital USB Rechargeable Automotive O2 Sensor Tester LCD Display Adjustable Auto Off Meter for Car Tunnel Laboratory and Industry

intelligent precise oxygen detector use electri-chemical type to measure gas, can quickly response to oxygen gas, sound and light alarm level can be set manually. Great tool for home, agriculture, chemmical industry, general industries. Features: PROFESSIONAL OXYGEN DETECTOR -- Portable oxygen(O2) gas detector, measure 0-25% oxygen content. Adopt electri-chemical type to measure, this oxygen detector sensor with stable performance and high accuracy. ADJUSTABLE ALARM -- Sound and light dual-alarm when O2 gas concentration reaches level of alarm. And alarm value can be customized according to users demands. BACKLIT LCD DISPLAY -- gas meter is compact and lightweight, features a large LCD display with backlight, you can get result from screen at a glance, even in dark,easy to carry on and convenient for reading. USB RECHARGEABLE -- Come with a 3.7V rechargeable battery, charging through USB interface, which can be powered by adapter, bank, etc.. WIDELY APPLICABLE -- Oxygen detectorCs can be used in metallurgy, plant, chemical, mine, tunnel, underground pipelines and other places, effective of hypoxia and oxygen poisoning. Speicification: Color: Black + Blue Material: ABS Detecting Gas: Oxygen Voltage: AC100-240V, 50/60Hz Output: DC5V, 1000±50mA Measuring : 0~25% Resolution: 0.1% Basic Error: ≤ ±5% full scale Temperature: -10~50℃ Resolution: 0.1℃ Working Humidity: 1%RH~99%RH Response Time: ≤15S Recovery Time: ≤15S Alarm Mode: Acoustic and Light Auto Off: Mannual Selectable (10 mins no any key press down) Supply: 1 * 3.7V, 1000mAh rechargeable li-ion battery Screen Size: 4.4 * 5.3cm / 1.73 * 2.08in Item Size: 180*65*30mm / 7.09*2.56*1.18in Item Weight: 182g/6.42in Packing List: 1 * Smart Oxygen Detector 1 * USB Cable 1 * User Manual 1 * Carry Bag

PROFESSIONAL OXYGEN DETECTOR -- Portable oxygen(O2) gas detector, measure 0-25% oxygen content. Adopt electri-chemical type to measure, this oxygen detector sensor with stable performance and high accuracy.;ADJUSTABLE ALARM -- Sound and light dual-alarm when O2 gas concentration reaches level of alarm. And alarm value can be customized according to users demands.;BACKLIT LCD DISPLAY -- gas meter is compact and lightweight, features a large LCD display with backlight, you can get result from screen at a glance, even in dark,easy to carry on and convenient for reading.;USB RECHARGEABLE -- Come with a 3.7V rechargeable battery, charging through USB interface, which can be powered by adapter, bank, etc..;WIDELY APPLICABLE -- Oxygen detectorCs can be used in metallurgy, plant, chemical, mine, tunnel, underground pipelines and other places, effective of hypoxia and oxygen poisoning.