SMART SENSOR Gas Monitor 4 in 1 O2 LEL CO H2S Gas Detector Rechargeable Alarm Gas Analyzer with Backlight Alarm Function ST8990

Product Features

1. It is capable of detecting 4 kinds of gas: carbon monoxide(CO), hydrogen sulfide(H2S), oxygen(O2) and combustible gas(LEL).

2. Premium material and selected top quality electronic components ensure excellent sensitivity and accurate measurement.

3. Pocket-size, light weight and ergonomics design make it convenient to carry and use.

4. Built in 2500mAh lithium-ion battery after a full charge allows this alarm to work for 8 hours operation, and work about 6 hours with external gas sampling pump.

5. Backlight enables you to see the value clearly even in dark environment.

6. Two alarm methods: audio alarm and icons showed on the screen.

7. Various functions meet your demand: gas monitoring, peak value display, low alarm setting mode, high alarm/TWA setting mode, etc.

8. It is suitable to be used in petroleum, chemical industry, metallurgy, refining, etc.

Product Specifications

Brand: SMART SENSOR

Model: ST8990

Color: Yellow

Material: ABS

Carbon Monoxide Range: 0~999ppm

Hydrogen Sulfide Range: 0~500ppm

Oxygen Range: 0~30%VOL

Combustible Gas Range: 0~100%LEL

Operation Current: 220mA

Short Circuit Current: ≤3A

Operation Voltage: 3.7V

Maximum Open Circuit Voltage: ≤4.2A

Battery: Lithium battery

Battery Capacity: 2500mAh

Display Type: Segment type LCD

Operation Humidity: 15%~95%RH

Operation Temperature: 10℃~50℃

Storage Temperature: 0~40℃

Item Size: 11.45 * 6.44 * 4.45cm / 4.50 * 2.53 * 1.75in

Item Weight: 200g / 7oz

Package Size: 20 * 11 * 7cm / 7.87 * 4.33 * 2.75in

Package Weight: 475g / 16.8oz