SMART SENSOR ST8990 Multi Gas Monitor Rechargeable 4 in 1 O₂ LEL CO H₂S Gas Detector Tester Sensor with Backlight Alarm Function LCD Display


Free Shipping

The product you want to order is in stock. All orders are delivered within 24 hours after they are placed.
The Multi-Gas Meter is a portable and handheld instrument that is capable to use continuously monitoring four different gas: O₂, LEL, CO, H₂S, when detected these gases, all the concentration will displayed on the LCD. The unit also provided user to configure high and low alarms, also STEL/TWA alarm function. The unit has audio and visual alarm once the alarm condition is exceeded.
It is capable of detecting 4 kinds of gas: carbon monoxide(CO), hydrogen sulfide(H₂S), oxygen(O₂) and combustible gas(LEL).
Premium material and selected top quality electronic components ensure excellent sensitivity and accurate measurement.
Pocket-size, light weight and ergonomics design make it convenient to carry and use.
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.
Backlight enables you to see the value clearly even in dark environment.
2 alarm methods: audio alarm and icons showed on the screen.
Various functions meet your demand: gas monitoring, peak value display, low alarm setting mode, high alarm/TWA setting mode, etc.
It is suitable to be used in petroleum, chemical industry, metallurgy, refining, etc.

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

-Gas monitor only, other accessories are not included.
-Due to manual measurement, there may be deviation.
-Due to photograph light or other reasons, the item in picture and material object may have slight difference, please in kind prevail.
-Please read the manual carefully before you use it.

Packing List:
1* Multi-Gas Meter
1* Manual
1* USB Cable

The product you want to order is in stock. All orders are delivered within 24 hours after they are placed.