4 in 1 Colorful Portable Gas Detector
H2S/O2/CO/ Ex
Diffusion Type | With hose and probe | Multi Gas Clip

 
Clearance measurement was never this easy and convenient!
ZLT850 4 in 1 portable multi gas detector monitor CO, H2S, O2 and combustible gas simultaneously.
The instrument with large Colorful LCD Display, audio/visual and vibratory indicators, rechargeable battery, and simple use.
It is widely used in the area where explosion-proof is required or toxic gas leaks, like underground channels or mining industry, so as to protect the workers' life and avoid damage on the relevant equipments.
 

• COLOR DISPLAY: Adopt high resolution TFT display, color display speed is faster, contrast and brightness are also greatly improved.

• POLYMER BATTERY: 2500mAh, full charge about 8-12 hours, full charge can be used for about 10-12 hours.

• HIGHLY SENSITIVE SENSORS: Effectively predict dangerous gases, ensure the safety of personnel and property.

• ALARM STATUS: When the concentration of dangerous gas is higher than the minimum alarm value, the detector will immediately sound to remind "Please pay attention to the gas concentration exceeds the limit ", and the alarm will continue until the dangerous gas concentration returns to the lowest value, the alarm will disappear.

 
Gas Detection Range:

Flammable explosive gas (EX/LEL/CH4) : 0-100LEL

O2:0-30% (volume)

H2S: 0-100 PPM

CO: 0-1000 PPM

Double sensors:

O2/H2S/CO: Plug-in electrochemical sensor

Flammable gas (LEL) : Plug-in catalytic combustion type sensor
 
Product Parameters :

• Comes Factory Calibrated
• Response Time: <30s
• Working Environment: -20 ° C ～ 50 ° C, <95% RH (no dew)
• Power Source: DC4.2V Li-on battery, 2500mAh
• Protection level: Ip65
• Sensor life: 2 years
• Protection Grade: IP65
• Weight: 8.12OZ (with battery)
• Dimensions: 5.5" ×2.9" ×1.3"(L × W × H)
• Weight: 7.6OZ
• Charging time: 4h-6h Standby time, Continuous use for more than 12-15 hours at full charge
• Indication mode: Color display real-time data and system status, lighting, vibration and live voice recording (Chinese and English) tips

 
When running for the first time, you need to enter the 4-digit password "1111".
At this time, enter the menu selection, you can click the button to set various gas concentration warning values.
When the gas concentration reaches the alarm value, the warning light will work and sound to remind you.
 
Charging Instruction:
When the USB charging cable is plugged in when the power is off, the current battery percentage will be displayed on the screen
when the battery is less than 10%, a low battery page will pop up every 60 seconds, and there will be a voice prompt of "low battery, please charge"
When the battery is less than 5%, the detector will automatically shut down to prevent the loss of data inside the detector