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| Categories | Gas Sensor | 
|---|---|
| Brand Name: | YJJ | 
| Model Number: | ME4-HF | 
| Place of Origin: | CHINA | 
| MOQ: | 1 | 
| Payment Terms: | L/C, D/A, D/P, T/T, Western Union, MoneyGram | 
| Delivery Time: | 3 days | 
| Packaging Details: | Disk mounting | 
| Measuring range: | 0-10ppm | 
| Maximum measurement limit: | 100ppm | 
| Sensitivity: | (0.40±0.15) µA/ppm | 
| Resolution: | 0.1ppm | 
| Response time (T90): | < 90s | 
| Company Info. | 
| ShenzhenYijiajie Electronic Co., Ltd. | 
| Verified Supplier | 
| View Contact Details | 
| Product List | 
Product Description:
ME4-HF Electrochemical Hydrogen Fluoride Sensor Is Used For Hydrogen Fluoride Detection In Industrial And Environmental Fields
Features:
ME4 - HF HF type sensor is the constant potential electrolysis sensor, hydrogen fluoride gas inside the sensor in a series of REDOX reaction and release charge current formation, the size of the current is proportional to the concentration of hydrogen fluoride and follow the Faraday's law, through the test current to determine the size of the hydrogen fluoride concentration.
Item parameter
Detection gas hydrogen fluoride (HF)
Measuring range 0 ~ 10ppm
The maximum measurement limit is 100ppm
Sensitivity (0.40±0.15) µA/ppm
Resolution 0.1ppm
Response time (T90) ≤90S
Bias voltage 0mV
Load resistance (recommended) 10Ω
Repeatability < 2% output value
Stability (/ month) < 2%
Zero drift (-20℃ ~ 40℃) ≤0.2ppm
Temperature range -20℃ ~ 50℃
Humidity Range 15% to 90%RH Non-condensing
Pressure range standard atmospheric pressure ±10%
Service life 2 years (in the air)
Specifications:
| Response time (T90) | ≤90S | 
| Load resistance (recommended) | 10Ω | 
| Repeatability | < 2% output value | 
| Zero drift | (-20℃ ~ +40℃) 0.2ppm | 

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