ME3-HF WINSEN | Alldatasheet
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Zhengzhou Winsen Electronics Technology Co., Ltd www.winsen-sensor.com Tel: 86-371-67169097 Fax: 86 -371-60932988 Email: sales@winsensor.com Leading gas sensing solutions supplier in China ME3-HF Electrochemical Sensor Manual （Model：ME3-HF） Zhengzhou Winsen Electronics Technology Co., Ltd
Zhengzhou Winsen Electronics Technology Co., Ltd www.winsen-sensor.com Tel: 86-371-67169097 Fax: 86 -371-60932988 Email: sales@winsensor.com Leading gas sensing solutions supplier in China ME3-HF Gas Sensor ME3-HF electrochemical sensor detect gas concentration by measuring current based on the electrochemical principle, which utilizes the electrochemical oxidation process of target gas on the working electrode inside the electrolytic cell, the current produced in e lectrochemical reaction of the target gas are in direct proportion with its concentration while following Faraday law, then concentration of the gas could be get by measuring value of current. 1.Features * Low consumption * High precision * High sensitivity * Wide linear range * Good anti-interference ability * Excellent repeatability and stability
2 Application
Widely used in industrial and environmental protection fields 3. Technical Parameter 4. External dimension Detection gas HF Measurement Range 0～10ppm Max detecting concentration 100ppm Sensitivity （0.4±0.15）µA/ppm Resolution ratio 0.1ppm Response time（T90） ≤90S Bias voltage 0mV Load resistance （recommend） 10Ω Repeatability ＜2﹪output value Output Linearity linear Storage temperature -20℃～50℃ Storage Humidity 15﹪～90﹪RH Pressure range（kPa） 90-110 Anticipated using life 2 years
Zhengzhou Winsen Electronics Technology Co., Ltd www.winsen-sensor.com Tel: 86-371-67169097 Fax: 86 -371-60932988 Email: sales@winsensor.com Leading gas sensing solutions supplier in China 5.Characterization Features of Sensitivity, response and output signal Data graph of concentration linearity features V0 Change upon Variable Temperature Sensitivity upon variable temperature 6.Basic circuit
Zhengzhou Winsen Electronics Technology Co., Ltd www.winsen-sensor.com Tel: 86-371-67169097 Fax: 86 -371-60932988 Email: sales@winsensor.com Leading gas sensing solutions supplier in China 7.Anti-Interference: ME3-HF sensor also responds to other gases besides target gas. Below are the response characteristics of interferential gases Gas Concentration ME3-HF CO 200ppm 0ppm SO2 10ppm ≤1ppm CL2 10ppm ≈5ppm HCL 10ppm ≈10ppm CHE 1000ppm 0ppm CH3COOH 100ppm 100ppm C2H5OH 1000ppm 0ppm 8.Application Notes: Sensor shall Avoid organic solvent, coatings, medicine, oil and high concentration gases； All ME Sensors shall not be encapsulated completely by resin materials, and shall not immerse in pure oxygen environment, otherwise, it will damage the function of sensor； All ME sensors shall not be applied in corrosive gas environment, or the sensor will be damaged； Please test the sensitivity of gas sensors in clean atmosphere； Sensors Shall be avoided to face the gas, which flow directly from front side； To avoid to bend and break of pins； Blowhole of the sensor should not be blocked and polluted, which will cause the sensitivity decrease; Excessive impact or vibration should be avoided；
Zhengzhou Winsen Electronics Technology Co., Ltd www.winsen-sensor.com Tel: 86-371-67169097 Fax: 86 -371-60932988 Email: sales@winsensor.com Leading gas sensing solutions supplier in China Do not use the sensor when the shell is damaged； It takes some time for the sensor to return to normal state After applied in high concentration gas； Do not take apart the sensor, otherwise electrolyte leakage can cause sensor damage; Working electrode and reference electrode of the sensor shall be in short circuit when stored.； To preheat over 48hs before using and soldering forbidden; Note: To keep continual product development, we reserve right to change design features without prior notice！ Zhengzhou Winsen Electronics Technology Co., Ltd Add.: NO.299 Jin Suo Road, National Hi-Tech Zone, Zhengzhou, 450001 China Tel.: 0086-371-67169097 Fax:0371-60932988 E-mail:sales@winsensor.com