Winsen ME3-C3H9N Electrochemical Sensor User Manual
- June 2, 2024
- Winsen
Table of Contents
Winsen ME3-C3H9N Electrochemical Sensor
Specifications
- Model: ME3-C3H9N
- Measurement Range: 0-100ppm
- Max Detecting Concentration: 200ppm
- Sensitivity: 1ppm
- Resolution Ratio: 1ppm
- Response Time (T90): 120 seconds
- Bias Voltage: 0mV
- Load Resistance Recommendation: 10Ω
- Repeatability: ±2% output value
- Stability: ±2% output value per month
- Output Linearity: Linear
- Zero Drift: -20 to 40 ppm
- Storage Temperature: -20°C to 50°C
- Storage Humidity: 15-90% RH
- Pressure Range: 90-110 kPa
- Anticipated Using Life: 2 years
Product Usage Instructions
Features
- Low consumption
- High precision
- High sensitivity
- Wide linear range
- Good anti-interference ability
- Excellent repeatability and stability
Application
- The ME3-C3H9N gas sensor is widely used in petroleum petrochemical, medical, and environmental protection fields.
Technical Parameter
- The ME3-C3H9N sensor responds to various gases besides the target gas. Refer to the response characteristics of interferential gases in the manual.
Application Notes
- Avoid organic solvents, coatings, medicine, oil, and high-concentration gases.
- Do not encapsulate the sensor completely with resin materials or immerse it in an oxygen-free environment.
- Avoid applying the sensor in corrosive gas environments.
- Test the sensitivity of gas sensors in a clean atmosphere.
- Avoid direct exposure of sensors to gas flowing directly from the front side.
- Avoid bending and breaking of pins.
- Ensure the blowhole of the sensor is not blocked or polluted to maintain sensitivity.
Frequently Asked Questions (FAQ)
Q: How can I calibrate the ME3-C3H9N gas sensor?
- A: Calibration instructions can be found in the user manual provided with the sensor. It typically involves exposing the sensor to known gas concentrations and adjusting as needed.
Q: What is the expected lifespan of the ME3-C3H9N gas sensor?
- A: The anticipated use life of the sensor is 2 years under normal operating conditions.
Q: Can the ME3-C3H9N sensor detect gases other than C3H9N?
- A: Yes, the sensor may respond to other gases as well. Refer to the manual for details on the response characteristics of interferential gases.
Q: How should I store the ME3-C3H9N gas sensor when not in use?
- A: Store the sensor in a dry place within the specified temperature and humidity range mentioned in the manual to ensure its longevity.
ME3-C3H9N gas sensor
ME3-C3H9N electrochemical sensor detects 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 the electrochemical reaction of the target gas is in direct proportion with the the the its concentration while following Faraday law, then the concentration of the gas could be got by measuring the value of current.
Features
- Low consumption
- High precision
- High sensitivity
- Wide linear range
- Good anti-interference ability
- Excellent repeatability and stability
Application
Widely used in petroleum and petrochemical, medical, and environmental protection fields
Technical Parameter
| Item | Parameter |
|---|---|
| Detection gas | C3H9N |
| Measurement Range | 0～100ppm |
| Max detecting concentration | 200ppm |
| Sensitivity | （0.10±0.05）µA/ppm |
| Resolution ratio | 1ppm |
| Response time（T90） | ＜120S |
| Bias voltage | 0mV |
| Load resistance（recommend） | 10Ω |
| Repeatability | ＜2﹪output value |
| Stability（／month） | ＜2﹪ |
| Output Linearity | linear |
| Zero drift（-20℃～40℃） | 4ppm |
External dimension
| Storage temperature | -20℃～50℃ |
|---|---|
| Storage Humidity | 15﹪～90﹪RH |
| Pressure range（kPa） | 90-110 |
| Anticipated using life | 2 years |
Characterization
Basic circuit
Anti-Interference
ME3-C3H9N sensor also responds to other gases besides the target gas. Below are the response characteristics of interferential gases
| Gas | Concentration | ME3-C3H9N |
|---|---|---|
| CH2CHCL | 100ppm | 63ppm |
| (C2H5)2O | 50ppm | 11ppm |
| CH3COOH | 50ppm | 7ppm |
| C6H6 | 50ppm | 12ppm |
| C7H8 | 50ppm | 19ppm |
| C8H10 | 50ppm | 25ppm |
| CHCL3 | 50ppm | 7ppm |
| CH2O | 10ppm | 80ppm |
| CO | 200ppm | 52ppm |
| C2H5OH | 300ppm | 155ppm |
| H2S | 50ppm | 55ppm |
| SO2 | 20ppm | 6ppm |
| CL2 | 10ppm | 0.5ppm |
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 an oxygen-free environment, otherwise, it will damage the function of the sensor；
- All ME sensors shall not be applied in a corrosive gas environment, or the sensor will be damaged；
- Please test the sensitivity of gas sensors in a clean atmosphere；
- Sensors Shall be avoided to face the gas, which flows directly from the front side；
- To avoid to bend and breaking pins；
- Blowhole of the sensor should not be blocked and polluted, which will cause the sensitivity to decrease;
- Excessive impact or vibration should be avoided；
- Do not use the sensor when the shell is damaged；
- It takes some time for the sensor to return to its normal state After being applied to high-concentration gas；
- Do not take apart the sensor, otherwise, electrolyte leakage can cause sensor damage;
- The working electrode and the reference electrode of the sensor shall be in a short circuit when stored.；
- To preheat over 48hs before using and soldering forbidden;
- Note: To keep continual product development, we reserve the 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
- www.winsensor.com
Documents / Resources
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Winsen ME3-C3H9N Electrochemical
Sensor
[pdf] User Manual
ME3-C3H9N Electrochemical Sensor, ME3-C3H9N, Electrochemical Sensor, Sensor
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