Winsen ME2-CO Electrochemical Carbon Monoxide Sensor Instruction Manual
- June 14, 2024
- Winsen
Table of Contents
Winsen ME2-CO Electrochemical Carbon Monoxide Sensor
Statement
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LTD. Without the written permission, any part of this manual shall not be
copied, translated, stored in database or retrieval system, also can’t spread
through electronic, copying, record ways.
Thanks for purchasing our product. In order to let customers use it better and
reduce the faults caused by misuse, please read the manual carefully and
operate it correctly in accordance with the instructions.
If users disobey the terms or remove, disassemble, change the components
inside of the sensor, we shall not be responsible for the loss.
The specific such as color, appearance, sizes &etc, please in kind prevail.
We are devoting ourselves to products development and technical innovation, so
we reserve the right to improve the products without notice. Please confirm it
is the valid version before using this manual.
At the same time, users’ comments on optimized using way are welcome.
Please keep the manual properly, in order to get help if you have questions
during the usage in the future.
ME2-CO Electrochemical Carbon Monoxide Sensor
ME2-CO 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 electrochemical 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.
Features
- Low consumption
- High precision
- High sensitivity
- Wide linear range
- Good anti-interference ability
- Excellent repeatability and stability
Application
Widely used in commercial especially residential occasions to detect CO gas concentration.
Technical Parameter
| Item | Parameter |
|---|---|
| Detection gas | CO |
| Measurement Range | 0～1000 ppm |
| Max detecting concentration | 2000 ppm |
| Sensitivity | >0.015 µA/ppm |
| Resolution ratio | 0.5 ppm |
| Response time（T90） | <50 s |
| Load resistance(recommended) | (120/200/300) Ω |
| Repeatability | ＜3﹪output value |
| Stability（/year） | ＜10﹪ |
| Output Linearity | linear |
| Zero drift（-20℃～40℃） | ≤10 ppm |
| Storage temperature | -20℃～50℃ |
| Storage Humidity | 15﹪～90﹪RH |
| Pressure range | normal atmosphere ±10% |
| Anticipated using life | 7 years |
External Dimension
Bottom View
Unit: mm
Characterization
-
Sensitivity, response and recovery time
-
Data graph of linearity
-
Output under different temp.
-
Zero output under different temp.
-
Basic circuit
Anti-Interference
ME2-CO sensor also responds to other gases besides CO. Below are the response characteristics of interferential gases.
| Gas | Concentration | ME2-CO-Ф20 |
|---|---|---|
| H2S | 100 ppm | 0 ppm |
| SO2 | 20 ppm | 0 ppm |
| H2 | 200 ppm | 40 ppm |
| C2H4 | 100 ppm | 80 ppm |
| NO | 35 ppm | 6 ppm |
| NO2 | 5 ppm | 0 ppm |
| C2H5OH | 1000 ppm | 0 ppm |
Application Notes
- Tin soldering is prohibited.
- Before using, power on to aging for more than 48 hours is necessary.
- Pins can’t be broke off or bent.
- Don’t disassemble the sensor to avoid the damage caused by electrolyte leakage.
- Avoid contacting organic solvent (including Silicone rubber and other adhesive), coatings, medicine, oil and high concentration gases.
- All the electrochemical sensors shall not be encapsulated completely by resin materials, and shall not immerse in non-oxygen environment, otherwise, it will damage the function of sensor
- All electrochemical sensors shall not be applied in corrosive gas environment, or the sensor will be damaged
- Zero calibration should be finished in clean air.
- During test and usage, sensors should avoid the gas inflow vertically
- The side for inflow can’t be choked and polluted.
- The laminating film above the sensor surface can’t be uncovered and damage.
- Excessive impact or vibration should be avoided
- It takes some time for the sensor to return to normal state after it is applied in high concentration gas
- Working electrode and reference electrode of the sensor shall be in short circuit when stored
- Prohibit to use the hot cement or sealant of which the curing temperature is higher than 80℃ to make the capsulation for the sensor.
- Prohibit storage and usage for long time in alkaline gases with high concentration.
- Do not use the sensor when the shell is damaged
Note : To keep continual product development, we reserve right to change design features without prior notice！
Customer Support
Zhengzhou Winsen Electronics Technology Co., Ltd
Add: No.299, Jinsuo Road, National Hi-Tech Zone,
Zhengzhou 450001 China
Tel: +86-371-67169097/67169670
Fax: +86-371-60932988
E-mail: sales@winsensor.com
Website: www.winsen-sensor.com
References
- Winsen Gas Sensor_CO2 Sensor_Air Quality Sensor_Dust Sensor_CO Sensor-Winsen Electronics
- Winsen Gas Sensor_CO2 Sensor_Air Quality Sensor_Dust Sensor_CO Sensor-Winsen Electronics
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