Winsen ME4-CO Electrochemical Carbon Monoxide sensor


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SKU: 1278798
  1. Product: Carbon Monoxide sensor
  2. Brand: Winsen
  3. Model: ME4-CO
  4. Detection Gas: Carbon monoxide (CO)
  5. Detection Range: 0~1000ppm
  6. Max Range: 1500ppm


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15 Days Warranty
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Brand: Winsen
Category: Gas and Dust Sensor

Winsen Electronics, as a professional gas sensor manufacturer, produce carbon monoxide sensor, industrial CO sensor, using fuel cell / electrochemical working principle.
ME4-CO carbon monoxide gas sensor is constant potential electrolysis type. Oxidation-reduction reaction with carbon monoxide and oxygen take place respectively on the working electrode and on the counter electrode. The process releases electric charge and generates current. The current is in direct proportion to the concentration of carbon monoxide. So the concentration of the target gas could be got by measuring the value of current.


It is used for carbon monoxide detection in industrial occasions such as petroleum and petrochemical occasions, metallurgy, mine and environmental protection.


  1. Detection Gas: CO, carbon monoxide
  2. Detection Range: 0~1000ppm
  3. Application: industrial and environmental protection fields

Package Includes:

1 x Winsen ME4-CO Electrochemical Carbon Monoxide sensor

SKU: 1278798 Category:
Detection Gas

Carbon monoxide (CO)

Detection Range


Max Range



(0.080±0.02) µA/ppm



Response Time

(T90) ≤25S

Bias voltage


Load Resistance

(Recommended) 10Ω


<2﹪ Output

Output Linearity


Stability (/month)


Zero drift (-20℃~40℃)


Temperature range


Humidity range


Pressure range

Standard atmospheric pressure ±10﹪


2years(in air)

Shipping Weight 0.024 kg
Shipping Dimensions 6 × 4 × 4 cm
15 Days Warranty

This item is covered with a standard warranty of 15 days from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Robu customers from any kind of manufacturing defects.  Reimbursement or replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

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Country Of Origin: China

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