Seven-Year Life
Official specification lists an anticipated service life of seven years.
ME2-CO Φ20×16.4 Long-Life Carbon Monoxide Sensor
The ME2-CO Φ20×16.4 is a long-life electrochemical carbon monoxide sensor for commercial and especially residential CO alarms. It provides 0.5 ppm resolution, a 0–1000 ppm range and an anticipated life of seven years.
BrandWinsen
Sensing PrincipleElectrochemical
Target GasCO
Product TypeResidential Electrochemical CO Sensor
Gas Sensing for OEM Integration
Product Overview
A compact Ø20 mm CO sensor combining residential-grade sensitivity with a seven-year design life.
The fuel-cell sensing reaction produces a current proportional to carbon monoxide concentration.
Low power consumption, stable repeatability and a UL certification note make the sensor suitable for long-life residential alarm development.
Designed for Reliable Integration
Key Features
0.5 ppm Resolution
Supports fine concentration measurement across the 0–1000 ppm range.
UL Certification Information
The official product page lists UL in the product notes.
Stable Repeatability
Designed for consistent response across repeated exposure and recovery cycles.
Anti-interference Design
Provides selectivity for CO detection when used according to the datasheet and application guidance.
OEM Integration
Available for integration into fixed, portable, residential and industrial gas-detection products.
Typical Use Cases
Applications
Residential CO Alarms
Commercial CO Detection
Smart Home Safety
Long-Life Fixed Detectors
Official Product Parameters
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | ME2-CO, Φ20 × 16.4 version |
| Detected Gas | Carbon monoxide (CO) |
| Measurement Range | 0–1000 ppm |
| Maximum Detecting Concentration | 2000 ppm |
| Sensitivity | >0.015 µA/ppm |
| Resolution | 0.5 ppm |
| Response Time (T90) | <50 s |
| Recommended Load Resistance | 120 Ω / 200 Ω / 300 Ω |
| Repeatability | <3% of output value |
| Stability | <10% per year |
| Output Linearity | Linear |
| Zero Drift (-20°C to 40°C) | ≤10 ppm |
| Storage Temperature | -20°C to 50°C |
| Storage Humidity | 15–90% RH |
| Pressure Range | Normal atmosphere ±10% |
| Dimensions | Ø20 × 16.4 mm |
| Expected Life | 7 years |
| Certification Information | UL |
Specifications are based on the official Winsen product page or product manual. Confirm the latest datasheet, calibration requirements, communication protocol and mechanical drawing before final product design.
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