Industrial Measurement Ranges
Optional range extends from ppm-level versions up to 10% vol CO2.
MH-410D Industrial NDIR CO2 Sensor
The MH-410D is a miniature industrial NDIR CO2 sensor with optional ranges up to 10% vol. It provides UART and 0.4–2 V analog output, fast T90 response below 30 seconds and an IP54 cylindrical package for protected industrial integration.
BrandWinsen
Sensing PrincipleNDIR
Target GasCO2
Product TypeIndustrial NDIR CO2 Sensor
CO2 Sensing for OEM Integration
Product Overview
A compact industrial carbon-dioxide sensor for process control, safety protection and agricultural equipment.
The MH-410D uses NDIR technology for selective CO2 detection independent of oxygen, with an internal temperature sensor for compensation.
Its cylindrical package, intrinsic-safety terminal parameters and safety-barrier power requirement are intended for industrial equipment designs that need a robust embedded CO2 sensing element.
Designed for Reliable Integration
Key Features
Fast Response
T90 response time is specified below 30 seconds.
Dual Output Options
Provides UART digital output and a 0.4–2 V analog voltage signal.
IP54 Protection
The official specification lists an IP54 defense grade.
Temperature Compensation
Internal temperature sensing supports compensated CO2 output.
Intrinsic-safety Parameters
Power and communication terminal parameters are provided for safety-barrier integration.
Typical Use Cases
Applications
Industrial Process Control
Safety Protection Equipment
HVAC and Refrigeration
Agricultural Monitoring
Animal Husbandry
Official Product Parameters
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | MH-410D |
| Detected Gas | Carbon dioxide (CO2) |
| Detection Principle | Non-dispersive infrared (NDIR) |
| Detection Range | 0–10% vol optional |
| Standard Range Options | 0–2000 ppm; 0–6000 ppm; 0–1% vol; 0–3% vol; 0–5% vol |
| Accuracy | ±(50 ppm + 5% of reading) |
| Working Voltage | 3.6–5 V DC; safety-barrier power required |
| Average Current | <85 mA |
| Interface Level | 3.0 V |
| Output Signal | UART; 0.4–2 V analog, safety-barrier power required |
| Warm-up Time | 3 min |
| Response Time | T90 <30 s |
| Operating Temperature | -20°C to +60°C |
| Operating Humidity | 0–95% RH, non-condensing |
| Dimensions | Ø20 × 22.6 mm |
| Weight | 35 g |
| Expected Lifespan | >5 years |
| Protection Grade | IP54 |
| Intrinsic-safety Terminal Parameters | Ui=7.5 V DC; Ii=265 mA; Pi=0.5 W; Ci=10 μF; Li=0 mH |
Specifications are based on the official Winsen product page. Confirm the latest datasheet, communication protocol, calibration requirements and mechanical drawing before final product design.
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