| Product Model | MH-712B |
| Target Gas | CO2 |
| Working Voltage | 4.5 V ~ 5.5V DC |
| Average Current | < 100mA |
| Interface Level | 3.3V |
| Measurement Range | 0~5%VOL optional (view table 2) |
| Output Signal | UART |
| 0.4-2V DC | |
| Warm-up Time | < 2min |
| Response Time | T90 < 30s |
| Working Temp. | -40℃ ~ 70℃ |
| Working Humidity | 0 ~ 95%RH, Non-condensing |
| Dimension | Φ39×44mm |
| Weight | 280g |
| Life Span | >5 years |
| Protected Class | IP54 |
CO2 Sensor
MH-712B Infrared CO₂ Gas Sensor | High Sensitivity and resolution for Industrial & Environmental Monitoring
₹35,400.00 Price With Tax
MH-712B Infrared CO2 Gas Sensor for accurate real-time carbon dioxide detection with stable output, ideal for HVAC, industrial safety, and IAQ monitoring systems.
| Target: | CO2 |
| Model: | MH-712B |
| Detection range: | 0～5% Vol optional |
| Detection principle: | non-dispersive infrared (NDIR) principle |
| Characteristics: | 1. High Sensitivity and resolution, low power consumption, fast response；2. Output method: UART, analog voltage output signal, etc. 3. Temperature compensation, excellent linear output；4. Good stability；5. Long lifespan；6. Anti-poisons, anti-vapor interfe |
| Size: | Φ39×44 mm |
| Working conditions: | 4.5～5.5V DC |
15 Days Warranty
This product comes with a 15-day warranty starting from the date of delivery. The warranty covers manufacturing defects only. If a defect is confirmed, the item will be replaced.
Warranty will not apply if:
- The product has been misused, dropped, or damaged.
- It has been exposed to water, fire, chemicals, or static discharge.
- It has been tampered with, soldered, or altered in any way.
The MH-712B Infrared CO₂ Gas Sensor is a high-performance carbon dioxide detection module designed for precise and reliable CO₂ concentration measurement in industrial and commercial applications. Utilizing advanced Non-Dispersive Infrared (NDIR) technology, the MH-712B ensures stable output, high sensitivity, and long-term operational reliability.
This sensor is ideal for continuous monitoring environments where accurate CO₂ data is essential. It offers excellent repeatability, strong anti-interference capability, and minimal drift, making it suitable for integration into professional monitoring systems.
The MH-712B is widely used in industrial air quality monitoring, HVAC control systems, environmental monitoring stations, smart agriculture, greenhouses, laboratories, and process automation equipment. Its robust construction and dependable performance make it a preferred choice for OEM manufacturers and system integrators.
Key Features:
- Advanced NDIR infrared CO₂ detection technology
- High accuracy and stable long-term performance
- Wide measurement range (model dependent)
- Fast response time
- Strong resistance to environmental interference
- Analog and/or digital output options (as per model configuration)
- Designed for continuous monitoring applications
Applications:
- Industrial CO₂ monitoring systems
- HVAC and ventilation control
- Environmental monitoring stations
- Smart building automation
- Agricultural and greenhouse CO₂ monitoring
- Laboratory and research equipment
| Weight | 400 kg |
|---|---|
| Dimensions | 12 × 6 × 6 cm |
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