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Item #:
93878922
MH-Z19 Infrared CO2 Sensor for CO2 Monitor Carbon Dioxide Sensor MH-Z19B CO2 Module UART PWM Serial Output 0-5000PPM
Item #:
93878922
ZMW 1974
Price Details
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*All items will import from US
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Only 10 items left in stock.
Order now and get it around Wednesday, August 05
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High performance sensor combining mature infrared absorption gas detection technology with precision light path design.
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
Wide Measurement Range
The MH-Z19B can accurately measure CO2 levels from 0 to 5000 PPM, providing comprehensive data for various applications, ensuring users receive precise readings in both indoor and outdoor environments.
Multiple Output Options
With UART and PWM serial output, the sensor offers versatile connectivity, making it compatible with different devices and easy to integrate into existing systems, enhancing user flexibility and installation simplicity.
High Accuracy
This sensor employs advanced infrared technology to ensure high precision in CO2 detection, effectively addressing user needs for reliable air quality monitoring and making it a preferred choice among competitors.
Product Details
| Alarm | Audible |
| Sensor Type | Non Dispersive Infrared |
| Operating Humidity | 95 percent |
| Upper Temperature Rating | 50 Degrees Celsius |
| Enclosure Material | carbon |
| Brand | Phoncoo |
| Model Number | MH Z19C02 |
| Manufacturer | Phoncoo |
| Mfr Part Number | phElecF1600 |
| Unit Count | 1.0 Count |
| Material | carbon |
| Country of Origin | This item will be imported from US |
| What is in the box | MH-Z19 Infrared CO2 Sensor... For more details, please check description/product details |
| Item Weight | 0.06 lbs (30 grams) |
Who Should Buy?
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Indoor Air Quality
Ideal for monitoring indoor air quality in homes, offices, and schools to ensure healthy CO2 levels.
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Research Applications
Beneficial for researchers needing accurate CO2 measurements for environmental studies or laboratory experiments.
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HVAC Systems
Integrates well with HVAC systems to optimize ventilation based on CO2 concentration levels.
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Non-Technical Users
Users lacking technical expertise may struggle to integrate or calibrate the sensor effectively.
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High-Precision Needs
Not suitable for applications requiring ultra-precise CO2 measurements beyond its specified accuracy range.
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Outdoor Usage
Designed for indoor use; outdoor conditions may affect its reliability and performance significantly.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What type of gases does this sensor detect?
Answer: The MH-Z19 C02 gas sensor specifically detects CO2 gases. -
Question:
What is the working voltage for this sensor?
Answer: The sensor operates within a voltage range of 3.6V to 5.5V DC. -
Question:
Is the sensor resistant to water vapor?
Answer: Yes, the MH-Z19 C02 gas sensor has anti-water vapor interference capabilities.
Phoncoo Temperature Probes & Sensors MH Z19C02 Editorial Review
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“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
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12 June 2026 · via Trustpilot
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ZMW 1974
Order now and get it around Wednesday, August 05
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QTY:
Only 10 items left in stock.
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Features & Benefits
- High sensitivity and resolution for accurate detection.
- Multiple output modes including UART and PWM.
- Built-in temperature compensation for stable readings.
- Anti-water vapor interference ensures reliable performance.
- Low power consumption and long lifespan.
- Ideal for HVAC, refrigeration, and indoor air quality monitoring.
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