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MH-Z19B Intelligent NDIR Infrared CO2 Sensor Module
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Product Details
Brand Name: | winsen | Place of Origin: | China | Model Number: | MH-Z19B |
Usage: | Gas Sensor | Theory: | Other, NDIR Gas Sensors | Output: | Other |
Product Description
MH-Z19B NDIR Infrared CO2 Sensor Module Principle Introduction
MH-Z19B NDIR infrared gas module is a common type, small size sensor, using non-dispersive infrared (NDIR) principle to detect the existence of CO2 in the air, with good selectivity, non-oxygen dependent and long life. Built-in temperature compensation; and it has UART output and PWM output. It is developed by the tight integration of mature infrared absorbing gas detection technology, precision optical circuit design and superior circuit design.
MH-Z19B NDIR Infrared CO2 Sensor Module Applications
MH-Z19B NDIR infrared gas module is widely used in
* HVAC refrigeration
* Indoor air quality monitoring.
* Smart home appliances
* School
* Air cleaner
MH-Z19B NDIR Infrared CO2 Sensor Module Technical parameters
* Main Functions and Features
* High sensitivity, high resolution
* Low power consumption
* Output modes: UART and PWM wave
* Temperament compensation, excellent linear output
* Good stability
* Long lifespan
* Anti-water vapor interference
* No poisoning
MH-Z19B NDIR Infrared CO2 Sensor Module Technical Parameters
Table 1 Main Technical Parameters
Product Model | MH-Z19B |
Target Gas | CO2 |
Working voltage | 4.5~ 5.5 V DC |
Average current | <60mA(@5V) |
Peak current | 150mA (@5V) |
Interface level | 3.3 V (Compatible with 5V) |
Measuring range | refer to Table 2 |
Output signal | UART (TTL interface level 3.3V) |
PWM | |
DAC (default 0.4-2V) | |
Preheat time | 3 min |
Response Time | T90<120s |
Working temperature | 0 ~ 50°C |
Working humidity | 0~ 90% RH (No condensation) |
Dimension | 33mm x 20mm x 9mm (L x W x H) |
Weight | 5g |
Lifespan | > 5 years |
Table 2 Measuring Range and Accuracy
Target Gas | Formula | Measuring Range | Accuracy | Remark |
Carbon Dioxide (CO2) | CO2 | 0~2000 ppm | ± (50ppm+3% reading value) | Temperature compensation |
0~5000 ppm | Temperature compensation |
Contact Us
- Shenzhen Isweek Ltd.
- Contact nameMs Rita yu
- Phone86-755-83289036
- Address16 Floor, Building #3, Zhongke Mansion, Gaoxin South 1st Rd, Hi-Tech Park, Nanshan Shenzhen,Guangdong
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