MH-Z19E NDIR CO2 Module
|Detection range:||400~10000ppm optional|
|Detection principle:||non-dispersive infrared (NDIR) principle|
|Characteristics:||1. High sensitivity, low power consumption; 2, Good stability; 3. Temperature compensation, excellent linear output; 4. Multiple output modes: UART, PWM; 5.RESET compliant|
|Resolution and accuracy:||1ppm±(50ppm+5% reading value)|
MH-Z19E NDIR infrared gas module is a common type, small size sensor, pins type or terminal type, 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.
- HVAC refrigeration
- Air cleaner device
- Indoor air quality monitoring
- Smart home
- Ventilation system
- High sensitivity
- Low power consumption
- Good stability
- Temperature compensation, excellent linear output
- Multiple output modes: UART, PWM
- Long lifespan
- Anti-water vapor interference, resistance to poison
|Working Voltage||5.0±0.1V DC|
|Average Current||<40mA (@5V power supply)|
|Peak Current||125mA (@5V power supply)|
|Interface Level||3.3V (Compatible with 5V)|
|Detection range||400~10000ppm (optional, see table 2.)|
|Output Signal||Serial Port (UART) (TTL level 3.3V)|
|Preheat Time||1 min|
|Response Time||T90 <120s|
|Working Temperature||-10 ~ 50℃|
|Working Humidity||0 ~95% RH (No condensation)|
|Storage Temperature||-20~60 ℃|
|Life Span||>10 years|
* The description and specifications might be changed without notice. Please contact us for the latest information before placing orders.
Customized technical design and function, LOGO and package are available without extra charge (including molding fee) for mass volume.
The sensors don't have sleeping mode. It can be set in program if needed.
All Winsen products go through strict inspections and tests to make sure they are 100% qualified before shipping out.
The sensor has been fully tested (not calibrated) before leaving the factory. However, after transportation and storage, the environment conditions change, and the surface of the sensor absorbs moisture, mixed gas, pollution matters, etc. It is recommended that customers perform aging and calibration after sensors become stable according to the program and use occasions of the whole device.
15﹪-90﹪RH without condensation,greater or less than this range or long-term high temperature and high humidity will affect the life of the sensor.
Our sensors are certified with UL, CE, 3C, ROHS, anti-explosion, fire prevention, and coal mining safety according to different applications. And we provide assistance for new certification.
Many factors can cause the sensor to fail such as broken wires in transportation, poisoning, falling off of the sensitive material, damage to the heating wire (device), etc. Please find specific cause in each category with Winsen’s aftersales.
Winsen provides professional consultation and service before and after sales. We will recommend the best fitting sensor for your demand. If you have any problem, don’t hesitate to email us to firstname.lastname@example.org
Due to high volume of daily incoming emails and time zone difference, we may not be able to reply your emails immediately. But we will reply to your inquiry in 24 business hours.
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