MH-Z19 MH-Z19C MH-Z19B MH-Z19E IR Infrared CO2 Sensor Module Carbon Dioxide Gas Sensors NDIR CO2 Monitor 400-5000 0-5000ppm UART
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Product details
| Brand Name | EC Buying |
|---|---|
| Type | Gas Sensor |
| Material | Mixture |
MH-Z19E MH-Z19D, the specifications are the same, the model name is changed by the factory.
MH-Z19B carbon dioxide gas sensor (hereinafter referred to as the sensor) is a general-purpose smart small-scale sensor that uses non-dispersive infrared (NDIR) principle to detect the presence of CO2 in the air, with good selectivity and anaerobic Gas dependence, other characteristics; built-in temperature compensation; at the same time with serial output, analog output and PWM output, easy to use. The sensor is a high-performance sensor that combines mature infrared absorption gas detection technology with precise optical path design and sophisticated circuit design.
Parameters:
Product model number: MH-Z19B
Gas Detection: Carbon Dioxide
Supply voltage: 4.5~5.5V DC
Average current: <20mA (@5V power supply)
Peak current: 150 mA (@5V supply)
Interface level: 3.3V (5V compatible)
Measurement range: 400~5000ppm can be selected within the range
Warm-up time: 3min
Response time: T90<120s
Working temperature: 0～50°C
Operating Humidity: 0 to 95% RH (non-condensing)
Characteristics:
Gas chamber with gold plating, waterproof and corrosion resistant
High sensitivity, low power consumption
Excellent stability
Temperature compensation, excellent linear output
Provides serial (UART), analog (DAC), PWM waveform output methods
HVAC refrigeration equipment
Air quality monitoring equipment
Fresh air system
Air purification equipment
Smart home
SCHOOL
Vin: Power Positive (Vin)
GND: Negative Power Supply (GND)
Vo: Analog output
PWM: PWM
HD: HD (zero for school, low for more than 7 seconds)
Rx: UART(RXD) TTL Level Data Input
Tx: UART (TXD) TTL level data output
Pin 2: None
Pin 3: Negative Power Supply (GND)
Pin 4: Positive Power Supply (Vin)
Pin 5: UART(RXD) TTL Level Data Input
Pin 6: UART (TXD) TTL Level Data Output
Pin 7: None
MH-Z1911A infrared CO2 sensor is intelligent sensor with small size, using non-dispersive infrared (NDIR) principle to detect the concentration of CO2 in the air of buildings such as office, home, classroom, airport installed in air quality meters, air purifier and HVAC system. It has excellent selectivity carbon dioxide, built-in temperature compensation for high accuracy, lower power consumption and optional output ways of UART and PWM. It is developed by the tight integration of mature infrared absorbing gas detection technology, precision optical circuit design and superior circuit design.
Application
HVAC system
Air purifier
Air quality monitor
Consumer CO2 meter
Smart home device
Smart building automation
Indoor environmental control
Features
High sensitivity, low power consumption
Good stability and consistency
Temperature compensation, excellent linear output
Multiple output modes: UART, PWM
Specifications
Model No. | MH-Z1911A | Preheat time | 1 min |
Detection Gas | CO2 | Response Time | T90 <120s |
Working voltage | DC 5.0±0.1V | Working temperature | -10 ~ 50 ℃ |
Average current | <30mA (@5V power supply) | Working humidity | 0~95%RH(No condensation) |
Peak current | 125mA (@5V power supply) | Storage temperature | -20~60 ℃ |
Interface level | 3.3 V(Compatible with 5V) | Weight | 5 g |
Output signal | Serial Port (UART)(TTL level 3.3V) | Detection Range | 400~10000ppm(optional,see table2.) |
PWM |
| Category | DIY, Tools & Hardware › Tools & Equipment › Electrical & Power |
|---|---|
| Availability | In stock |
| Ships to | Canada |
| Buyer Guarantees | 15-Day No Update Refund & 60-Day No Delivery Refund |
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