MH-Z19B MH-Z19E Infrared CO2 Sensor Monitor Carbon Dioxide Gas Sensor Module

Description: 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, long life and 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: 0~10000ppm 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 long lasting Water vapor interference, not poisoning Application: 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 1: Analog Output Vo 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 Product Details: The MH-Z19E carbon dioxide gas sensor (hereinafter referred to as the sensor) is a general-purpose intelligent small sensor. It has two products: pin and terminal. It uses the principle of non-dispersive infrared (NDIR) to detect CO2 in the air and has good selectivity. , No oxygen dependence, long life, etc.; built-in temperature compensation; also has serial port output, PWM output, easy to use. The sensor is a high-performance sensor made by closely combining mature infrared absorption gas detection technology with precise optical circuit design and sophisticated circuit design. Sensor characteristics: High sensitivity, low power consumption Excellent stability Temperature compensation, excellent linear output Provide serial port (UART), PWM waveform and other output methods long lasting Anti-water vapor interference, no poisoning Application: HVAC equipment Air quality monitoring equipment Fresh air system Air purification equipment Smart home school Parameters: Product model: MH-Z19E Detection gas: carbon dioxide Power supply voltage: DC(5.0±0.1)V Average current: <40mA (@5V power supply) Peak current: 125 mA (@5V power supply) Interface level: 3.3V (compatible with 5V) Measuring range: 400~5000ppm optional Output signal: serial port (UART) (TTL level 3.3V); PWM Warm-up time: 1min Response time: T90 <120s Working temperature: -10℃～50℃ Storage temperature: -20℃～60℃ Working humidity: 0～95%RH (non-condensing)

Price: 15.28 USD

Location: shenzhen

End Time: 2025-01-21T03:31:24.000Z

Shipping Cost: 2.99 USD