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MH-Z19 MH-Z19B Infrared CO2 Sensor Module Carbon Dioxide Gas Sensor for CO2 Monitor 0-5000ppm MH Z19B NDIR with Pin

MH-Z19 MH-Z19B Infrared CO2 Sensor Module Carbon Dioxide Gas Sensor for CO2 Monitor 0-5000ppm MH Z19B NDIR with Pin

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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: 90<120s
  • Working temperature: 0ï½?0°C
  • Operating Humidity: 0 to 95% RH (non-condensing)


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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


Package included:

1 x MH-Z19B Infrared CO2 Sensor

1 x Pin