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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

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                  >>>Manual: Click here to open<<<


                  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: 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

                  Package included:

                  1 x MH-Z19B Infrared CO2 Sensor

                  1 x Pin

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