1 db MH-Z19 MH-Z19B infravörös CO2 érzékelő modul szén-dioxid gázérzékelő alkalmas CO2 monitorhoz 0-5000ppm MH Z19B NDIR
1PC MH-Z19 MH-Z19B Infrared CO2 Sensor Module Carbon Dioxide Gas Sensor Suitable for CO2 Monitor 0-5000ppm MH Z19B NDIR
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
Pins：
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
Package Included:
1 x MH-Z19 Infrared CO2 Sensor
1005003155047383 - modules