With strong selectivity, non-oxygen dependence, and a long lifespan, the Winsen MH-Z19Z19C NDIR CO2 Sensor infrared gas module is a common type of tiny sensor that uses non-dispersive infrared (NDIR) principle to detect the existence of CO2 in the air. It includes PWM and UART outputs in addition to built-in temperature adjustment. It is created through a close combination of excellent circuit design, precise optical circuit design, and established infrared absorbing gas detection technology.
Applications:
HVAC refrigeration, Air cleaner device, Indoor air quality monitoring, Smart home, Ventilation system
Specification:
Model No.
MH-Z19C
Detection Gas
CO2
Working voltage
5.0±0.1V DC
Average current
<40mA (@5V power supply)
Peak Current
125mA (@5V power supply)
Interface Level
3.3 V (Compatible with 5V)
Detection Range
400~5000ppm(optional)
Output Signal
UART (TTL level 3.3V), PWM
Preheat Time
1 min
Response Time
T90 < 120 s
Length (mm):
33
Width (mm)
19.7
Height (mm)
8.5
Weight (gm)
5
Shipping Weight
0.02 kg
Shipping Dimensions
3 × 2 × 1 cm
Features:
Chamber is Gold-plated
High sensitivity, low power consumption
Good stability
Temperature compensation, excellent linear output
Multiple output modes: UART, PWM
Long lifespan
Anti-water vapor interference, anti-poisoning
Package Includes:
1 x Winsen MH-Z19C NDIR CO2 Sensor for HVAC and IAQ
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