TLILY 2X -Z19 -Z19E ir Infrared CO2 Sensor Module Dioxide Gas ndir for Monitor 400-5000 Ppm uart pwm (a)

General description The -Z19E carbon dioxide sensor is a high-performance, general-purpose intelligent sensor designed for accurate CO2 detection in the air using the non-dispersive infrared (NDIR) principle. It features excellent selectivity, long life, and low oxygen dependence, making it suitable for various applications such as HVAC equipment, air quality monitoring, fresh air systems, air purification, smart homes, and schools. Technical specifications Product model: -Z19E Detection gas: Dioxide (CO2) Supply voltage: DC (5.0 +/- 0.1)V Average current: less than 40mA (@5V power supply) Peak current: 125mA (@5V power supply) Interface level: 3.3V (compatible with 5V) Measuring range: 400~5000ppm Output signal: Serial port (UART) (TTL level 3.3V); PWM Warm-up time: 1min Response time: T90 less than 120s Working temperature: -10°C to 50°C Storage temperature: -20°C to 60°C Working humidity: 0~95%RH (non-condensing) Other information Type: A: Row Pin Color: as shown Material: PC+Metal