Performance characteristics: The ZE08-CH2O formaldehyde sensor module offers high stability, strong anti-interference capability, temperature compensation, and excellent linear output. Application: This formaldehyde sensor module is widely used in portable instruments, air quality monitoring equipment, air purifiers, fresh air ventilation systems, air conditioners, and smart home devices. The ZE08-CH2O electrochemical formaldehyde sensor module is a compact, universal module that detects CH2O in the air using electrochemical principles, providing good selectivity and stability. It features a built-in temperature sensor for temperature compensation and supports both digital and analog voltage outputs for easy integration. The module is designed with advanced electrochemical detection technology and optimized circuitry. Sensor features: 1. High sensitivity, high resolution, low power consumption, and long service life. 2. Supports UART, analog voltage signal, and PWM waveform output options. 3. High stability, strong anti-interference performance, temperature compensation, and reliable linear output. Product model: ZE08-CH2O formaldehyde sensor module Detected gas: Formaldehyde Interference gases: Alcohol, carbon monoxide, and other gases Output data: 0.42V standard voltage signal UART output: 3V level Operating voltage: 3.7V9V (with reverse voltage protection) Warm-up time: 3 minutes Response time: 60 seconds Recovery time: 60 seconds Measurement range: 05 ppm Resolution: 0.01 ppm Operating temperature: 050C Operating humidity: 15% RH90% RH (non-condensing) Storage temperature: 050C Service life: 2 years (in ambient air) Color: Green Material: Metal Package includes: 1 x Sensor module 1 x Wiring harness Only the items listed are included.