Performance characteristics: The ZE08-CH2O formaldehyde sensor module offers high stability, strong anti-interference capability, temperature compensation, and reliable 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, ensuring good selectivity and stability. It features a built-in temperature sensor for temperature compensation and provides both digital and analog voltage outputs for easy integration. The module is designed with advanced electrochemical detection technology and optimized circuit design. 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, excellent anti-interference performance, temperature compensation, and consistent linear output. Product model: ZE08-CH2O formaldehyde sensor module Detected gas: Formaldehyde Interference gases: Alcohol, carbon monoxide, and other gases Output data: 0.4–2V standard voltage signal UART output: 3V level Operating voltage: 3.7V–9V (with reverse voltage protection) Warm-up time: ≤3 minutes Response time: ≤60 seconds Recovery time: ≤60 seconds Detection range: 0–5 ppm Resolution: ≤0.01 ppm Operating temperature: 0–50°C Operating humidity: 15% RH–90% RH (non-condensing) Storage temperature: 0–50°C Service life: 2 years (in ambient air) Color: Green Material: Metal Package includes: 1 x Sensor module 1 x Wiring harness