YJJ ZE08-CH2O Electrochemical Formaldehyde Sensor Module 0-5ppm for Smart Home Appliances

Product Description:

YJJ ZE08-CH2O Electrochemical Formaldehyde Sensor Module 0-5ppm for Smart Home Appliances

Features:

I. Basic Introduction

Model: ZE08-CH₂O

Detection Object: Formaldehyde (HCHO)

Principle: Three-electrode electrochemistry, built-in signal conditioning + temperature compensation circuit, factory-calibrated, directly outputs digital/analog signals, no need for external operational amplifier; compact in size, suitable for smart home and air equipment, Zhengzhou Weisheng Electric... .

II. Core Electrical and Detection Parameters

1. Gas Performance Indicators

Measurement Range: 0 - 5 ppm

Resolution: ≤ 0.01 ppm

Typical Accuracy: ±5% FS

T90 Response Time: ≤ 60 s

Recovery Time: ≤ 60 s

Preheating Stability Time: ≤ 3 min

Linearity: Full-scale linear output

Interference Gases: Alcohol, CO, and organic volatile substances may cause slight cross-interference at high concentrations. High-concentration solvents will shorten the lifespan. Zhengzhou Weisheng Electric...

2. Power Supply and Signal Output

Power Supply Voltage: 3.7 - 5.5 V DC (wide voltage compatibility: 3.7V lithium battery / 5V motherboard), up to 9V, with reverse connection protection

Power Consumption: < 100 mW, low power consumption suitable for battery-powered portable devices

Three output channels, can be simultaneously accessed:

DAC Analog Voltage: 0.4 - 2.0 V linearly corresponding to 0 - 5 ppm

UART TTL 3.3V: 9600 baud rate, active reporting / query dual mode, directly read concentration values

PWM Pulse Output: Concentration corresponding to duty cycle, simple single-chip microcontroller acquisition Zhengzhou Weisheng Electric...

Size: 23 × 25 × 4.4 mm, ultra-thin surface mount module

3. Environmental Adaptation Parameters

Operating Temperature: 0℃ - 50℃

Operating Humidity: 15% - 90% RH, no condensation

Storage Temperature and Humidity: 0℃ - 50℃, dry and protected from light storage

Air Pressure: Standard atmospheric pressure 800 - 1200 mbar universal

4. Lifespan and Stability

Theoretical lifespan in a clean indoor environment at normal temperature: 5 years; in multi-smoke, alcohol, and high VOC environments, approximately 2 years

Built-in ATC temperature compensation, small drift, low long-term zero drift nexisense...

III. Product Core Advantages

Integrated Calibration Module: Built-in electrochemical probe + amplification circuit, ready to use upon receipt, eliminating the need for signal conditioning design

Multi-signal Compatibility: Analog voltage, serial port digital, PWM three outputs, suitable for various MCUs, industrial control boards, display instruments

Ultrahigh Resolution 0.01 ppm, capable of accurately monitoring indoor low-concentration formaldehyde (national standard indoor limit value 0.08 ppm)

Ultra-thin small size, convenient for embedding in purifiers, fresh air units, handheld detection instruments

Low power consumption, powered by lithium battery, friendly for portable device battery life

Built-in reverse connection protection, reducing the risk of hardware development faults

IV. Main Application Scenarios

1. Smart Home Appliances (Mainstream)

Air Purifiers: Real-time formaldehyde detection, automatic adjustment of purification level

New Fans / All-Heat Exchangers: Formaldehyde triggers increase in ventilation air volume

Central Air Conditioning, Ventilation Ducts: Indoor air quality linkage control

Smart Air Detection Instruments, Desktop Air Quality Display Panels

2. Portable Detection Instruments

Handheld Formaldehyde Detection Instruments, Indoor Air Quality Measurement Tools for Construction Sites

Battery-powered Portable Environmental Monitoring Instruments (combined with PM2.5, CO₂, temperature and humidity multi-parameter integration)

3. Commercial Indoor Environment Monitoring

Office, Hotel, School, Mall air quality monitoring system

Sales Office, Environmental Monitoring Terminal for Construction Sample Rooms

Office Building Automation BA System, Ventilation Automatic Control

4. Engineering and Indoor Environmental Protection Equipment

New Home Decoration Indoor Formaldehyde Online Monitoring Alarm Device

Laboratories, Small Painting Workshops Low-Concentration Formaldehyde Leakage Monitoring

Vehicle Air Purification, Interior Air Quality Monitoring Module

Specifications: