Product Description:

YJJ ZE03-NO2 Electrochemical NO2 Gas Sensor Module 0-20ppm for Atmospheric Air Quality Monitoring

Features:

I. Basic Information

Model: ZE03-NO2

Gas: NO₂ - Nitrogen Dioxide

Principle: Three-electrode electrochemical integrated module (sensor + amplification circuit + temperature compensation + calibration program)

Shape: Φ23.3 × 31.2mm, straight insertion with three-pin terminals

II. Core Electrical Parameters (25℃) Table

Project Technical Parameters

Measurement Range: 0 - 20 ppm

Resolution: 0.01 ppm

Detection Lower Limit: ≤ 0.05 ppm

T90 Response Time: ≤ 30 s

Power Supply Voltage: DC 5.0V ± 0.1V

Operating Current: < 5 mA (Low Power Consumption) Winsen

Output Signal: 1. TTL Serial Port UART (9600 baud)

2. Analog Voltage: 0.4 - 2.0V

Operating Temperature: -20℃ - +50℃

Humidity Conditions: 15% - 90% RH, No Condensation

Service Life: ≥ 24 Months

Zero Point Drift: Small, Suitable for Long-Term Continuous Online Monitoring

III. Product Features

Integrated Factory Calibration, No Need to Build Amplifier Circuit, Power On Direct Reading of Concentration Value, Shortens Development Cycle;

Three Electrode Structure, Effectively Suppresses Cross-Interference of Ozone, Sulfur Dioxide, etc.;

Built-in Temperature Compensation Circuit, Small Temperature Drift, Stable Measurement in Outdoor Environment;

Digital + Analog Dual Output, Compatible with Single-Chip Microcontrollers, Transmitter Board Development;

Compact Size, Suitable for In-Building Installation in Small Instruments, Resistant to Moisture and Not Easily Poisoned Zhengzhou Winsen Electronics Technology Co., Ltd.

IV. Main Applications

1. Atmospheric Air Quality Monitoring (Main Application)

Micro-grid Air Station, Urban Road Exhaust Monitoring Equipment;

Air Quality Online Monitoring Terminal for Residential Areas, Factories, Parks;

Long-Term Sampling Record of Indoor and Outdoor NO₂ Air Pollution.

2. Industrial Gas and Exhaust Detection

Simple Detection of Nitrogen Oxides in Boilers, Internal Combustion Engines, Diesel Exhaust;

NO₂ Toxic Exhaust Leakage Monitoring in Smelting, Chemical Industry, Nitric Acid Workshop;

Unorganized Emission Gas Inspection of Polluting Enterprises.

3. Industrial Safety Protection

Alarm Probe for Nitrogen Dioxide Leakage in Chemical Workshops;

Motor Vehicle Exhaust Monitoring in Tunnels, Underground Garages;

Detection of Nitric Acid Volatile Gas Concentration in Laboratories.

4. OEM Instrument Accessories

Portable Multi-Parameter Gas Detector;

Fixed NO₂ Gas Transmitter;

Atmospheric Sampling Analyzer, Environmental Monitoring Internet of Things Module.

Specifications: