YJJ ZE03‑H2S H2S Sensor Module | High‑Sensitivity 0‑100ppm Electrochemical Module

Product Description:

YJJ ZE03-H2S Hydrogen Sulfide Sensor Module for Sewage Biogas Gas Monitoring

Features:

Core Electrical & Detection Parameters

| Item | Specification |

| --- | --- |

| Model | ZE03-H2S

| Detected Gas | Hydrogen Sulfide (H₂S)

| Detection Range | 0 - 100 ppm

| Resolution | 1 ppm

| T90 Response Time | ≤ 30

| Analog Output | 0.6 - 3.0 V (linearly corresponding to concentration)

| Digital Output | UART TTL-3V, baud rate 9600bps

| Operating Voltage | DC 5.0V ± 0.1V

| Operating Current | < 10 mA

| Expected Lifespan | 2 years (normal air environment)

Environmental Conditions

- Operating Temperature: -20°C ~ +50°C

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

- Storage Temperature and Humidity: -20°C ~ 50°C, 15% - 90% RH

Mechanical Dimensions

- Size: Φ23.5 mm × 24.5 mm

Main Features

1. Factory pre-calibration, built-in temperature compensation, reducing the workload of customers for secondary calibration

2. Supports both UART digital + analog voltage dual output, facilitating embedded integration

3. Compact in size, suitable for fixed detection instruments, portable gas alarms

Typical Application Scenarios

Wastewater treatment plants, biogas equipment, livestock farms, public toilets, municipal pipelines, industrial toxic gas monitoring, portable H₂S detectors, gas alarm devices

Specifications: