Gas-Specific Configuration
Configured specifically for ammonia with a standard range of 0–100 ppm.
ZE03-NH3 Electrochemical Ammonia Detection Module
The ZE03-NH3 is a compact electrochemical module configured for ammonia detection. It provides a standard 0–100 ppm range, 1 ppm resolution, 3 V TTL UART concentration output and an amplified analog signal for OEM gas-detection equipment.
BrandWinsen
Sensing PrincipleElectrochemical
Target GasNH3
Product TypeElectrochemical Ammonia Sensor Module
Gas Sensing for OEM Integration
Product Overview
A pre-integrated electrochemical ammonia module with UART and analog outputs for portable and fixed gas detectors.
The module combines a replaceable gas-specific electrochemical sensing element, high-performance microprocessor and built-in temperature compensation in a standard ZE03 platform.
Calibrated concentration data can be read through UART, while the analog output provides the original amplified signal for custom processing and system calibration.
Designed for Reliable Integration
Key Features
UART Concentration Output
Outputs concentration through a 3 V TTL serial interface at a default 9600 baud rate.
Analog Signal Output
Provides an amplified analog output with a listed range of 0.6–3 V.
Built-In Compensation
Integrated temperature sensing supports compensated gas concentration measurement.
Compact Standard Platform
The Ø23.3 × 31.2 mm module simplifies mechanical and electrical platform reuse.
Custom Range Support
The official manual notes that alternative detection ranges can be customized.
Typical Use Cases
Applications
Portable Gas Detectors
Fixed Gas Detection Systems
Industrial Safety Instruments
Environmental and Hazardous Gas Monitoring
Official Product Parameters
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | ZE03-NH3 |
| Detected Gas | Ammonia (NH3) |
| Detection Principle | Three-electrode electrochemical |
| Standard Measurement Range | 0–100 ppm |
| Resolution | 1 ppm |
| Analog Voltage Output Range | 0.6–3 V |
| Response Time (T90) | ≤150 s |
| Working Voltage | 5.0±0.1 V DC |
| Working Current | <10 mA |
| Digital Output | UART, 3 V TTL |
| Analog Output | Original amplified sensor signal |
| Default Baud Rate | 9600 bps |
| Operating Temperature | -20°C to 50°C |
| Operating Humidity | 15–90% RH, non-condensing |
| Storage Temperature | -20°C to 50°C |
| Storage Humidity | 15–90% RH, non-condensing |
| Dimensions | Ø23.3 × 31.2 mm |
| Weight | O2 version <25 g; other versions <15 g |
| Expected Life | 2 years in clean air |
Specifications are based on the official Winsen product page or product manual. Confirm the latest datasheet, calibration requirements, communication protocol and mechanical drawing before final product design.
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