ZX-MK3-NO2

Product Introduction

The ZX-MK3-NO2 series is an electrochemical gas concentration detection module designed for accurate and reliable measurement of sulfur dioxide (SO2) and nitrogen dioxide (NO2) in ambient air. It utilizes electrochemical sensing technology, which requires no preheating and offers stable performance. The module provides high resolution and precision, making it suitable for a wide range of environmental monitoring applications. It supports both I2C and TTL UART digital interfaces, and is available in 3.3V or 5V DC power supply options. With a long operational lifespan and cost-effective design, this module is ideal for mass deployment in various indoor and industrial settings.

Features

• Electrochemical detection method, no preheating required, reliable and stable
• Detection range: 0 to 10 ppm
• Resolution: 0.001 ppm
• Measurement error: ±2%
• Wide operating temperature range: -20 to 45°C
• Expected service life: more than 3 years
• Power supply: 3.3V or 5V DC; I2C output, TTL UART output, slave mode
• Low cost, suitable for mass use

Applications

• Public places: hotels, exhibition halls, hospitals, shopping malls, restaurants, airports, railway stations, entertainment venues, cinemas, and other public areas
• Residential and office spaces: homes, villas, office buildings, meeting rooms, classrooms, and similar environments
• Industrial settings: factories, workshops, greenhouses, cleanrooms, and various other industrial applications

Specifications Table

To learn more, please download the PDF.