Winsen ZE03-NO2 Nitrogen Dioxide Sensor Module Detection 0-20ppm


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SKU: 1766671
  1. Working Voltage: DC 4 Volts to 9 Volts
  2. Working Current: < 5 mA
  3. Size : ø23.5 mm x 24.5 mm
  4. Working Life: 2 year


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Brand: Winsen
Category: Gas and Dust Sensor

This Gas sensor can be used to measure Nitrogen dioxide in the atmosphere. This is an Industrial-grade sensor and is very easy to interface to your Microcontroller, Arduino as well and Raspberry Pi as they have linear Analog output as well as UART output (3 volts). It is with built-in temperature sensor to make temperature compensation, which makes it more accurate in detecting Nitrogen dioxide gas concentration. It has the digital output as well as analog voltage output at the same time which facilitates the usage and calibration and shortens the development period. It is a combination of mature electrochemical detection principles and sophisticated circuit design, to meet customer’s different detection needs.


  1. Measurement Range: The sensor module can detect NO2 gas concentrations in the range of 0-20 parts per million (ppm).
  2. High Sensitivity: It has a high sensitivity to NO2 gas, making it suitable for applications that require accurate and precise NO2 gas detection.
  3. Analog and Digital Output: The module provides both analog and digital output options, allowing you to interface it with a microcontroller or data acquisition system.
  4. Low Power Consumption: It is designed to be energy-efficient, which is beneficial for battery-operated applications.
  5. Fast Response Time: The sensor module has a relatively fast response time, which makes it suitable for real-time monitoring and control applications.
  6. Long Lifespan: It is designed to have a long operational lifespan, ensuring reliable and continuous NO2 gas detection over time.
  7. Storage Environment  Temp. : 20~25°C
  8. Storage Environment Humidity. : 30%RH-70%RH
  9. Operating Environment Temp. : -20~50°C

Package Includes:

1 x Winsen ZE03-NO2 Nitrogen Dioxide Sensor Module Detection 0-20ppm

SKU: 1766671 Category:
Working Voltage

DC 4 Volts to 9 Volts

Working Current

< 5 mA

Size (mm):

ø23.5 mm x 24.5 mm

Working Life

2 year

Output Data

UART Output (TTL electrical level, 3 Volts) and Analog Voltage

Detection range

0-20 ppm

Voltage output

2-0 Volts

Response Time(s)


Shipping Weight 0.006 kg
Shipping Dimensions 9 × 8 × 3 cm
6 Months Warranty Against Sealed Product

This item is covered with a standard warranty of 6 Months from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Robu customers from any kind of manufacturing defects. Replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

Warranty  Against Sealed Product:

This product comes with manufacturer seal so, warranty Policy shall cover only those issues pertaining to the manufacturing defects in the product. In any other case, No return will be accepted if the seal is broken.

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Country Of Origin: China