Winsen ZE03-SO2 GAS Sensor Module


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Approx Restocking Date: NA
SKU: 1021481
  1. Measurement Range :0~20ppm
  2. Max detecting concentration: 150ppm
  3. Sensitivity:(0.55±0.15)µA/ppm
  4. Resolution ratio :0.1ppm
  5. Response time(T90): <30S
  6. Detection gas: SO2 sensor, sulfur-dioxide gas sensor


(Including GST)

Out of stock

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Brand: Winsen
Category: Gas and Dust Sensor
Tags: Gas Sensor, SO2 SENSOR

ME3-SO2 electrochemical sensor detects gas concentration by measuring current based on the electrochemical principle, which utilizes the electrochemical oxidation process of target gas on the working electrode inside the electrolytic cell, the current produced in the electrochemical reaction of the target gas is in direct proportion with its concentration while following Faraday law, then the concentration of the gas could be got by measuring the value of current.

Winsen Ze03-So2 Gas Sensor Module


Portable and fixed gas detector, various gas detection equipment, and situation.


  1. High sensitivity & resolution
  2. Low power consumption
  3. UART and analog voltage output
  4. Good stability and excellent anti-interference ability

Package Includes:

1 x Winsen ZE03-SO2 GAS Sensor Module

SKU: 1021481 Category: Tags: ,
Model No.


Target Gas

CO, O2, NH3, H2S, NO2, O3, SO2, CL2, HF

Working Voltage


Working Current

<5 mA

Working Temperature Range (°C)

-20 to 50

Working Humidity Range

10% to 90% RH

Height (mm)


Weight (gm)


Shipment Weight

0.015 kg

Shipment Dimensions

8 × 6 × 1 cm

15 Days Warranty

This item is covered with a standard warranty of 15 days 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.  Reimbursement or 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.

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Country Of Origin: China