Oxygen (O2) Gas Sensor, 0~100%

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$66.82

Buy an O2 sensor for Oxygen gas detection. Electrochemical working principle, 0~100% measurement range, strong anti-interference ability, fast response speed. 3 types of Oxygen (O2) gas sensors can work without an external power supply and are available to choose from according to your application area.

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SKU: ATO-GS-O2

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Overview

Low price Oxygen O2 sensor direct sale, 0~100% measurement range, can be used for oxygen detection in industrial and other applications. There are 3 types of Oxygen gas sensors to choose from, small in size, electrochemical working principle, and fast response.

Specifications

Model	ATO-AO-02	ATO-AO-03	ATO-AO-06
Interface	Molex 3 Pin Connector (2.54 mm)	2 Electrodes	3P 2.54
Applications	Automobile, Industry, Coal Mine, Steel, Petrochemical and Environmental Protection		High Pressure Environment
Working Principle	Partial Voltage Electrochemistry	Electrochemistry	Partial Voltage Electrochemistry
Output Method	9~13mV (in Air)	0.1±0.03mA (in Air)	9~13mV (in Air)
Measuring Range	0~100%	0~30% (Linear Output) 30~100% (Non~Linear Output)	0~100%
Response Time (T₉₀)	＜15s	＜15s	＜15s
Linearity	Full-Scale Linearity	Without	Full Scale Linearity
Temperature Compensation	<2% O₂, Equivalent (0~40℃)	Without	<2% O₂, Equivalent (0~40℃)
Load Resistance	≥10kΩ	45Ω	≥10kΩ
Operating Temperature	0~50℃	0~45℃	0~50℃
Working Humidity	0~99%RH (No Condensation)
Work Pressure	0.5~2.0 Bar	Atmospheric Pressure ±20%	0.5~2.0 Bar
Shell Material	ABS
Weight	40g	15g	40g
Size	29.2x38.5mm	20.3x20.8mm	29.2x41.7mm

Dimension (Unit: mm)

Oxygen (O2) gas sensor dimensions

Pin Definition Diagram

O2 sensor pin definition diagrams

ATO-AO-02		ATO-AO-06
Pin	Definition	Pin	Definition
1	Positive Pin	1	No Connection
2	Negative Pin	2	Negative Pin
3	Negative Pin	3	Positive Pin
3	Negative Pin	4	No Connection

Applications

Tips: What is an oxygen gas sensor?

An oxygen gas sensor, also known as an oxygen sensor or O2 sensor, is a device designed to measure the concentration of oxygen in a particular environment. These sensors are widely used in various industries and applications, including automotive engines, medical devices, aerospace systems , and industrial processes.

The principle behind oxygen gas sensors varies depending on the type of sensor. One common type is the electrochemical oxygen sensor, which consists of a sensing electrode, a reference electrode, and an electrolyte. When exposed to oxygen, a chemical reaction occurs at the sensing electrode, generating an electrical signal proportional to the oxygen concentration. This signal is then processed to determine the oxygen level.

In automotive applications, oxygen sensors play a critical role in monitoring and optimizing engine performance. They help control the air-fuel ratio by providing feedback to the engine management system, ensuring efficient combustion and reducing harmful emissions.

In medical devices, oxygen sensors are used in equipment such as oxygen concentrators and ventilators to monitor oxygen levels for patient safety and treatment effectiveness.

Overall, oxygen gas sensors are essential for ensuring safety, efficiency, and compliance with environmental standards in a wide range of industries and applications.

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