The life, working principle and application of electrochemical oxygen sensor

Gravity: Electrochemical oxygen sensor is a famous open source hardware supplier DFRobot A new full range oxygen sensor ,0-100%Vol The measurement range of , It uses original AO2 CiTiceL Oxygen sensor probe .

Gravity: Working principle and service life of electrochemical oxygen sensor ：

DFRobot The calibration algorithm is built into the signal board of the full range oxygen sensor , Single point or double point calibration can be carried out quickly ,I2C Digital output , It can accurately measure the oxygen concentration in the environment . The probe adopts electrochemical principle , And it has strong anti-interference ability 、 High stability 、 High sensitivity , The service life is up to two years .

compatible Arduino、ESP32、 Main control equipment such as raspberry pie , Easy to use Gravity Interface , With our sample code , It can quickly build its own oxygen concentration detector .

Here's a little bit of attention ： Avoid storing 、 Exposure to high concentrations of solvent vapors during installation and operation .

Gravity: Technical specifications of electrochemical oxygen sensor ：

Detect physical quantity ： Oxygen concentration
measuring range ： 0~100%
Working voltage ： 3.3～5.5V DC
The output signal ： I2C
Operating pressure range ：0.5~2.0Bar
Operating temperature range ：-20°C ~ +50°C
Operating humidity range ：0 - 99% RH （ No condensation ）
response time ：<5S
Long life life ： >2 year （ In the air ）
Board size ：32mm*27mm
Mounting hole size ： The inner diameter 3.1mm/ Outside diameter 6mm
Hardware compatible ：Arduino、ESP32、 Raspberry pie

Gravity: Electrochemical oxygen sensors can be used to contain oxygen generators , automobile exhaust 、 Air fuel ratio detection and other application scenarios .

more Gravity: The circuit diagram of electrochemical oxygen sensor or relevant information such as applied voltage can be accessed DFRobot Shopping Mall Or product database query .