The DFRobot oxygen sensor has a built-in calibration algorithm on the signal board that can quickly perform single-point or double-point calibration so as to accurately measure the oxygen concentration in the environment. Based on the principle of electrochemistry, the sensor probe comes with strong anti-interference ability, high stability and sensitivity, and up to two years of service life. It is compatible with mainstream controllers such as Arduino, ESP32, Raspberry Pi, etc. Besides, the sensor is designed with an easy-to-use Gravity interface, and with our sample codes, you can quickly build an oxygen detector.
Features
Strong anti-interference ability
High stability and sensitivity
Compatible with Arduino, ESP32, Raspberry Pi
Specification
| Detection Gas | Oxygen concentration |
| Detection range | 0~100% |
| Working Pressure Range | 0.5~2.0Bar |
| Working Voltage | 3.3～5.5V DC |
| Output Signal | I2C, UART (0~3V), analog voltage |
| Lifespan | ＞2 years (in air) |
| Working Humidity Range | 0-99% RH (non-condensing) |
| Working Temperature Range (°C) | -20°C ~ +50°C |
| Product Dimensions | 32mm x 27mm/1.26 x 1.06 inch |
| Response Time ( μS) | ＜5S |
| Mounting Holes Diameter (mm) | inner diameter 3.1mm(0.12 inch)/outer diameter 6mm(0.24 inch) |
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