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Gravity: O2 Sensor (Calibrated) - I2C & UART

SKU:SEN0465 Brand:DFRobot Reward Points: 849
$84.90
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Topic: Arduino Gravity
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Introduction


How An Electrochemical Oxygen Sensor Works - Gravity: O2 Sensor (Calibrated) - I2C & UART


This is a sensor that detects oxygen concentration and supports three output modes: analog, I2C, and UART. The probe has been calibrated at the factory, which can quickly and accurately measure the concentration of oxygen in the environment. Can be widely applied to fields like portable devices, air quality monitoring devices, industries, mines, warehouses, and other spaces where the air is not easy to circulate.

The probe adopts the electrochemical principle, has the characteristics of strong anti-interference ability, high stability, high sensitivity, etc., and the service life is as long as two years. The sensor has 32 modifiable I2C addresses, an integrated temperature compensation algorithm, and a threshold alarm function, It has good compatibility with mainstream main control devices such as Arduino, ESP32, and Raspberry Pi. The easy-to-use Gravity interface, coupled with our sample code, can quickly build an oxygen concentration detector.

DFRobot has introduced 12 gas detection sensors in this series, CO, O2, NH3, H2S, NO2, HCL, H2, PH3, SO2, O3, CL2, HF, which are used in exactly the same way and data format, so you can combine them according to your needs.

Gravity: O2 Sensor (Calibrated) - I2C&UART


I2C Oxygen Sensor Selection Guide

Product Gravity: I2C Oxygen Sensor

Gravity: O2 Sensor (Calibrated)

- I2C & UART

Gravity: Electrochemical Oxygen Sensor  (0-100%Vol) - I2C
SKU SEN0322 SEN0465 SEN0496

Detection 

Range

0~25%Vol 0~25%Vol 0~100%Vol

Calibration 

Method

Manual calibration Factory calibration Manual calibration
Output Signal I2C I2C、UART、Analog I2C

Working 

Principle

Electrochemical Electrochemical Electrochemical
Stability <2%/Month <2%/Month <10%/Year
Response Time ≤15S ≤15S  0.1%~20.9%<40S  20.9%~100%<5S

Operating 

Pressure Range

101kPa±10% 101kPa±10% 0.5 - 2.0 Bar

Temperature 

Compensation

× ×


Features

  • Strong anti-interference ability
  • High stability
  • High sensitivity
  • Applications

  • Air quality monitoring device
  • Mining air detection
  • Environmental protection
  • Smart Farming
  • Specification

  • Detection Gas: Oxygen (O2)
  • Detection range: 0~25%Vol
  • Working Voltage: 3.3~5.5V DC
  • Working Current: <5mA
  • Output Signal: I2C, UART (0~3V), analog voltage
  • Working Temperature: -20~50℃
  • Working Humidity: 15~90%RH (non-condensing)
  • Storage Temperature: -20~50℃
  • Storage Humidity: 15~90%RH (non-condensing)
  • Lifespan: >2 years (in the air)
  • Adapter Plate Size: 37*32mm
  • Compatibility: Arduino, ESP32, Raspberry pi
  • Documents

    Shipping List

  • Gravity: O2 Signal Conversion Board x1
  • O2 sensor probe x1
  • Gravity - 4pin Cable x1
  • TUTORIAL

    REVIEW

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    FAQ

    Gravity: O2 Sensor (Calibrated) - I2C & UART

    $84.90
    Out Of Stock
    QTY DISCOUNT
    • 3-4$83.00
    • 5-9$81.00
    • 10+$78.00
    Quantity:

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