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DFRobot Gravity PH3 Gas Sensor (Calibrated) I2C, UART and Analog

DFRobot Gravity PH3 Gas Sensor (Calibrated) I2C, UART and Analog

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  • Checks phosphine gas level easily with this Gravity PH3 Sensor.
  • Comes set up from the factory (calibrated) for fast, correct readings
  • Shows results in three ways: Analog, I2C, or UART
  • Works with common boards like Arduino, ESP32, and Raspberry Pi
  • Built strong, so it’s stable and not easily disturbed by other signals
  • Lasts a long time – more than 2 years of use
  • Has a feature to adjust for temperature, giving steady results

DFRobot Gravity PH3 Gas Sensor (Calibrated)  I2C, UART and Analog

This Gravity PH3 Sensor is a very useful device to find out the amount of phosphine gas around you. It's perfect if you're working on projects for factories, checking safety in mines, or just want to know the air quality in places like godowns or closed rooms.

The sensor has a special part (electrochemical probe) that is already fine-tuned at the factory. This means you can quickly and accurately measure Phosphine Gas Sensor levels right out of the box, without needing to do any complex setup.

It’s also made to be tough and reliable. You can easily connect this PH3 Sensor to popular electronics boards like Arduino, ESP32, or Raspberry Pi using the simple Gravity connector. It's flexible because it can send data through I2C, UART, or even as an analog voltage signal, whichever suits your project.

The sensor also has smart features like automatically adjusting for temperature changes to keep the readings correct, and it can even set off an alarm if the gas level gets too high. It's built to last for over two years, making it a good choice for your gas sensing needs.

DFRobot Gravity PH3 Sensor Using in a Project

Features

  • Gas Detected: Phosphine (PH3)
  • Measures Up To: 0 to 1000 ppm (parts per million)
  • Output Types: Analog, I2C, and UART
  • Ready to Use: Factory calibrated (already set up)
  • Connects To: Arduino, ESP32, Raspberry Pi, etc.
  • Good Quality: Very sensitive and doesn't get easily disturbed
  • Long Life: Can work for more than 2 years (in air)
  • Power Needed: 3.3 Volts to 5.5 Volts DC
  • I2C Setup: Has 32 I2C addresses you can choose from

Package Includes

  • 1 x Gravity: PH3 Signal Conversion Board
  • 1 x PH3 sensor probe
  • 1 x Gravity - 4pin Cable

Specifications

Detection Gas Phosphine (PH3)
Detection Range 0~1000ppm
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

Shipping & Returns

  • All orders confirmed before 3 pm IST are shipped on the
    same day, barring rare pickup delays on holidays or disturbances
  • Delivery time in Metro cities is 1-3 days, Others it is
    3-7 days. It varies based on location, reliant on courier services
  • Return window: 7 days from receipt unless stated
    otherwise. No refunds/replacements after
  • Returns only for non-working/damaged products are accepted
  • Initiate return requests to our customer service team via Support ticket or contact us at +91-8123057137
  • Refunds are processed within 3-4 working days post inspection and approval.

For more details, please check our Shipping and Return Policy

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