DFRobot Gravity Industrial Grade Analog pH Sensor / Meter Pro Kit for Arduino


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SKU: 1356248
  1. Brand: DFRobot
  2. Product: Gravity Industrial Grade Analog pH Sensor
  3. Module Power: 5.00V
  4. Module Size : 43mm x 32mm(1.70″x1.26″)
  5. Measuring Range: 0-14PH
  6. Measuring Temperature: 0-60 ℃


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Brand: DF Robot
Category: Water TDS, pH, Flow, Level and Pressure Sensor

This is a DFRobot Gravity Industrial Grade Analog pH Sensor / Meter Pro Kit for Arduino.

Gravity: Analog pH Sensor / Meter Pro Kit For Arduino is a professional Arduino pH Sensor Meter Kit with an industrial electrode. The industrial ph sensor for Arduino has a built-in simple, convenient, practical connection and long life (up to 1 year), which makes it very suitable for long-term online monitoring. It has an LED that works as the Power Indicator, a BNC connector, and a PH2.0 sensor interface.

This industrial pH electrode is made of a sensitive glass membrane with low impedance. It can be used in a variety of PH measurements with fast response and excellent thermal stability. It has good reproducibility, is difficult to hydrolysis, and can eliminate basic alkali errors. In 0pH to 14pH range, the output voltage is linear. The reference system which consists of the Ag/AgCl gel electrolyte salt bridge has a stable half-cell potential and excellent anti-pollution performance. The ring PTFE membrane is not easy to be clogged, so the electrode is suitable for long-term online detection.

Connection Diagram:

Useful link:

To do Hardware and Software setup, please follow this tutorial.


  1. Water Quality Surveillance
  2. Aquaculture


  1. Industry pH Electrode with BNC Connector
  2. PH2.0 Interface (3-foot patch )
  3. Gain Adjustment Potentiometer
  4. Power Indicator LED

Package Includes:

1 x DFRobot Gravity Industrial Grade Analog pH Sensor

Module Size

43mm x 32mm(1.70″x1.26″)

Measuring Range


Measuring Temperature

0-60 ℃


± 0.1pH (25 ℃)

Shipping Weight 0.313 kg
Shipping Dimensions 26 × 8 × 6 cm
6 Months Warranty

This item is covered with a supplier warranty of 6 months from the time of delivery against manufacturing defects only. This is a quality product from the original manufacturer. Only manufacturing defects are covered under this warranty. Reimbursement or replacement will be done against manufacturing defects.

What voids the warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

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Country Of Origin: China

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