Add Reliable pH Sensor Meter Analog Kit V2 Gravity for Arduino Sensing to Your Next Build

This pH meter V2 is designed to measure the acidity or alkalinity of a solution. Common uses are for aquaponics, aquaculture, and environmental water testing.

As an upgraded version of pH meter V1, this product greatly improves the precision and user experience. The onboard voltage regulator chip supports the wide voltage supply of 3.3~5.5V, which is compatible with 5V and 3.3V main control board. The output signal filtered by hardware has low jitter. The software library adopts the two-point calibration method, and can automatically identify two standard buffer solutions (4.0 and 7.0), so simple and convenient. You may also check Liquid Sensor Selection Guide to get better familiar with our liquid sensor series.

Why you'll love it

• 3.3~5.5V wide voltage input
• Hardware filtered output signal, low jitter
• Gravity connector and BNC connector, plug and play, no welding
• Software library supports two-point calibration, and automatically identifies standard buffer solution
• Uniform size and connector, convenient for the design of mechanical structures
• Signal Conversion Board (Transmitter) V2

What you can build

This part fits monitoring, measurement, logging, alarms, and automation builds. It works well in Arduino, ESP32, and Raspberry Pi style projects where you need reliable real-world data from the ph sensor meter analog kit v2 gravity for arduino.

Starter bundles

Pair it with an Arduino-compatible board, ESP32, or Raspberry Pi, plus sensor cables, headers, or a matching expansion shield for faster setup.

Recommended add-ons

Useful add-ons include displays, data logging modules, waterproof enclosures, and matching Gravity cables or sensor shields.

Technical specifications

Pinout & usage notes

Check the supported input voltage before wiring so the module matches your controller and power source. For analog readings, use a stable reference and keep wiring short when possible for cleaner signals. If you are using Gravity connectors, align the plug correctly and avoid forcing the cable into the wrong header.

DFRobot resources

Official product page: View on DFRobot
Wiki / documentation: Open DFRobot wiki
More Documents

What’s in the box

1 × pH Sensor Meter Analog Kit V2 Gravity for Arduino

Frequently Asked Questions