pH Analog Sensor – Acidity Meter Kit For Arduino

From the shop's description

. Gravity: Analog pH Sensor / Meter Pro Kit For Arduino is a professional Arduino pH Sensor Meter Kit with an industrial electrode. The 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. Features: Brand: DFRobot Gravity Series Analog pH measurement output High accuracy and stability Easy calibration with buffer solutions Compatible with Arduino, ESP32, Raspberry Pi Ideal for water quality, aquaculture, hydroponics, labs Durable pH probe with long service life