Gravity: Lab Grade Analog pH Sensor Kit for Arduino
Low-cost analog pH sensor kit with ±0.1 pH accuracy and Gravity interface. Suited for water quality monitoring and aquaponics. Includes sensor probe and signal conditioning board.
Start wiring
Analog · UART · 3.3 – 5 V · Gravity
Confirm the data interface matches your host board.
Soil & liquid
79 other optionsCapacitive soil probes, pH/EC/TDS chemistry kits, RS485 water-quality sensors, contact and non-contact level sensors, and turbine flow meters — about 80 listings for anything involving soil or liquid sensing.
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