Water Quality Sensor is specially designed for Arduino controllers and has a convenient and practical “Gravity” connector and many features. Instant connection to your probe and Arduino to get pH measurements at ± 0.1pH (25 ℃). For most hobbyists, this great accuracy range and its low cost make this a great tool for bio robotics and other projects! It has an LED which works as the Power Indicator, a BNC connector and a PH2.0 sensor interface.
water quality sensor in pakistan