Accurate pH Measurements With a measuring range of 0.00 to 14.00 pH, this pH meter provides accurate readings every time. The replaceable pH electrode is easy to calibrate, ensuring accurate results every time. High Compatibility Our pH probe can be used in a pH measuring device such as a pH meter, a pH controller that has a BNC input terminal. Easy to use The PH electrode probe is accurate and reliable and can give almost instant readings. This PH sensor probe is easy to use, has high measurement accuracy and simple operation. Long cable length The pH sensor probe comes with a long cable of approx. 77cm in length, giving you plenty of room to move around and take measurements. Wide Application This pH electrode probe is perfect for home or educational use and is ideal for test pH levels in drinking water, swimming pools, aquariums, wine, RO systems, spas, hydroponics, and more.