[High sensitivity] electronic pH meter This pH detection probe is sensitive and the PH value test is accurate. [Measurement range] The pH test value of the pH probe sensor is very wide, and the measurement range is between 0 and 14 PH. [High precision] The PH sensor probe is easy to use, has high measurement accuracy and simple operation. [Accurate and reliable] The PH electrode probe is precise and reliable and can provide almost instantaneous readings. Heater voltage: 5+0.2V (AC DC) Working current: 5-10mA Detectable concentration range: PHO-14 Detecting temperature range: 0-80°C Response time: Component power: