This pH sensor probe is sensitive and the pH value test is accurate. The PH test value of this sensor probe is wide and the measuring range is 0-14PH. This pH sensor probe is easy to use, features high measurement accuracy and simple operation. The PH electrode probe is accurate and reliable and can give almost instant readings. Heating voltage: 5 0.2 V (AC DC) Operating current: 5 - 10mA Detectable concentration range: PHO - 14 Detection temperature range: 0 - 80c Response time: 5S Settlement time: 60S Component power: 0.5 W Operating temperature: -10 - 50C (nominal temperature 20C) Humidity: 95% relative humidity (nominal humidity 65% relative humidity) Module size: 42 mm x 32 mm x 20 mm Output: analog voltage signal output With 4 M3 mounting holes Quantity delivered: 1 piece becomeveryrich