This PH detection probe is sensitive and the PH value test is accurate. The PH test value of this sensor probe is wide, and the measurement range is 0-14PH . This PH sensor probe is easy to use, has high measurement accuracy and simple operation. The PH electrode probe is accurate and reliable and can give almost instantaneous readings. Item Type: PH Probe Material: ABS Heating Voltage: 50.2V (AC/DC ) Working current: 5-10mA Detection concentration range: PH0-14 Temperature detection range: 0-80 Output: analog voltage signal output Response time: 5S Stable time: 60S Power consumption: 0.5W Working temperature: -10~50 (rated temperature 20) Working humidity: 95% RH (rated humidity 65% RH) Package List:1 x Probe