The PH electrode detector is accurate and reliable, providing almost instantaneous readings. Working voltage:5±0.2V (AC/DC) Working current: 5-10mA Detectable concentration range: PH0-14 Detection temperature range: 0-80℃ Response time: less than equal 5S Settlement time: less than equal 60S Component power: less than equal 0.5W. Working temperature:-10 - 50℃ (nominal temperature 20℃) Humidity: 95% relative humidity (nominal humidity 65% relative humidity) Size of PH test module: 42mm x 32mm x 20mm Output: Analog voltage signal output. PH range:0-14pH. Temperature range:0-80℃ Alkaline to 15 mV or less Theoretical percentage: 98% Internal resistance:less than equal 250mΩ Response time:less than equal 1 minute Working temperature:0-60℃ Terminal:BNC connector BNC connectors are suitable for most PH meters and controllers. Note:Due to different factory batches, the appearance will be slightly different, but it will not affect its normal use. Color:As Shown Material:PCB Package Contents: 1set * pH test sensors