... * Supplied with a set of pH 4.01, pH 7.00, pH 10.01 buffers*Microcomputer circuit, intelligent function, high accuracy* Easy ... , water conditions* Auto calibration for pH 4.01, pH 7.00 and pH 10.01Specifications SpecificationsParametersMeasurement RangepH0.00 ~ 14.00 pH ... Calibration PointsUp to 3 points: pH 4.01, pH 7.00 and pH 10.01Temperature CompensationAutomatic; 0~50oCDisplayLCD: shows both pH ...