Introduction: The laboratory microcomputer type pH meter Acidity meter is used to measure the solution pH value of high precision instrument Using high quality electrode, fast response, good stability. The series instruments are widely used in scientific research, education, agriculture and many other fields of science. Instrument technical characteristics Model PHS-3CW PHS-3DW measuring range PH:0~14.00PH PH:0~14.00PH MV:+/-1999mV, MV:+/-1999mV, Temperature:0~100C Temperature:0~100C Resolving power PH:0.01/0.1PH, pH:0.01/0.1pH, Temperature: +/-1C Temperature: +/-1C accuracy pH:0.01pHTemperature: +/-1C pH:0.01pHTemperature: +/-1C temperature compensation 0-100Manual compensation 0-100Automatic compensation Storage record Data storage function Data storage function Basic configuration E201-CPlastic casePHComposite electrode E201-C-WPlastic casePHComposite electrode PHStandard calibration sample PHStandard calibration sample DC9VThe power adapter DC9VThe power adapter Working conditions; environment temperature: 0 ~ 40 ℃and relative humidity: