PH818M The penetrating PH tester is highly accurate, stable and reliable. It can measure the PH value and solution temperature and display them clearly in the LCD backlit screen. It's designed for the measurement of semisolid substances in food production and processing such as fruit, vegetables, paste, bread, gel, some kinds of meat. SpecificationsDisplay:Digital LCD with BacklightPH Measuring Range:0.00-14.00PHPH Accuracy:±0.05PHPH Repeatability:±0.01Solution Temperature Measuring Range:0~60℃Temperature Unit: ℃/ ℉ SwitchableTemperature Compensation: Yes (0~70℃)Data Hold:YesBacklight:YesOver PH Value Alarm:YesAuto Power Off:YesMaterial:ABSWorking Temperature range:0-50°CWorking Humidity range:≤80%RHSize:195*44mmPower supply:2*1.5V AAA batteries(Not include)