Product Name: Digital pH-80 Waterproof Professional pH Meter pH Tester for All pH Testing Water Model NO.: PH-80 Certification: RoHS, CE, FCC Appliance: Food Analysis, Medical Research, Biochemistry, Hydroponics Aquariums and More Portable: Portable Display: Digital Power Source: 3 X 1.5V Button Cell Batteries ( Lr44 or Equivale) Calibration: Digital Calibration by Push Button Transport Package: Carton Packing Specification: 15.3 x 3.2 x 1.8 cm Origin: China HS Code: 84219910 Product Description PH-80PH-80: pH HydroTester SeriesThe PH-80 has proven to be the MOST reliable pH meter in its price range. It has become a favorite in such applications as hydroponics & gardening, pools & spas, aquariums & reef tanks, water ionizers, drinking water and more.FEATURES:Measures pH and TemperatureOne-touch automatic digital calibrationWater resistantSimultaneous temperature displayLarge LCD displayAutomatic Temperature Compensation (ATC)Auto-off function, data-hold function and low-battery indicatorFactory Calibrated: The PH-80 meter is factory calibration to pH 7.0.Includes a translucent cap, batteries, storage solution and pH 7.0 buffer (powder)Product Description:pH Range: 0 - 14Temperature Range: 1-55 °C; 32-130 °FResolution: 0.1 pH; Temperature resolution is 0.1 °C/FAccuracy: +/- 0.2 pH; Temperature accuracy is +/-2%Calibration: Digital automatic calibration (one point)Minimum EC/TDS: 10 µS/5 ppmElectrode: Glass sensor and reference tube electrodesPower source: 3 x 1.5V button cell batteries (model LR44 or equivalent; included)Dimensions: 15.3 x 3.2 x 1.8 cm (6.0 x 1.3 x 0.7 inches)Weight: 53.9 g (1.9 oz)Application: Aquaculture, Aquarium, Drinking Water, Food & Beverage, Hydroponics, Industrial, Water TreatmentMore Choices: