Product Name: Digital Ap-1 Water Quality TDS Tester Handheld TDS Meter for Aquarium Aquaculture Food Beverage Drinking Water and More Model NO.: AP-1 Type: TDS/Temperature Certification: RoHS, FCC, CE Portable: Portable Appliance: Food Analysis, Medical Research, Biochemistry, Hydroponics Aquariums Drinking and More Display: Digital Power Source: 1 X3V Button Cell Batteries (Cr2032) Calibration: Digital Calibration by Push Button Transport Package: Carton Packing Specification: 15 x 2.8 x 1.3 cm Origin: China HS Code: 84219910 Product Description AP-1AP-1: AquaPro Water Quality Tester (TDS)HM Digital's AquaPro Series, is a handheld water quality tester which, with a modern design is perfect for today's tech-savvy and health-conscience consumer. The AquaPro digital water testers are the next generation for today's modern kitchen.FEATURES:Simultaneous TDS and Temperature readingLarge easy-to-ready screenDigital CalibrationWater resistant housingMagnetic body (Patent Pending) -Perfect for a fridgeRetail friendly packagingAutomatic Temperature Compensation (ATC)Product Description:TDS Range: 0-5000 ppm (mg/L)Temperature Range: 0-80 °C; 32-176 °FResolution: 1 ppmTemperature Resolution: 0.1 °C/FAccuracy: +/- 2%EC-to-TDS Conversion Factor: NaCl (avg. 0.5)Calibration: Digital calibration by push button.Housing: Water-resistantPower source: 1 x 3V button cell (included) (model CR2032)Dimensions: 15 x 2.8 x 1.3 cm (5.9 x 1.1 x .5 inches)Weight: 42.5 g (1.5 oz)Application:Aquaculture, Aquarium, Drinking Water, Food & BeverageMore Choices: