Display Type : DIGITALWith Backlight Or Not : NOModel Number : AP-2Certification : CEMeasuring range : 0-9999 uSAccuracy : +/- 2%Resolution : 1 uSHM Digital 2 in 1 AquaPro Water Quality Tester AP-2 EC and Temperature with Automatic Calibration and Datahold 40%offHM Digital introduces its new AquaPro series, a line of handheld EC meters with a sleek design that's perfect for today's modern kitchen. The AquaPro digital water testers are the next generation for today's tech-savvy and health-conscience consumer.Features:Measures electrical conductivity (EC) and temperature.Automatic Temperature Compensation (ATC)Water-resistant housingMeasurement Range: 0-9999 SDigital Calibration (push button)Auto-off function, data-hold function and low-battery indicator.Display: large and easy-to-read LCD screen includes simultaneous temperature reading.Factory Calibrated: The AquaPro is calibrated with a 700 S solution. The meter can be recalibrated with digital calibration using the push buttons, rather than a screwdriver.Includes a cap.Includes a storage case.Magnetic body (patent pending)Specifications:EC Range: 0-9999 S (S/cm)Temperature Range: 0-80 C; 32-176 FResolution: 1 S; Temp. resolution is 0.1 C/FAccuracy: +/- 2%Calibration: Digital calibration by push button.Housing: Water-resistantPower source: 1 x 3V button cell (model CR2032) (as air freight restriction battery are not included in delivery)Dimensions: 15 x 2.8 x 1.3 cm (5.9 x 1.1 x .5 inches)U.S. PATENT D602,384STo convert S (micro-Siemens) to mS (milli-Siemens): divide by 1000.1000 S = 1 mSEC = Electrical Conductivity