Available in USA

HM Digital AP-2 AquaPro Water Quality Electrical Conductivity Tester, 0-9999 µS Range, 1 µS Resolution, +/- 2% Readout Accuracy $19.99

HM Digital 

Home Improvement › HM Digital, Inc.

Product Description: An EC meter (aka EC pen or conductivity tester) is an inexpensive and convenient digital tool to instantly check your overall water quality. EC = Electrical Conductivity, which the water's ability to conduct electricity. With the push of a button, the AP-2 can tell you your overall water purity level, which will be displayed on the screen in µS (micro-Siemens). The lower the EC level, the purer the water, with 0 µS being pure H2O. The AP-2 is a great tool for water filtration and purification systems, hydroponics (test your nutrients), colloidal silver, boilers and cooling towers, and more. Measures electrical conductivity (EC) and temperature.Automatic Temperature Compensation (ATC)Water-resistant housingDigital Calibration (push button)Auto-off function, data-hold function and low-battery indicator.The AP-2 Tester measures electrical conductivity (EC) and temperatureMeasurement Range: 0-9999 µSThe AP-2 has a push button digital calibration feature

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