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

Product Description 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. From the Manufacturer AquaPro Digital Water Quality Tester for Electrical Conductivity.

• Measures electrical conductivity (EC) and temperature.
• Automatic Temperature Compensation (ATC)
• Water-resistant housing
• Digital Calibration (push button)
• Auto-off function, data-hold function and low-battery indicator.
• The AP-2 Tester measures electrical conductivity (EC) and temperature
• Measurement Range: 0-9999 µS
• The AP-2 has a push button digital calibration feature