HM AP-2 Digital EC Meter Tester Machine High Accuracy Premium Water Testing Instrument Water Quality Tester with Simultaneous Electrical Conductivity & Temperature Reading + Large Screen + Digital Calibration + Water Resistant Housing + ATC + Digital TDS

An electrical conductivity meter (EC meter) measures the electrical conductivity in a solution. It is commonly used in hydroponics, aquaculture and freshwater systems to monitor the amount of nutrients, salts or impurities in the water. FEATURES: Simultaneous electrical conductivity (EC) and Temperature reading Large easy-to-ready screen Digital Calibration (push button) Water resistant housing Retail friendly packaging Automatic Temperature Compensation (ATC) Factory Calibrated with a 700 µS solution. EC Range: 0-9999 µS (µS/cm) Temperature Range: 0-80 °C; 32-176 °F Resolution: 1 µS; Temp. resolution is 0.1 °C/F Accuracy: +/- 2% Calibration: Digital calibration by push button. Housing: Water-resistant Power 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)