General description The PH Meter is a versatile 5 in 1 water quality tester designed to monitor pH, TDS, EC, salinity, and temperature. It is ideal for various applications including pools, hydroponics, drinking water, and aquariums. Technical specifications TDS measuring range: 0-1000 ppm EC measuring range: 0-10000 µS/cm pH measuring range: 0.01-14.00 pH Salinometer measuring range: 0.00-25.00% Food salt content measuring range: 0.00-25.00% Seawater salt content measuring range: 10.1-200.0 ppt Temperature range: 0°C to 60°C (32°F to 140°F) Usage Long press the HOLD/TEMP button to lock the measured value for easy reading. Automatic temperature compensation ensures accurate readings in varying temperatures. Other information Backlit LCD display for clear visibility of measurements. Auto-off function activates after 5 minutes of inactivity to conserve battery. Uses a fully transparent liquid crystal (LCD) to display 4-digit values and corresponding physical units.