Quickly and easily measure the pH and temperature in a waterproof, floating casing with the Hanna GroChek pHEP 5 Meter. The LCD screen displays the battery level, pH levels, ranging from 2.00 to 16.00, and the temperature in either Fahrenheit or Celsius, ranging from 32.0 to 140.0 °F or 0.0 to 60.0 °C. This meter does it all. With auto shut off, auto calibration, and auto temperature compensation, all you have to do it take it in and out of the mixture you're testing. Easy. Get a durable temperature and pH tester, the Hanna GroChek pHEP 5 Meter.