The Extech PH300 waterproof pH / mV / Temperature Kit has a waterproof housing which meets an IP57 rating and automatic calibration at four, 7, and 10pH. A choice of 3 point calibration is available for better accuracy.
The Extech PH300 pH / mV / temperature meter has automatic temperature compensation and a memory which stores up to 200 readings with series number measured value and temperature. Featuring a large, blue, backlit dual LCD display, the Extech PH300 pH / mV / temperature meter has an auto power off function that saves battery life and also has a disable function.
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