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1 INTRODUCTION
Thank you for selecting this meter. The waterproof pH 300/310 Hand-held meter is a
microprocessor-based instrument that is designed to be handy and user-friendly. It is capable of
measuring pH, mV and temperature. It is designed to be handy and capable of allowing one-hand
operation. It is completely WATERPROOF --- and it FLOATS!
This meter has many user-friendly features – all of which are completely accessible through the
water-resistant membrane keypad. Your meter includes a temperature probe, two electrode holders,
batteries, instruction manual and a warranty card. Complete portable testing versions, including a
rugged carrying case and calibration solutions, are also available. Refer to the Accessories section
for more information.
Please read this manual thoroughly before operating your meter.
