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1. INTRODUCTION
The pH 5 PLUS microprocessor-based handheld meter is economical and
easy to use. It has a large custom LCD (Liquid Crystal Display) for clear
and easy reading. The pH 5 PLUS measures pH and temperature (°C).
Meters include 4 alkaline AAA batteries, a rubber boot /stand,
instruction manual, and warranty card. Please refer to Section 8
Replacement Parts and Accessories for information on additional
accessories and calibration solutions.
2. GETTING STARTED
2.1 Description of Keypad Functions
The pH 5 PLUS has four keys on the splash-proof keypad: ON/OFF,
HOLD/ENTER, CAL and MODE/INC.
Powers meter on and o . Meter starts up in the mode that
ON/OFF
was last used.
MODE/INC
Increments values during temperature calibration mode.
Allows calibration for pH or Temperature, or to abort
CAL
calibration and return to measure without conÞ rming a
value.
Freezes the measured reading for easy viewing.
HOLD
ConÞ rms calibration value.
ENTER
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