User Guide

• Allow the reading to stabilize and
using a small screwdriver turn the
pH 7 Calibration Trimmer to read 7.0.
Calibration is now complete.
ALWAYS USE FRESH BUFFERS FOR
CALIBRATION & NEVER REUSE THEM.
BATTERY REPLACEMENT:
When the pHep
®
cannot
be switched on or the dis-
play fades, pull out the bat-
tery compartment and re-
place all three 1.5V batter-
ies, paying attention to their
polarity.
Batteries should only be
replaced in a non-hazard-
ous area using the battery
types specified in this in-
struction manual.
RECOMMENDATIONS FOR USERS:
Before using this product, make sure that it is entirely
suitable for the environment in which it is used. Operation
of this instrument in residential areas could cause
unacceptable interferences to radio and TV equipment.
The glass bulb at the end of the pH electrode is sensitive
to electrostatic discharges. Avoid touching this glass
bulb at all times. During operation of instrument, ESD
wrist straps should be worn to avoid possible damage to
the pH electrode by electrostatic discharges. Any
variation introduced by the user to the supplied equipment
may degrade the instrument's EMC performance. To avoid
electrical shock, do not use this instrument when voltages
at the measurement surface exceed 24 VAC or 60 VDC.
To avoid damages or burns, do not perform any
measurement in microwave ovens.
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+
BATTERIES
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