Calibrating Your Gauge - Elcometer 456 Operating Instructions Manual

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5 CALIBRATING YOUR GAUGE

Before taking measurements, always calibrate your gauge.
Follow steps 1 to 9 below to calibrate your gauge. Complete instructions on how to calibrate your gauge are
provided in the separate instruction book supplied with the gauge.
(1) Place the plastic shims on the
ferrous zero plate supplied with
your gauge. If necessary, the
shims should be stacked upon
each other until the thickness
totals approximately 250 µm.
8
(2) Switch on the gauge, hold the
probe well away from any metal
and press CAL.
(3) Place probe on shim stack.
Take a number of readings (to
obtain the average thickness of
the stacked shims).