Calibrating The Gauge - Elcometer 456 Model E Operating Instructions Manual

4 CALIBRATING THE GAUGE

Calibration adjustment is the process of setting the gauge to known values
of thickness to ensure accuracy on different substrate types, shapes and
surface finishes.
The calibration of the gauge can be adjusted using several different
methods for use in accordance with National and International Standards
and the calibration adjustment method chosen depends on the condition
of the substrate to be measured.
1. Press the Cal softkey
2. For alternative calibration methods,
select Cal/Cal Method
3. Select Calibrate and follow the on-screen
instructions
4. When prompted place the probe on the
centre of the foil(s) or on the uncoated
metal substrate
Foils can also be stacked to increase the thickness value.
The calibration method is indicated on the screen by a symbol - see
Multiple Calibration Methods on page 18.
Not all calibration methods are available for all gauge types. For a
comprehensive guide to each calibration method and the calibration
adjustment process see Multiple Calibration Methods on page 18.
When using an FNF probe it must be calibrated in both the ferrous mode
and in the non-ferrous mode to ensure accuracy of reading.
When using an Ultra/Scan probe in Scan Mode or Auto Repeat Mode
(see Measurement Modes on page 25), it must be calibrated using either
the Smooth or Rough/2 Point calibration method - see Multiple
Calibration Methods on page 18.
For more information on calibrating the Elcometer 456, see page 60.
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456 Dry Film Thickness Gauge
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