6
3 TAKING A MEASUREMENT
Before starting to take measurements it is good practice to check the performance of the gauge using the
calibration adjustment procedure - see “Calibration adjustment” on page 7.
1. Hold the gauge with the probe pressed
firmly
a
against the surface you are
measuring.
2. Read the coating thickness shown on the
display.
The screen displays:
• the coating thickness
• the measurement units (µm or mils)
• on FNF gauges only, the substrate type -
F (ferrous) or NF (non ferrous)
a. The reading may be inaccurate if the probe is not held flat against the surface.
Integral
probe
Separate
probe
312_TMA_0261_00 Issue 05 A6L.fm Page 6 Wednesday, January 14, 2009 5:46 PM
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