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Repeatedly measure the unpainted galvanized part. The Gage will wait two seconds
after placing the probe on the surface to allow the user to correctly position the probe.
After the last measurement, the Gage will calculate a Zero which represents the
average of all the Zn Zero readings taken.
N Lock
(Combination FN Probes only)Select N Lock (Non-Ferrous Lock) when operating
regularly on non-ferrous substrates. The N Lock icon will appear and the probe will only
use the eddy current principle to shorten measurement time and extend battery life.
N Lock is useful when measuring coatings on plated steel, or partially magnetic
substrates:
Plated Steel: Normally the probe measures the combined thickness of the coating and
plating over the steel using the magnetic principle. In N Lock mode, the gage measures
only the thickness of the coating over the non-ferrous plating.
Partially magnetic substrates; i.e. clear-coat on gold over nickel-plated brass: In N-Lock
mode, the gage ignores any magnetism in the substrate and uses the eddy current
method to accurately measure the coating thickness.
CAUTION:
With N Lock engaged it is possible to obtain a reading when measuring non-conductive
coatings on steel (ferrous). This is not recommended.
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