Technical Specification - Elcometer 456 Operating Instructions Manual

4 TECHNICAL SPECIFICATION

Scale Ranges:
Range
(FM3) 0 - 500 µm
(FM3) 0 - 10 mil
(NM3) 0 - 500 µm
(NM3) 0 - 10 mil
a. Measured with the probe held in a placement jig, using measured foils and the Elcometer zero
plate.
b. 1% accuracy is achieved when calibrating close to the coating thickness value to be measured.
6
Scale FM3 and NM3
Accuracy
b
± 2.5 µm or 1% to 3% whichever
is the greater
b
± 0.1 mil or 1% to 3% whichever
is the greater
b
± 2.5 µm or 1% to 3% whichever
is the greater
b
± 0.1 mil or 1% to 3% whichever
is the greater
Resolution
a
0.1 µm up to 100 µm
1 µm from 100 - 500 µm
0.01 mil up to 4 mil
0.1 mil from 4 - 10 mil
0.1 µm up to 100 µm
1 µm from 100 - 500 µm
0.01 mil up to 4 mil
0.1 mil from 4 - 10 mil