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OM PRAKASH JAT, 1/23/2015, 1:51 PM
One commonly used specification for measurement of dry film thickness with magnetic guages is SSPC-PA2. to illustrate this standard method, consider a square to 100 ft2 area in which five separate spot measurement of three readings each have been made. notice that a total of 15 individual readings have been made. assume:
1. this is the final inspection to deterrmine the total thickness of the coating system.
2. SSPC-PA2 is the specified procedure.
3. The specification call for a range of 250 micron to 375 micron.
4. Spot measurement for each area (average of the three readings).
How to Use SSPC-PA 2
William Corbett of KTA covers SSPC-PA2 Frequency testing.