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Surface finish dust & coating thickness meters

Dust & coating thickness measuring instrumentation typically used when measuring ductwork cleanliness in accordance with the requirements of the DTT (Deposit Thickness Test) in Appendix D1 the HVCA's (Heating & Ventilation Contractor's Association) TR19 Guide to Good Practice, for the Internal Cleanliness of Ventilation Systems.

Surface finish meters are designed to take peak-to-valley height measurements on flat or curved surfaces in accordance with specification ASTM D 4417-B.

For ultrasonic thickness gauges please see the associated information contained under liquid / water flow category.

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