Surface Profile Gages use a digital depth micrometer fitted with a fine pointed probe to measure and record peak-to-valley surface profile eights in preparation for the application of coatings.

สอดคล้องกับมารตฐาน ASTM D4417-B, ASTM D8271 (SPG TS only), AS 3894.5-C (with optional 30° tip), U.S. Navy NAVSEA NSI 009-32, US Navy NAVSEA PPI 63101-000, SSPC PA 17, SANS 5772, and others