Description:
Mechanical depth gauge of focal corrosion.
 
Application:
Mechanical depth gauge is designed to comply with ASTM D 4417-B, SANS 5772, US Navy NSI 009-32, US Navy PPI 63101-000 for (depending on configuration): measures the peak-to-valley height of a blast cleaned surface; measurement the depth of focal corrosion; measures depth of narrow holes and grooves.