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Testex Press-O-Film® Tape and Dial Thickness Gauge

Article No. 13165

Testex Micrometer Thickness Gauge Inches

Testex Micrometer Thickness Gauge in Inches (tape not included)

Select your model

$229.00 excl. taxes & shipping cost


  • Thickness gauge has special modified anvil
  • Press-O-Film Replica Tape is a fast, efficient method of measuring surface profiles on abrasive blasted surfaces.
  • Testex XC Press-O-Film HT (high temperature) consists of 2 mils (50 microns) of mylar with a coating of approximately 5 mils (127 microns) of compressible film.
  • The compressible film can vary in thickness between approximately 5 and 6 mils (127 and 152 microns), but this variation does not affect the accuracy of the measurement.
  • The tape is rated to read profiles from 1.5 to 4.5 mils (40 to 115 microns).
  • Each roll of tape is labeled with a manufacturing code and date for tracking purposes.
  • The tape does not expire and will last for years if kept in a relatively clean, dry environment.
  • Temperatures above 120°F (50°C) will degrade the sticky tapes that hold the Press-O-Film. Temperatures above 140°F (60°C) will degrade the actual Press-O-Film.
  • Petroleum products will degrade the Press-O-Film and should be kept away from the tape.
  • Each roll is 50 impressions.
  • Because inspectors, as a rule, have a target profile in mind, it is always best to start measurements with the grade of tape that has the target profile closest to the center of its range.
  • Each grade of replica tape is most accurate near the center of its specified range.
  • Always confirm measurements near the ends of a given grade’s range using the next higher or lower grade of tape.
  • Press-O-Film Tape is also used with the Positector RTR - Replica Tape Reader

Technical Attributes

  • Data
    GradeRange When Used With Gage
    Medium:5 to 75 microinch / 0.1 to 2 microns
    Coarse Minus:0.5 to 1.0 mils / 12 to 25 microns
    Coarse:0.8 to 2.5 mils / 20 to 64 microns
    X-Coarse:1.5 to 4.5 mils / 40 to 115 microns
    X-Coarse Plus:4.6 to 5.0 mils / 116 to 147 microns


  1. Locate a representative surface site.
  2. Select grade of Press-O-Film - 0.8 to 2.5 mils use “Coarse”, 1.5 to 4.5 mils use “X-Coarse”.
  3. Prepare snap gage, clean anvils, adjust dial gauge to read a minus 2 mils (8 mils when anvils are shut.)
  4. Peel Press-O-Film from slide.
  5. Check unexposed film with gage. Film may vary in thickness and maximum limits of profiles cannot exceed thickness of film coating.
  6. Apply film on blasted surface.
  7. Rub burnishing tool over the round cut-out portion of Press-O-Film. Press-O-Film will become darker when replicated, so make sure that the entire circular area has uniformly darkened.
  8. Remove replica and place between anvils on snap gauge, making sure replica is centered in between anvils. Gauge reading is the average maximum peak to valley heights of the blasted surface. (When snap gage is adjusted as per Step 3).

Delivery Content


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