How To Measure - Defelsko Positector Rtrh Gebrauchsanweisung

replica, of the surface.
Placing the compressed tape (replica) into
the PosiTector RTR H gives a measure
of the average maximum peak-to-valley
height of the surface roughness profile. The Gage automatically
subtracts the thickness of the polyester film from all measurements.
1. Prepare the test surface
2. Burnish the replica tape
3. Prepare the Gage
4. Measure
Prepare the test surface
Locate a representative site for measurement. Clean
the surface to be tested. DeFelsko recommends the
use of the included putty to remove dust, debris, or
residual blast media from the surface.Firmly press the
putty onto the surface using your fingers, and remove.
Burnish the replica tape (create a replica)
Select the appropriate grade of replica
tape based on the target profile. See
tape instructions for assistance.
Pull a single adhesive-backed replica
tape free of its release paper.
Apply replica tape to blasted surface.
Press the adhesive-backed ends of
the tape to hold it firmly in place during
the burnishing process.

How to Measure

Firmly compress the foam using the rounded
end of the included burnishing tool. Apply
sufficient pressure in a circular and x-y rubbing
motion to produce a replica with a uniform
pebble grain appearance. Excessively hard
rubbing should be avoided because the
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