Replica Tape Reader to Measure and Record 2D/3D Surface Profile Parameters
DeFelsko - PosiTector RTR 3D. Digital spring micrometers measure and record surface profile parameters using Testex Press-O-Film™ replica tape. Ideal for field or laboratory use; flat, curved or irregular surfaces.
Create a replica by burnishing tape on a surface and insert into instrument. 3D imagery and 2D/3D parameters are displayed in seconds!
Reports common parameters: Ra, Rq, Rz, Rp, Rv, Rt, Rpc (2D), and Sa, Sq, Sz, Sp, Sv, and Spd (3D).
Certificate of Calibration showing traceability to PTB (for H and HL only) and NPL (for Ra and Rt) included (Long Form)Certified and traceable to an accredited national laboratory.
Download 3D .SDF image files for analysis in included PosiSoft or third party software.
30º angle interchangeable probe tip available for special surface profile applications
Attach any PosiTector probe to a single gauge body.
DeFelsko - PosiTector RTR 3D come complete with stainless steel burnishing tool, burnishing ball, 5 cleaning cards, check shim(s), microfiber cleaning cloth, surface cleaning putty, protective rubber holster with belt clip, wrist strap, 3 AAA alkaline batteries, instructions, nylon carrying case with shoulder strap, protective lens shield, Long Form Certificate of Calibration (containing Ra and Rt values) traceable to an accredited national laboratory, USB cable and PosiSoft Software.
What is Surface Profile?
Coating performance is related to the profile height on a steel surface. DeFelsko offers three types of devices for measuring peak to valley surface profile height.
Why Surface Profile Measurement is Important
Steel is often abrasive blast cleaned or otherwise roughened prior to painting. The peak-to-valley height of the resultant surface profile is an important factor in the performance of applied protective coatings. Low profile may reduce coating bond strength (adhesion). Too high and the peaks may receive insufficient coverage and possibly rust prematurely. The costly application of more coating may be required if the profile is too high. For these reasons, surface profile should be measured prior to coating application to ensure that it meets contract specifications.
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