Engineered for precision, DeFelsko Certified Shims enable quick and dependable verification of PosiTector RTR probe accuracy. With ±1.25 µm tolerance and calibration traceable to PTB, these shims guarantee consistent performance in field or laboratory environments, supporting industries where surface profile measurement reliability is essential.

DeFelsko Certified PosiTector RTR Calibration Shims

The DeFelsko Certified Shim Set enhances quality control by confirming measurement accuracy of PosiTector RTR instruments. Supplied with a calibration certificate, the shims reflect strict international metrology standards. Their durable design and precision values make them a dependable accessory for coating inspectors and materials testing professionals.

Features

Certified Traceability

Supplied with calibration certificate traceable to PTB (German metrology institute)

High Accuracy

±1.25 microns (±0.05 mil) specification for the certified shim set

Included With Probe

One check shim is included with each RTR probe for basic verification

Adjustable for Offset

Stated thickness is adjusted for the replica tape offset (50.8 µm polyester film)

Set Format

Comes as a set of two shims (typically 75 µm & 125 µm) to verify measurement across range

Overview

Specification	Detail
Product	DeFelsko Certified PosiTector RTR Calibration Shims (Set)
Order Code / Model	STDCSSRTR
Included Check Shim	RTRCHKSHIM04 (one check shim per probe)
Accuracy	±1.25 microns (±0.05 mil)
Shim Values	Typically two shims: 75 µm (3 mil) & 125 µm (5 mil)
Certification	Calibrated & traceable to PTB (Physikalisch-Technische Bundesanstalt)
Usage	For verifying height (H, HL) readings on PosiTector RTR probes in field or lab
Tolerance	±1.25 µm over stated shim height
Format	Two-shim set in protective case enables verification across the measurement range