DeFelsko® PosiTector® SPG Surface Profile Gauge


The PosiTector® SPG – DeFelsko’s solution for measuring surface profiles on both metal and concrete surfaces – without the need of Testex® tape.  This inspection instrument system is capable and configurable, and has the following highlights:

  • Familiar.  Built on the tried-and-true PosiTector gauge / body platform, using interchangeable probes.
  • Capable.  Five separate probe designs available as follows:
    • PRBSPG.  Integral probe for one-handed use. Measures flat blasted steel.
    • PRBSPGS.  Cabled probe for enhanced ergonomics and/or access to hard-to-reach areas. Measures flat blasted steel.
    • PRBSPGOS.  Cabled probe for use on convex curved blasted steel (especially pipes).
    • PRBSPGCS.  Cabled probe for measuring textured coatings and other surface profile applications.
    • PRBSPGTS.  Cabled probe for measuring concrete profile.
  • Configurable.  Available as follows:
    • Probe only.  Use with your existing PosiTector gauge.
    • Standard PosiTector body package with choice of probe.
    • Advanced PosiTector body package with choice of probe.
    • Note:  All PosiTector SPG packages come with case, zero plate / shim, calibration certificate, and more.

Specifications and features of the PosiTector® Standard and Advanced Gauge / Bodies can be compared on their separate web page.

DeFelsko® PosiTector® SPG Surface Profile Gauge


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$410.00 - $1,535.00

Ship to 20149



The DeFelsko® PosiTector® SPG Surface Profile Gage leverages advanced technology to facilitate accurate measurement of surface profiles, critical for ensuring proper coating adherence. This tool is equipped with a digital depth micrometer, helping to ensure that coatings are applied under optimal conditions. Its robust design includes an IP65-rated enclosure, making it suitable for both lab and field use.

Key Features: 

  • Precision Measurement: Provides reliable peak-to-valley surface profile measurements, essential for surface preparation.
  • Durability and Design: Features like the alumina wear face and tungsten carbide tip ensure accuracy over time, with replaceable tips for ongoing precision.
  • Efficiency: Offers a fast measurement rate, capable of over 50 readings per minute, streamlining the process of large surface assessments.

This gage is created to meet the needs of professionals prioritizing accurate surface profile measurement. Its comprehensive features support a wide range of surface preparation tasks, from the laboratory to on-site applications, embodying DeFelsko’s dedication to quality and precision in measurement tools.