PCWI Digital Surface Profile Gauge

Digital Metric/Imperial Surface Profile Needle Gauge. Also a Pit & Crack Depth Gauge.

This is a low cost option for surface profile measurement.

This is the most accurate way to measure and average the Profile height

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PCWI Digital Surface Profile Gauge

The special stepped foot and 30deg sharp needle ensures measurements meet the requirements of Australian Standard 3894.5-2002 (Surface Profile), and as far as we can ascertain it is the only gauge available which complies with the requirements of this Australia Standard. Design of the unit permits accuracies equivalent to an electronic surface trace.

  • Gives maximum peak to average valley height.
  • Design of the unit permits accuracies equivalent to an electronic surface profile trace.
  • The size (57mm diam) of this unit makes it easy to use and easy to balance on the surface.
  • This Gauge works on grit sand shot blasted and saw cut surfaces.
  • The Digital gauge can also measure, the depth of pits, cracks, craters and scratches of the outer (in some instances it would do the inside) surfaces of steel structures, pipes and concrete.
  • Enables quick assessment of surface condition. If a hole is made in the coating to the substrate, the gauge will also function as a coating thickness gauge.
  • Available as metric/imperial. 
  • The reading maximum range is user adjustable.

Used by members of the Australian Corrosion and Pipe Coaters Association.

View FileDatasheet - PCWI Surface Profile Gauges    Size: (2.36 MB)

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Range 0 to 5000 µm
Resolution 0.001mm
Accuracy ±2 µm
Gauge Face Diameter Analogue: 50mm / Digital: 42mm


Calibration is done by comparison with Certified Equipment Traceable via a NATA Endorsed Test Report and NVLAP Certificates of Calibration in accordance with PCWI Reference Documents LW1 17.

Uncertainty of Measurement: ± 0.83µm.

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