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Triple Path Glass Calibration Block

Made in the USAThe TPG triple path glass calibration test block is used for the zero calibration of ultrasonic bolt tension meters. This calibration test block  is easy to use, very precise and resistent agaist temperature changes. The latter is attributed to the fact that the TPG is composed of the same glass material that is used in the aerospace industry.

The TPG glass calibration block has 3 testing paths: 25,4 mm, 50,8 mm, 76,2 mm.

This precision made Triple Path Glass Calibration Block is delivered witha a NIST traceable calibration certificate in a foam fitted hard plastic carrying case.

  • Temperature insensitive aerospace grade glass
  • Precision machined and finished
  • Highest accuracy and repeatability
  • Delivered with NIST traceable calibration report
  • Includes foam fitted carrying case

UnitPath 1Path 2Path 3
mm25,4 mm50,8 mm76,2 mm

TBW-2000 Test block weight

TBW-2000 load weight

The TBW-2000 stainless steel zero calibration weight is used to achieve a constant load on the ultrasonic probe.

Removing the operator and temperature influence it increases the repeatability of the measurement.

  • High quality stainless steel
  • Improves accuracy
  • Easy to use
  • Perfect repeatability
  • Recommend for zero procedure using triple path glass block or steel calibration bars

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