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The definitive bench micrometer

Featured Product from Pratt & Whitney Measurement Systems, Inc.

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PDF Brochure - Universal Supermicrometer Models 501, 504

The Universal Supermicrometer® measures:

  • Length standards
  • External threads
  • Ball bearings 
  • Plugs & pins
  • Plain ring gages
  • Setting Standards (Frames, Rods) 
  • Dial, digital and test indicators
  • Gears / Splines
  • Tapered pipe threads / API 
  • Your Precision Part


Inside Dimension (ID) Measuring Instruments

Labmaster® Universal Model 175
The most popular ID/OD instrument in the world. Automatic probe movement with a push of a button. High accuracy is maintained by its laser interferometer, zero Abbe offset design, and large measuring table with swivel, center, tilt, and elevation control knobs.
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Universal Supermicrometer® Model 501 & 504
The definitive bench micrometer, the Universal Supermicrometer (USM), offers the advantage of being two instruments in one, by providing the ability to measure both internal and external parts.
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Internal Supermicrometer®
PDF Brochure - Internal Supermicrometer
Accessories for Internal Supermicrometer
The Universal Supermicrometer Model 504 is a direct replacement to the Internal Supermicrometer Model TG2100 and Model G2100. Click here for more information.

Pratt & Whitney Measurement Systems
Pratt & Whitney Measurement Systems is a global supplier of ultra-precision metrology instruments, inspection gaging systems, and length measuring machines. Our comparator instruments incorporate the latest in laser and sensor technology allowing for fast and accurate measurements. Industry applications span across a wide range including, but not limited to: aerospace components, automotive parts, medical devices, thin film materials, roller bearings (tapered, cylindrical, spherical, needle), transducers, optical components, semiconductor devices, gear-spline-thread assemblies.

Calibration laboratory applications include: gage blocks, internal and external threads, national pipe threads (NPT), cylindrical plugs, pin gages, ring gages, dial / test indicators, length standards, taper gages, micrometers, calipers, snap gages, disc masters, API gages, thread wires, bore gauges, and your precision parts. Accredited by A2LA to ISO/IEC 17025:2005 (cert# 2629.01).