Oak Ridge Metrology Center provides calibration traceable to NIST standards in these 29 measurement disciplines.


  • Angular: Angle Blocks, Optical Polygons, Rotary and Indexing Tables, Optical Wedges, Autocollimators
  • Diameter and Roundness: Plugs, Wires, Gage Pins, Spheres
  • Gage Block/Flatness: Gage Blocks, Optical Reference Planes (Flats)
  • Laser/Plate Work: Micrometers, Dial Indicators
  • Surface Texture; Roughness standards, Profilometers
  • Thread: Thread Plug and Ring Gages
  • Three Dimensional/CMM: Long Length Artifacts, Step Gages, Three Dimensional Gages
  • Two Dimensional/Optical: Two Dimensional Gages, Line Standards, Two Dimensional Grid Plates

Physical and Electrical

  • Acceleration
  • Current/Voltage — Breaker Test Sets, Calibrators, Digital Multi-Meters, Hi-Pots, Shunts
  • Density/Volume — Stainless Steel Sample Cylinders, Volumetric Glassware
  • Force
  • Frequency/Time — Counter/Timers, Function Generators, Oscillators, Pulsers, Stopwatches
  • Gas Analysis — HS meters, Oxygen meters
  • Gas Flow — Anemometers, Mass Flow Meters/Controllers, Rotameters, Venturi
  • Hardness
  • Ionizing Optical — Densitometers, Density Film Strips, Pyrometers, Radiometers
  • Leaks — Capillary Leaks, Standard Leaks
  • Mass
  • Moisture/Humidity — Humidity Generators, Humidity Transmitters, Moisture Blending Systems, Moisture Generators, Moisture Monitors
  • Phase — Phase Meters, Phase Rotation Meters
  • Pressure — Analog Pressure Gauges, Barometers, Differential Pressure Gauges, Digital Pressure Gauges, Pressure Calibrators, Pressure Modules
  • Ratio — Dividers, Resistance Bridges
  • Resistance — Decade Boxes, Insulation Testers, Micro-Ohm Meters, Standard Resistors
  • RF/Power — Power Meters, RF Counter/Timers
  • Temperature — Ambient Air Thermometers, Digital Thermometers, IR Thermometers, Liquid-in-Glass Thermometers, Temperature Recorders, Temperature Transmitters, Thermocouples, RTDs
  • Torque
  • Vacuum — Baratrons, Ion Gauges, Vacuum Gauges