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Standards

Calibration services

News and Updates

Projects and Programs

Laser tracker calibration in Tape Tunnel Facility

Advanced Dimensional Measurement Systems

Ongoing
New dimensional measurement technologies provide significant benefits to industry such as increasing measurement throughput, enabling new manufacturing process and providing more detailed part information for manufacturing process improvement. However, before purchasing and using new measurement
Aperture measurement with AMM

Aperture area measurements

Ongoing
Aperture area measurements are performed at NIST’s aperture area measurement facility, which combines a precise interferometric motion stage with high-resolution optical microscopy. This non-contact method is especially well suited for the measurement of defining apertures with knife edges that are

Basic Metrology: High-Dose Dosimetry Uncertainty Tables

Ongoing
Gammacell™ Calibration Geometry Dose Rate Uncertainty Source Type A (%) Type B (%) Water Calorimetry in Vertical Beam 0.16 0.51 Gammacell/Pool Source Ratio Data 0.10 Pool/B036 Source Ratio Data 0.17 Geometry Correction Factor 0.11 Field Uniformity 0.01 Source Timer (irrad time > 8min) 0.20 Co-60

Publications

Traceable RF Power Metering Procedures With Thermoelectric Sensors

Author(s)
Zenn Roberts, Aaron Hagerstrom, Cole Gray, Angela Stelson, Vincent Neylon, Christian Long
The National Institute of Standards and Technology (NIST) maintains the United State's primary standards for traceable RF and mm-wave power measurements. These

Tools and Instruments

Stylus Profilometer

Stylus Profilometer

The Taylor Hobson Form Talysurf PGI 1240 is a mechanical stylus profilometer for surface texture and microform measurements. Its primary purpose is for the

Awards

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