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Mechanical Measurements

Fees for services are located directly below the technical contacts for each service category link.
Links referencing the service id numbers are for detailed descriptions of specific services. 

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Reference Standard Hydrometers (16010C-16020S)

Volume and Density

Volume Standards (17010C-17030C)
Special Tests of Volume Standards (17040S)

Flow Measurements

Gas Flow Meters (18010C)
Natural Gas Flow Calibration (18015C)
Liquid Flow Meters (18020C)
Special Tests for Gas, Natural Gas, and Liquid Flows (18050S-18060S)

Flow Measurements at Cryogenic Temperatures

Special Tests of Cryogenic Liquid Flow (18800S)

Air Speed Instruments

Air Speed Instruments (19010C)
Air Speed Special Tests (19030S)

Mass Standards

Mass (22011C-22120S)
Single Weights for Deadweight Pressure Testers (22160C-22161C)
Special Mass Measurement Services (22170S)

Force Measurements

Force Transducers (23010C-23250C)
Special Tests of Force Transducers (23260S)

Vibration Measurements (Accelerometers) 

Accelerometer Sensitivity, Sinusoidal (24110C)
Accelerometer Special Test (24130S)

Acoustic Measurements

Pressure Responses of Microphones (25010C-25040C)
Special Tests of Acoustic Devices (25060S)


Program questions: Calibrations
Phone: 301-975-5454, Fax: 301-975-2950
NIST, 100 Bureau Drive, Stop 8363, Gaithersburg, MD 20899-8363