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Physical Measurement Laboratory / Sensor Science Division

Fluid Metrology Group

Tools and Instruments

Displaying 1 - 6 of 6
gas flow standards thumbnail

Gas Flow Standards

Summary NIST's gas flow meter calibrations support a wide range of industries that require low-uncertainty, SI-traceable measurements. These industries include
15 kg/s liquid flow standard

Liquid Flow Standards

Summary The Fluid Metrology Group has a dynamic, gravimetric liquid flow standard spanning the flow range 0.2 L/s to 15 L/s with uncertainty less than 0.03 % at
Uncertainty in NIIST’s liquid volume calibrations.

Liquid Volume Calibration Facility

Summary The United States consumes approximately 1,200 metric tons of petroleum annually, which equates to 11 liters per person per day. Half of this petroleum
gas pipeline

Natural Gas Flow Calibration Service

Name(s) of Calibrations/SRMs/SRD/SRIs and any related programs: NIST Special Tests for Natural Gas Flow (18080S) Summary The Fluid Metrology Group (FMG)
wind tunnel instrument

Wind Tunnel

NIST’s wind tunnel can produce air speeds between 0.15 m/s and 40 m/s. The air speed reference is a Laser Doppler Anemometer (LDA) with an uncertainty of 2.5 %