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Technical Note (NIST TN)

Selected Thermodynamic Properties for Mixtures of R-32 (Difluoromethane), R-125 (Pentafluoroethane), R-134A (1,1,1,2-Tetrafluoroethane), R-143A (1,1,1-Trifluoroethane), R-41 (Fluoromethane), R-290 (Propane), and R-744 (Carbon Dioxide)

December 1, 1997

Author(s)

C D. Holcomb, Joe W. Magee, Jennifer L. Scott, Stephanie L. Outcalt, William M. Haynes

Gases for Electrical Insulation and Arc Interruption: Possible Present and Future Alternatives to Pure SF₆

November 1, 1997

Author(s)

Loucas G. Christophorou, James K. Olthoff, David S. Green

The electric power industry's preferred gaseous dielectric (besides air), sulfur hexafluoride (SF6) has been shown to be a greenhouse gas. In this report we...

NIST Measurement Assurance Program for Resistance

November 1, 1997

Author(s)

Paul A. Boynton, June E. Sims, Ronald F. Dziuba

The National Institute of Standards and Technology (NIST) offers resistance Measurement Assurance Program (MAP) transfers at the 1 ohm and 10 k ohm levels, to...

Noise-Temperature Measurement System for the WR-28 Band

August 1, 1997

Author(s)

James P. Randa, L. A. Terrell

The NIST Noise Project has constructed and tested a radiometer for the measurement of noise sources in the WR-28 waveguide band (26.5 GHz to 40 GHz). It is a...

Electromagnetic Shielding Characteristics of Optical-Fiber Connectors

April 1, 1997

Author(s)

Keith D. Masterson, David R. Novotny, Galen H. Koepke

Noise Temperature Measurements on Wafer

March 1, 1997

Author(s)

James P. Randa

Measurement Uncertainty of Radiated Emissions

March 1, 1997

Author(s)

David A. Hill, Motohisa Kanda

Intercomparison of Permeability and Permittivity Measurements Using the Transmission/Reflection Method in 7 and 14 mm Coaxial Air Lines

March 1, 1997

Author(s)

Claude Weil, Michael D. Janezic, E. J. Vanzura

Analysis of High Bay Hangar Facilities for Fire Detector Sensitivity and Placement.

February 1, 1997

Author(s)

Daniel L. Lowe, Kathy A. Notarianni, William D. Davis, J E. Gott

Current guidelines for designing fire protection systems for aircraft hangars were developed with the primary objective of saving the building, and with less...

Electric Motor Efficiency Testing Under the New Part 431 of Chapter II of Title 10, Code of Federal Regulations: Enforcement Testing

January 1, 1997

Author(s)

Ken L. Stricklett, M Vangel

Antireflecting-Chromium Linewidth Standard, SRM 473, for Calibration of Optical Microscope Linewidth Measuring System

January 1, 1997

Author(s)

James E. Potzick

This document describes the physical characteristics of Standard Reference Material SRM 473, provides instructions for its use in calibrating optical photomask...

Towards Extended-Cavity Grating-Tuned Mid-Infrared Diode Laser Operation

January 1, 1997

Author(s)

M M{umlat}rtz, J. S. Wells, Leo W. Hollberg, T Zibrova, N Mackie, Z Feit

Dielectric Measurements Using a Reentrant Cavity: Mode-Matching Analysis

November 1, 1996

Author(s)

James R. Baker-Jarvis, Billy F. Riddle

NIST High-Accuracy Sampling Wattmeter

August 1, 1996

Author(s)

Gerard N. Stenbakken, A. Dolev

Rapid Evaluation of Mode-Stirred Chambers Using Impulsive UWBs

June 1, 1996

Author(s)

John M. Ladbury, Robert T. Johnk, Arthur Ondrejka

A Standard Source Method for Reducing Antenna Factor Errors in Shielded Room Measurements

March 1, 1996

Author(s)

Dennis G. Camell, Galen H. Koepke, R. B. Smith, B. Rakoski

NIST Measurement Assurance Program for Capacitance Standards at 1 kHz

March 1, 1996

Author(s)

Yui-May Chang

Liquid-Nitrogen-Cooled High-T_c Electrical Substitution Radiometer as a Broadband IR Transfer Standard

January 1, 1996

Author(s)

Joseph P. Rice, Z M. Zhang

A National Measurement System for Radiometry, Photometry, and Pyrometry Based upon Absolute Detectors

January 1, 1996

Author(s)

Albert C. Parr

Advancements in the performance and ease of use of absolute photodetectors based upon electrical substitution principals offers the possibility of a simplified...

Band-Limited White Gaussian FMQ Excitation for Reverberation Chambers and Applications to Radiated Susceptibility Testing

January 1, 1996

Author(s)

M. L. Crawford, T. A. Loughry, M. O. Hatfield, G. J. Freyer

Direct Comparison Transfer of Microwave Power Sensor Calibrations

January 1, 1996

Author(s)

M. P. Weidman

Optical Fiber, Fiber Coating, and Connector Ferrule Geometry: Results of Interlaboratory Measurement Comparisons

November 1, 1995

Author(s)

Timothy J. Drapela, Douglas L. Franzen, M. Young

Radiated EMCssions and Immunity of Microstrip Transmission Lines: Theory and Measurements

July 1, 1995

Author(s)

David A. Hill, Dennis G. Camell, Kenneth H. Cavcey, Galen H. Koepke

Spherical-Wave Source-Scattering Matrix Analysis of Antennas and Antenna-Antenna Interactions

July 1, 1995

Author(s)

R L. Lewis

A Calibration Service for Coaxial Reference Standards for Microwave Power

May 1, 1995

Author(s)

Fred R. Clague

Optical Detector Nonlinearity: Simulation

May 1, 1995

Author(s)

Shao Yang, Igor Vayshenker, Xiaoyu X. Li, M. Zander, Thomas Scott

Measuring Long Gage Blocks with the NIST Line Scale Interferometer

January 1, 1995

Author(s)

John S. Beers

An improved method for temporarily converting long gage blocks into line scales is described. The new process employs fused silica rather than previously used...

45 ° /0 ° Reflectance Factors of Pressed Polytetrafluorethylene (PTFE) Powder

January 1, 1995

Author(s)

P Y. Barnes, J J. Hsia

Database for Atomic Spectroscopy

January 1, 1995

Author(s)

Daniel E. Kelleher

User's Manual for the Program MONEL-I: Monte Carlo Simulation of SEM Signals for Linewidth Metrology

January 1, 1995

Author(s)

J R. Lowney, Egon Marx

This user's manual is a guide to the FORTRAN code MONSEL-I which is a Monte Carlo simulation of the transmitted and backscattered electron signals in a scanning...

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