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Wednesday, July 22, 2020 | History

2 edition of procedure for the effective recalibration of liquid-in-glass thermometers found in the catalog.

procedure for the effective recalibration of liquid-in-glass thermometers

Jacquelyn A. Wise

procedure for the effective recalibration of liquid-in-glass thermometers

by Jacquelyn A. Wise

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  • 15 Currently reading

Published by U.S. Dept. of Commerce, National Institute of Standards and Technology, For sale by the Supt. of Docs., U.S. G.P.O. in Gaithersburg, MD, Washington, DC .
Written in English

    Subjects:
  • Thermometers -- Calibration.

  • Edition Notes

    StatementJacquelyn A. Wise.
    SeriesNIST special publication ;, 819
    ContributionsNational Institute of Standards and Technology (U.S.)
    Classifications
    LC ClassificationsQC100 .U57 no. 819, QC271.8.C3 .U57 no. 819
    The Physical Object
    Paginationiii, 13 p. :
    Number of Pages13
    ID Numbers
    Open LibraryOL1322276M
    LC Control Number92198551

    [1] ASTM Annual Book of Standards, Volume , Standards Relating to Temperature Measurement (latest edition). [2] NIST Handbook , Specifications and Tolerances for Field Standard Thermometers (). [3] NIST SP , Liquid-In . This technical guide covers quality assurance aspects of the use of electronic balances and other weighing devices, including calibration, in-service checks and acceptance criteria, control charts, and check weights. Pressure Gauge Calibration. Technical Guide This technical guide outlines a method to calibrate a pressure gauge and.

    Thermometers (Liquid in glass) • Reference • Working Thermostatically Controlled Equipment (Incubators, water baths, ovens) Timers (Stopwatches) • Mechanical • The methods for the calibration of some of the above-mentioned equipment are attached as Appendices to Chapter 3: . WIKA Handbook WIKA Handbook Pressure & Temperature Measurement U.S. Edition Pressure & Temperature Measurement U.S. Edition WIKA Instrument Corporation Wiegand Boulevard Lawrenceville, GA Toll Free WIKA-USA () Tel () Fax () [email protected] • HB - 8/08 ©, by WIKA .

    Liquid-in-glass thermom- eters obviously require careful handling. The deformation thermographs also require delicate handling as any physical damage will alter the calibration. Solar Radiation Shields-The most serious problem encountered in environmental thermometry is radiation error, which can amount to several degrees Celsius at midday. Contents Acknowledgement . xvii Preface.


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Procedure for the effective recalibration of liquid-in-glass thermometers by Jacquelyn A. Wise Download PDF EPUB FB2

Title: A Procedure for the Effective Recalibration of Liquid-in-Glass Thermometers Author: J.A. Wise Subject: Thermmodynamics Keywords: bulb-volume change,ice bath,ice point,ITS,liquid-in-glass thermometer,recalibration,thermometer. Get this from a library.

A procedure for the effective recalibration of liquid-in-glass thermometers. [Jacquelyn A Wise; National Institute of Standards and Technology (U.S.)].

Wise, Jacquelyn, “A Procedure for the Effective Recalibration of Liquid-in-Glass Thermometers,” Special PublicationNational Institute of Standards and Technology, Gaithersburg, Maryland, Printer Friendly Version. Wise, Jacquelyn, “NIST Measurement Services: Liquid -In Glass Thermometer Calibration Service,” Special PublicationNational Institute of Standards and Technology, Gaithersburg, Maryland, Wise, Jacquelyn, “A Procedure for the Effective Recalibration of Liquid -in Glass Thermometers,” Special.

NIST publication NUST/SP "A Procedure for the Effective Recalibration of Liquid-in-Glass Thermometers" states that high quality liquid-in-glass thermometers require only one complete calibration in their lietime.

recalibration at intervals. Liquid-in-glass thermometers are unlikely to go out of calibration unless the column breaks and calibration certificates may be valid for ten years. Electronic thermometers should be re-certified at month intervals.

Calibration of thermometers and temperature loggers August Some misconceptions about calibra-File Size: KB. Thermometer Calibration Guide Nancy C. Flores, M.S. Elizabeth A.E.

Boyle, Ph.D., Associate Professor Kansas State University Agricultural Experiment Station and Cooperative Extension Service Temperature is a critical measurement for ensuring the safety and quality of many food products. There are a variety of commer-File Size: KB.

Available in the National Library of Australia collection. Author: Wise, Jacquelyn A; Format: Book, Microform; v, 56, [29] p.: ill. ; 28 cm. The NBS/NIST Special Publication series, first published as the NBS Miscellaneous Publication series, is comprised of material that, because of its character or size, does not fit into any of the other regular publication series.

The Miscellaneous. Several types of liquid-in-glass thermometers were devised, for instance, a thermometer with a very long graduated tube twisted in spiral shape (Fig. Galileo invented a curious thermometer, based on liquid density, the so-called sluggish thermometer, for its long response time (Fig.

This thermometer was composed of some glass. The simplest instruments from a calibration point of view are liquid-in-glass thermometers. The only parameter able to change within these is the volume of the glass used in their construction. This only changes very slowly with time, and hence only infrequent (e.g., annual) calibration checks are required.

(6) “A Procedure for the Effective Recalibration of Liquid-in-Glass Thermometers,” NIST Special PublicationUS Government Printing Office, ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in.

Chapter Twenty-one gives information on methods of temperature measurement in medicine using liquid-in-glass thermometers, thermistor thermometers, non. [1][2][3][4][5][6] Traditional devices for determining temperature change such as thermocouples, thermistors, and liquid-in-glass thermometers require the sensor to be in direct contact with the.

Recalibration of liquid-in-glass (LIG) thermometers: If a LIG thermometer is not used above °C or so, all significant changes in calibration will be due to changes in bulb volume, not to changes in the capillary [Cross et al, Maintenance, Validation, and Recalibration of Liquid-in-Glass Thermometers, NIST SP].

(We do not. Full text of "Thermometer calibration: a model for state calibration laboratories" See other formats. Db.1 Are the temperature measurement devices such as liquid-in-glass thermometers, thermocouples, and platinum resistance thermometers used in incubators, autoclaves, and other equipment of the appropriate quality needed to meet the specification in the test method.

temperatures of approximately to C ( to F). Liquid-in-glass thermometers generally may be used for temperatures ranging from to C ( to F), although special thermometers may be used at even higher temperatures. Types R and S thermocouples. Established inMiller & Weber is the only ISO registered manufacturer, designer and calibrator of precision liquid-in-glass thermometers in the United States.

It also has an ISO/IEC Guide accredited calibration laboratory for liquid-in-glass and bi-metal thermometers. A high-quality liquid-in-glass thermometer if handled with care should remain stable for some years.

Hygrometers must be calibrated in air, which is a much less effective heat transfer medium than is water, and many types are subject to drift so need regular recalibration.

A further difficulty is that most hygrometers sense relative humidity. For those that don’t notice, this is about metrology, not meteorology, though meteorology uses the final ogy is the science of measurement.

Since we had this recent paper from Pat Frank that deals with the inherent uncertainty of temperature measurement, establishing a new minimum uncertainty value of ± C for the instrumental surface .QSM Rev.Module 2, Section Table Thermometers and Pipettes Are liquid in-glass thermometers are calibrated against a NIST-traceable standard before the first use and annually?

QSM Rev.Module 2, Section Table and TNI EL .Use of a term in this book should not be regarded as affecting the validity of any trademark or service mark. International Standard Book Number: 10 9 8 7 6 5 4 3 2 1 www.