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Helium gas thermometer: Calibrated at three fixed points in this range and interpolated in a specified way. [11] 13.8033 1234.93 11 Platinum resistance thermometer: Resistance calibrated at various fixed points and interpolated in a specified way. Eleven distinct calibration procedures are specified. [8] 1234.93 3 Radiation thermometer
B40.200 provides guidelines for bimetallic-actuated, filled-system, and liquid-in-glass thermometers. It also provides guidelines for thermowells. PTC 19.3 provides guidelines for temperature measurement related to Performance Test Codes with particular emphasis on basic sources of measurement errors and techniques for coping with them.
It standardises accreditation practices and procedures, recognising competent calibration facilities and assisting countries developing their own accreditation bodies. [2] ILAC originally began as a conference in 1977 to develop international cooperation for accredited testing and calibration results to facilitate trade. [ 51 ]
NIST had an operating budget for fiscal year 2007 (October 1, 2006 – September 30, 2007) of about $843.3 million. NIST's 2009 budget was $992 million, and it also received $610 million as part of the American Recovery and Reinvestment Act. [18] NIST employs about 2,900 scientists, engineers, technicians, and support and administrative personnel.
The formal definition of calibration by the International Bureau of Weights and Measures (BIPM) is the following: "Operation that, under specified conditions, in a first step, establishes a relation between the quantity values with measurement uncertainties provided by measurement standards and corresponding indications with associated measurement uncertainties (of the calibrated instrument or ...
Resistance thermometers, also called resistance temperature detectors ... A common fixed-point calibration method for industrial-grade probes is the ice bath. The ...
ISO/IEC 17025 General requirements for the competence of testing and calibration laboratories is the main standard used by testing and calibration laboratories. In most countries, ISO/IEC 17025 is the standard for which most labs must hold accreditation in order to be deemed technically competent.
A thermometer is a device that measures temperature ... The NIST Industrial Thermometer Calibration Laboratory Archived 2016-07-22 at the Wayback Machine;
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