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THE RELATIONSHIP BETWEEN HUMIDITY CALIBRATION STANDARDS AND STANDARDS FOR ENVIRONMENTAL TESTING.

Author(s) : PRAGNELL R. F.

Type of article: Article

Summary

DISTINGUISHES BETWEEN MEASUREMENT STANDARDS AND TEST STANDARDS. LOOKS AT THE DEVELOPMENT OF HUMIDITY MEASUREMENT STANDARDS AND THE ACCURACY OF PRIMARY HUMIDITY STANDARDS ON WHICH THE MEASUREMENT OF HUMIDITY IS BASED. CONCENTRATES ON THE USA NATIONAL BUREAU OF STANDARDS (NBS) PRIMARY HUMIDITY STANDARD AND THE UK NATIONAL PHYSICAL LABORATORY (NPL) STANDARD. TREATS THE PRINCIPLES OF OPERATION OF THE MOST COMMON HYGROMETERS IN THE UK AND POINTS TO UNCERTAINTIES IN CALIBRATION. DEMONSTRATES HOW IMPOSSIBLE IT IS TO MEET THE HUMIDITY CONDITIONS CURRENTLY SPECIFIED IN SOME TEST STANDARDS. (INT. BUILD. SERV. ABSTR., GB., 23, N 6, 1988, 21, 88-01853.

Details

  • Original title: THE RELATIONSHIP BETWEEN HUMIDITY CALIBRATION STANDARDS AND STANDARDS FOR ENVIRONMENTAL TESTING.
  • Record ID : 1989-1656
  • Languages: English
  • Subject: Regulation
  • Publication date: 1988
  • Source: Source: Environ. Eng.
    vol. 1; n. 1; 3 fig.; 2 tabl.
  • Document available for consultation in the library of the IIR headquarters only.

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