Standard

NS-EN ISO 483:1999

Tilbaketrukket

Merknad: Denne standarden har en ny utgave: NS-EN ISO 483:2005

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Omfang

1.1 This International Standard establishes guidelines for the construction and use of enclosures with volumes less than 200 dm3, in order to obtain atmospheres of constant relative humidity at given temperatures, using saturated aqueous salt solutions, glycerol/water solutions or sulfuric acid/water solutions, for conditioning and testing plastics. It specifies the procedures to be followed to maintain the relative humidities of the conditioning and testing atmospheres within the required tolerances, at the temperatures specified by particular International Standards. Information is given concerning the methods of producing desired humidities in these enclosures at temperatures from 5 *C to 60 *C. The relative humidity values indicated are average values, in per cent, with permissible deviations of + 2. 1.2 The procedures described are intended for conditioning small quantities of materials prior to test, and for such tests as may be carried out entirely within a small enclosure, e.g. electrical tests. The guidelines described do not apply to enclosures requiring frequent opening.

Dokumentinformasjon

  • Standard fra SN
  • Publisert:
  • Tilbaketrukket:
  • Utgave: 1
  • Versjon: 1
  • Varetype: NAT
  • ICS 83.200
  • National Committee SN/K 609

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