Lot de filtres Lovibond rouge, jaune, bleu

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Numéro d'ordre 139620

A set of five glass conformance filters for checking PFXi instruments in Lovibond RYBN scale.

Conformance filters are assigned a nominal value and the company always endeavours to match this value as closely as possible. On occasion, because of the unique manner of the glass making process, it may not be possible to match the requested values exactly. The values achieved and the performance tolerances expected will, of course, always be reported.
Glass Standard Values Valeurs approximatives :
1,0R 0,5B,
1,3R 0,8B,
1,2R 4,3Y 1,2B,
2,6R 11,5Y 2,1B,
3,4R 15,9Y 2,9B
Filters 5
  • Lovibond RYBN 1.0R 0.5B filter
  • Lovibond RYBN 1.3R 0.8B filter
  • Lovibond RYBN 1.2R 4.3Y 1.2B filter
  • Lovibond RYBN 2.6R 11.5Y 2.1B filter
  • Lovibond RYBN 3.4R 15.9Y 2.9B filter
  • Certificate of conformity.