Box Isovision-Abralux ASTM-ISO

Standard
UNI EN ISO 10545-7 
ASTM C 1027-99 (2004)
Description
The ISOVISION instrument is especially made to check the level of  abrasion on glazed ceramic tiles. The inside of the instrument is painted in “neutral grey” as requested to the standards.To do the test, place the ISOVISION instrument in a dark room, and put inside at center trh abrased tile of 100x100 mm surrounded by 8 tiles with the same dimension but not abrased. Write on the marked face the r.p.m. corresponding to the abrasion made. Observing the tile specimen from a distance of 2 m and an high of 1,65 m it is possible to see the difference between the tile abrased and the other tiles not abrased. To ensure that the test is true, the witness of at least three observers is required.
Technical Specifications

Fluorescent lamp 6000 ÷ 6500 °K - illuminance of 300 lx.

Supply: 240 V - 50 /60 Hz single phase.

Equipment

Digital luxmeter

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