Reference Block No.1 (EN ISO 3452-3)

Reference Block No.1 (EN ISO 3452-3)
Category: Liquid penetrant inspection
Model: Reference Block No.1 (EN ISO 3452-3)
Manufacturer: Helling-ndt
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Product Description

The Type 1 Reference Block for testing sensitivity of fluorescent and visible penetrant systems consists of 4 nickel-chrome plated panels with 10, 20, 30 and 50 μm thickness of plating respectively.
The panels with cracks’ depth of 10, 20 and 30 μm are used for determination of the sensitivity of fluorescent penetrant systems.
The sensitivity of visible (contrast) penetrant systems is determined by using the 30 and 50 μm plated panels.
The Type 1 panels are rectangular in shape with typical dimensions of 35 x 100 x 2 mm Transverse cracks are made in each panel by stretching the panels in the longitudinal direction. The width to depth ratio of each crack should be approximately 1:20.
A declaration stating conformance to EN ISO 3452-3 and in line with EN 10204, Type 3.1 B shall accompany each reference block.



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