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Flaw Detector eddy Current VIT-4

(Equipment / Material)
Model Number: ВИТ-4
Condition: New
Location or Storage Country: Russia
Service Engineering Support: Yes
Warranty: No
Price: Call for price
VIT-4 eddy-current flaw detector is intended for measuring the depth of surface defects such as slots in objects made of ferromagnetic steels, as well as for detecting and evaluating the depth of surface cracks on products made from ferromagnetic and non-ferromagnetic steels and from alloys based on non-ferrous metals.

VIT-4 can be used to detect continuity defects (cracks, hairlines, sunsets, etc.) that have an exit to the surface, as well as to detect defects on flat and curved surfaces, both with finishing and with high roughness, and also under a non-metallic coating.


1. Threshold of sensitivity:
the minimum depth of cracks detected on the surface without coating is at least 5 mm long with a surface roughness Ra of up to 3.2 μm, 0.2 mm
Note: Reliable crack detection requires an arrow deflection of at least 4 divisions. scales and obligatory operation of the light indication.
2. Range of measurements of the depth of surface defects
type of slot, mm from 0.2 to 2.0
3. The limits of the permissible absolute error of measuring the depth H of the surface defects of the type of slot, mm ± (0.3 × Н + 0.05)
4. Overall dimensions of the flaw detector, mm, no more than 150x115x60
5. The mass of the flaw detector with a converter and
with battery, kg, not more than 0.55
6. Operating voltage of the flaw detector, V from 6 to 9
7. Current consumption, mA, no more than 20
8. Mean time between failures, h, at least 5000

KO-St control samples included in the flaw detector delivery set have the following technical characteristics:
1. Nominal values and limit deviations of the depth of artificial defects, mm
1 defect (0.2 + 0.1)
2 defect (0.5 + 0.2)
3 defect (1.0 + 0.3)
4 defect (2.0 + 0.4)
5 defect (4.0 + 0.5)
The actual depth value of each artificial defect is plotted on the surface of the sample.
2. Width of artificial defects, mm from 0.1 to 0.2
3. The roughness of the working surface of the sample Ra, microns, not more than 3.2
4. Sample material - structural carbon steel grade 45 according to GOST 1050.

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