TQC SP7316, Руководство пользователя

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STEEL SURFACE ROUGHNESS COMPARATOR
LD2040, LD2050
1 PRODUCT DESCRIPTION
Comparison standard according to ISO 8503 part 1 made of quality steel. Indicates the
surface condition of blasted steel according to ISO 8503 in grades of fine, medium,
and coarse.
1.1 Specifications
LD2040 - Surface Roughness Comparator for Grit Blasting
LD2050 - Surface Roughness Comparator for Shot Blasting
Material
: High purity nickel
Width : 85mm
Height : 85mm
The comparator has been reproduced from a specially prepared and numbered master block
2 STANDARDS
ASTM D 4417 Method A, ISO 8503-1
3 WHAT’S IN THE BOX?
The Surface Roughness Comparator comes in a sturdy leather wallet.
4 PERFORM A MEASUREMENT
By placing the appropriate comparator (G for Grit, S for Shot) against a blast cleaned surface, the finish achieved
can be compared against the four sections of the comparator. It is then a simple matter to identify (by sight and
touch) the standard surface:
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Fine grade equal to or above segment 1 but below segment 2
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Medium grade equal to or above segment 2 but below segment 3
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Coarse grade equal to or above segment 3 but below segment 4
5 MAINTENANCE
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Always keep the instrument in its case when not in use.
6 DISCLAIMER
The right of technical modifications is reserved.
The information given in this manual is not intended to be exhaustive and any person using the product for any
purpose other than that specifically recommended in this manual without first obtaining written confirmation
from us as to the suitability of the product for the intended purpose does so at his own risk. Whilst we
endeavour to ensure that all advice we give about the product (whether in this manual or otherwise) is correct