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5 CONFORMITY STATEMENT

Surface Profile Comparator for the Assessment of Abrasive Blast Cleaned
Surfaces Conforming to International Standard 8503 Part 1
This comparator conforms to the requirements of International Standard 8503-1
and is designed to define the grading specified in terms of 'FINE', 'MEDIUM' or
'COARSE'.
This comparator has been electroformed in high purity nickel from a mild steel
Master Coupon whose segments meet the requirements of ISO 8503-1 when
measured by the methods prescribed in ISO 8503-3 (Microscope Method) and ISO
8503-4 (Stylus Method).
All measurements were as defined in ISO 8503 Parts 3 and 4 with no deviations.
The measurements were performed and certified by
R.W. Green Consultants, Beaconsfield, England on 29.3.1984 and were
authenticated by the Paint Research Association, Teddington, England. It has
been manufactured from a specifically prepared and certified mild steel Master
Coupon submitted from Hodge Clemco Limited, Sheffield, England.
ISO
Seg
8503/1
No.
Spec
µm Hy
or Ry5
1
23-28
2
35-45
3
60-80
4
85-115
1
23-28
2
50-70
3
85-115
4
130-170
For the avoidance of doubt, please refer to the original English language version.
Please ensure that all packaging is disposed of in an environmentally sensitive manner. Consult your
local Environmental Authority for further guidance.
is a registered trademark of Elcometer Limited, Edge Lane, Manchester, M43 6BU. United Kingdom
R
All other trademarks acknowledged.
© Elcometer Limited 2009 - 2017. All rights reserved. No part of this document may be reproduced, transmitted,
transcribed, stored (in a retrieval system or otherwise) or translated into any language, in any form or by any
means (electronic, mechanical, magnetic, optical, manual or otherwise) without the prior written permission of
Elcometer Limited.
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Data from Microscope Method
ISO 8503/3
Actual
Mean
µm Hy
Deviation
of 20
Readings
MASTER COUPON - Shot S101
26.15
21.8%
35.65
16.1%
63.2
14.92%
96.45
17.03%
MASTER COUPON - Grit G201
24.95
20.76%
64.3
13.14%
103.95
17.8%
153.1
16.63%
Data from Stylus Method
Max Mean
µm Ry5
Deviation
33%
24.9
33%
39.06
33%
75.19
33%
98.28
33%
26.46
33%
62.7
33%
90.8
33%
147.71
TMA-0184 Issue 07 - Text with cover 4305
ISO 8503/4
Actual
Mean
Max Mean
Deviation
Deviation
of 10
Readings
9.07%
20%
8.16%
20%
8.0%
20%
11.62%
20%
11.45%
20%
7.91%
20%
7.09%
20%
11.42%
20%

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