6 PERFORMING THE TEST
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en-6
R
Do not exceed the maximum pressure as overloading could damage the gauge.
4 The rate at which the force is applied
(the speed of rotation of the crank handle)
should be in accordance with the relevant
Standard.
(a) the coating fails and the dolly is removed from the surface
(destructive testing) or;
(b) the minimum specified pressure value is reached
(non-destructive testing)
2 Select the dolly size, see Section
9.4 on page en-9.
Continue until either;
4 Record the pressure indicated on the display and unwind the
crank handle and coarse adjustment screw.
(a)
3 Hold the gauge steady with one
hand and turn the crank handle
clockwise slowly and evenly to
apply an increasing force to the
dolly and hence stress to the
coating.
1 Select the measurement units;
or , see Section 9.3
MPA
PSI on page
en-9.
Note: Dollies can be reused after cleaning until either the top of the dolly where it is
held in position by the quick connect coupling is severely deformed or the dolly
surface is no longer flat. Additional dollies are available from Elcometer or your
local supplier - see Section 11.1 on page en-10 for details.
MAX
a
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