LS User Manual 35
9.0 SETTING UP A NEW TEST
9.1 PRE-DEFINED TEST SETUPS
The LS is supplied with three pre-dened test setups and one for new test setups, these are:
LIMIT_TEST A test which is carried out to a limit. The limits are dened in mm or inches,
% elongation (after setting gauge length), Newtons, Kg force, lbs force, Mega
Pascal’s Mpa (have entered the sample dimensions), Kg force per mm² and lb
force per inch²
CYCLE_TEST A cycle is from home to a limit (as set out above) and back to home. If when
the test starts the crosshead is not at the home position, it will move to the
home position rst before going to the limit position. The machine can be set
to perform up to 10000 cycles per test.
BREAK_TEST A Break Test will either, stop at a limit as described above or when a break is
detected. There are 2 types of break detector. A % break detector which
detects when the load has dropped to 50% of the maximum peak load
detected and sharp break detector. The sharp break detector operates when
there has been a sharp change in load or direction between one load reading
and the next.
NEW_TEST Is a user dened test rather than one of the default settings which are detailed
on the next page.
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