Reference
97
Counters: Sprint iQ records the total number of tests
performed (both pass and fail) and number of rejects (fail
only). Running totals are displayed to operators in the
tested and reject boxes on the run display. Counters may
be cleared from the Program Mode Data Menu.
Coupling Port: The coupling port supplies air pressure to
product sealing fixtures or other external pneumatic
components.
Coupling Pressure: The air pressure supplied to external
fixtures. Coupling pressure must be greater than the test
pressure and the same as the incoming line pressure unless
additional pneumatic components are added.
Coupling Time: A delay timer used to apply a clamp or seal
to product under test before the product is filled with air.
Coupling time gives fixtures enough time to seal product
before Sprint iQ applies test pressure.
Crack Test: A crack test is setup to measure the pressure at
which a product, like a check valve, opens and allow air to
flow through. It is used with parts that do not open quickly
enough to cause a drop in the upstream pressure. An
optional downstream sensor is required to measure a
device that opens very slowly. Crack testing differs from
burst testing because the product does not suddenly drop
to zero pressure as in a burst test.
Creep Test: A creep test is setup to verify that a part can
withstand a minimum proof pressure. The minimum burst
and maximum burst values are set to the same pressure.
This tells Sprint to redefine the pass/fail criteria. If the
ramping pressure during the test reaches this value then
the part is considered good.
Decay Test: A test type which may be either a pressure decay
or vacuum decay test.
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