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Run Display – Main Digital Readout
The main digital readout (at the center of the run display) shows various
values depending on test mode and test phase.
Readout in Pressure Decay Mode
Before START is pressed for the first time, the readout shows zero with
the pressure resolution of the tester (typically 0.000 psig)
When START is pressed, the readout continues to show zero during
couple, fill, and stabilization times. The readout begins to show the
amount of decay when the tester goes into test phase and holds the total
amount of pressure drop at the end of test time. The last reading made
during test time is held on the main digital readout until START is pressed
again to begin another test. Figure 27.
Readout in Flow Mode
Before START is pressed for the first time, the readout shows zero with
the flow resolution of the tester (typically 0.00). The readout continues to
show zero during couple and fill times. The readout shows the amount of
air flow when Sprint LC goes into test phase and holds the flow rate
recorded at the end of test time. The last reading is held until START is
pressed again to being a new test.
Readout in Burst Mode
Before the START switch is pressed for the first time, the readout shows
zero with the pressure resolution of Sprint LC (typically 0.000 psig). The
readout continues to show zero during couple time. When the tester goes
into test phase, the readout shows the slowly building pressure increase.
When Sprint LC senses a pressure drop caused by the burst, the readout
holds the last value (peak pressure) immediately before the drop. The peak
value is held until START is pressed again to begin a new test.
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