Chapter 3 – Start-up and settings
UM-23100B-U User manual ATEQ F CLASS Page 23/90
2.2.2. Blockage test mode
The blockage mode is used for rough measurement of a flow, based on measurement
of back pressure.
The standard pressure limits are used to
classify the result as good or bad. The
cycle only contains the fill phase and the
reading is carried out during this phase.
If the pressure measured is below the
minimum limit, then the flow is too large.
If the pressure measured is in excess of
the maximum limit, then the flow is too
small.
LOW
THRESHOLD
GOOD
PARTS
HIGH
THRESHOLD
PRESSURE
2.2.3. Desensitised mode test
This mode is used for the measurement of large leaks, when the reject level required is
above 500 Pa.
The unit used during the reading of the pressure drop in desensitised mode is the unit
which is used for the display of the test pressure (identical resolution). The limits will
also be indicated in this unit.
)Calibration may not be used in this mode.
2.2.4. Operator mode test
This type of test means that the operator can carry out operations on the part whilst
under test, then to confirm these operation using a "START" key if the operator
test is good, or "RESET"
key if the test is fail.
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