Chapter 3 – Start-up and settings
UM-18400E-U ATEQ F580 User manual Page 45/168
4.3.2. 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
4.3.3. 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.
4.3.4. 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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