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Fig. 25Display vacuum measurement
NOTE!
The Wöhler MR 400 only indicates a negative
pressure in the system. If the system pressure is
above the ambient pressure,
appears as pressure display
The display shows
Line 1:
Refrigerant
Line 2:
Timer: elapsed time, since start of vacuum meas-
urement (hours:minutes)
NOTE!
After calling up the vacuum menu, the timer basi-
cally starts counting. The colon between hours
and minutes flashes.
Line 3:
Left: Vacuum share in %
Right: current negative pressure in the system
NOTE!
The displayed vacuum percentage is not a precise
measured value, but serves only for estimation.
Measurement menus
- - - -
.
EN
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