Varian 969-8988 Bedienungshandbuch Seite 94

–
Press the MEASURES push button: the display
shows:
P = 5 0 W
T = 4 5
LS
AG
VACUUM TECHNOLOGIES
COUNTERS
increase
decrease
LOW SPEED
Turbo-V 81-AG
where
P = is the DC power drawn by the pump (range 0 to
999 Watt)
Hz = is the rotational speed of the pump as a
function of the controller output frequency
°C = is the temperature of the outer ring of the
upper bearing (range 00 to 99 °C)
–
Pressing MEASURES key twice, the following
screen page is displayed:
N O R M A L
I = 1 . 2 0 A
Where:
I is the current supplied by the controller to the pump at
that precise moment.
V is the voltage at which the controller is powering the
pump at that moment
1 3 5 0 H z
° C
R1
R2
MEASURES
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START/STOP
1 3 5 0 H z
V = 4 2 V
–
Pressing the MEASURES key three times, with the
GAUGE connected and functioning, the following
screen page is displayed:
P = 5 0 W
7 . 4 E
LS
AG
COUNTERS
increase
decrease
LOW SPEED
Where:
mBar shows the pressure value measured
The following messages may be displayed instead of
the pressure:
GAUGE ERROR: indicates that the GAUGE is not
present or is not working
PRESSURE UNDER: indicates that a pressure
below the minimum threshold set has been
measured (5x10
PRESSURE OVER: indicates that a pressure
exceeding the maximum threshold set has been
measured (1x10
90
TECHNICAL INFORMATION
1 3 5 0 H z
- 0 5 m B a r
R1
R2
VACUUM TECHNOLOGIES
MEASURES
next
menu
previous
START/STOP
Turbo-V 81-AG
-9
mBar)
3
mBar)
87-900-986-01 (C)