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Knauer WellChrom HPLC-Pump K-501 Bedienungsanleitung Seite 12

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12
If you are trying to change the flow rate while the instrument is
in one of the external control modes, appears for about 2
seconds the error message:
EXTERNAL mode!
The changed value is not accepted by the system.
Displays the current system pressure inquiry. It is not free for
P:
manually changes
Start field for setup menus, accessible by pressing the ► key
once
You can scroll the menus using the ▲ and ▼ keys. The menus
will now be described in that order as the appear when
scrolling with the ▲ key.
Displays the current delivery status
ON
ON:
delivery switched on
OFF:
delivery switched off
PUR:
PURGE function active
STP:
delivery switched on, STOP active
Displays the minimum pressure value P
P•:
(„00" = monitoring function not set).
Firstly move the cursor using the ► key to the P•-field. By
pressing the ▲ or ▼ key once, the cursor moves to the first
digit of the P•-field. Further pressings the ▲ or ▼ keys change
the value. The set value will be confirmed and saved by
pressing the ► key.
Displays the maximum pressure value P
P•:
Proceed any change in the same manner as already described
for the „P
Flow ranges
Flow: 0-10
This display is only an informative one. It cannot be changed directly.
Dependent on the selected pump head it shows the possible working ranges:
Table 2 Flow rate and pressure ranges
pump head
10 ml ceramics
10 ml stainless steel
10 ml PEEK
50 ml ceramics
50 ml stainless steel
50 ml PEEK
" value
min
ml/min
P: 0-40
MPa
flow rate
[ml/min]
SETUP and HELP menus
for automatic cut-off,
min
for automatic cut-off
max
P [MPa]
0 -10
0 - 40
0 -10
0 - 40
0 - 10
0 - 25
0 - 50
0 - 15
0 - 50
0 - 15
0 - 50
0 - 15

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