22
Operation
P 2.1S/P 4.1S user manual V6870, version 3.1
Control
The pump can be operated in two ways:
Using the buttons at the device
Using the software ClarityChrom
®
or ChromGate
®
Note:
Operator errors and clogged capillaries can cause high pressure spikes.
The status display shows the flow rate and also the pressure for pumps with
pressure sensor.
Keypad
The keypad consists of 3 keys, which allow monitoring the device or changing
the settings.
Setting the Flow Rate
In case of the pump without pressure sensor the actual required flow rate is
dependent on the resulting counter pressure. The absolute deviation is depen-
Process
Figure
1. Prime liquid with the syringe.
2. Hold down start/stop key until
flushing starts.
Fig. 9
Status display
Legend
1
Pressure in 0,1 MPa
2
Flow rate in ml/min
Figure
Function
Fig. 10
Arrow keys
Press both keys simultaneously to scroll.
Press any of the arrow keys to set values and to change
settings.
Fig. 11
Start/stop
key
Starting and stopping the pump.
Flushing the pump.
1
2
