3.2
Functions of Parts and Keys
1. LED DISPLAY
Shows flow volume, flow pressure, or pressure limit. Press the
mode selection key to switch from one mode to another.
2. Flow Volume LED
The LED Display will show flow volume when this LED is lit. By
pressing UP or DOWN key (8 and 9), the user can adjust the
flow volume.
3. Flow Pressure LED
The LED Display will show flow pressure when this LED is lit.
By pressing UP or DOWN key (8 and 9), the user can adjust the
flow pressure.
4. Pressure Limit LED
The LED Display will show pressure limit when this LED is lit.
By pressing UP or DOWN key (8 and 9), the user can adjust the
pressure limit. The pump will buzz when the flow pressure
exceeds the pressure limit set by the user.
5. Mode Selection Key
By pressing SET key (Mode Selection Key), the user can select
the desired mode (flow volume, flow pressure or pressure limit)
to show on the LED Display and make necessary changes with
the UP and DOWN keys.
6. Pump LED
This LED lights up when the pump is activated. It will blink
during the purging process.
7. Pump Start/Stop Key
This key activates and stops the pump. To activate the
emergency stop, press the key twice. It will blink when the
purge mode is activated.
8. Down Key
It decreases the number shown in the LED Display. The
number decreases faster when the key is pressed down.
9. Up Key
It increases the number shown in the LED Display. The number
increases faster when the key is pressed down.
10. Flow Outlet
The solvent flows out from this outlet. This outlet should be
connected with a tube to a column or detector.
11. Drain Outlet
This outlet is used to draw the solvent into the pump heads with
a syringe.
16. Flow Inlet
The solvent flows in from this outlet. This inlet should be
connected with a tube to a solvent container or a degasser.
17. RS1 Port (In)
It connects with any one of FLOM Gradient Controller 300 Series.
(Port type: RS-232C Inlet)
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