Module Unit Operating Procedure - Hitachi L-2100 Instruction Manual

Washing solution
System power supply
unit
Model L-2100/
2130 pump
2.5.5 Module Unit
Operating
Procedure
(3) High-Pressure Gradient System
Connect the inlet tube of eluent to the IN port of the
degasser. Connect the OUT port of the degasser to the IN
port of the pump. Connect the drain valve of the pump to
the mixer. Connect the mixer of the pump to port 1 of the
injection valve of the autosampler. Connect port 2 of the
injection valve to the column inlet. Connect the column
outlet to the inlet tube of the detector cell.
For washing solution, provide connection to port 1 of the
syringe valve of the autosampler through the degasser.
Column
Inlet tube
Eluent
Drain valve
Where the chromato data station is not used for controlling
operations, each module can be operated using the optional UI
pad.
This section describes how to use the UI pad for operations.
The UI pad is provided with common control keys available for
different modules and unique control keys for particular modules.
The functions of the common control keys are mentioned below.
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Detector cell
Model L-2400 UV detector
Model L-2300 column oven
Injection valve
Syringe valve
Model L-2100 pump
Drain
2.5.5