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Dionex VWD Operator's Manual
fixing the leak and drying the sensor, clear the
Section
2.2.3
Flow Cells
A flow cell is not included with the Dionex VWD and must be
specifically ordered. Dionex offers two PEEK cells for use with the
Dionex VWD:
•
The standard (analytical) flow cell (P/N 066346), with a volume of
11
separator columns and flow rates of 0.5 to 5.0 mL/min.
•
The semi-micro flow cell (P/N 6074.0300), with a volume of 2.5
is designed for microbore applications with 2-mm ID separator
columns and flow rates up to 1.0 mL/min.
The flow cells are optimized for fast separations with no loss in
chromatographic resolution. An identification chip is installed in each cell
at the factory. The chip stores unique information about the cell, including
the cell type and the serial number. When the cell is installed, a contact on
the flow cell's rear panel connects the chip to the detector electronics. The
detector downloads the information to Chromeleon, where it is used for
System Wellness and Predictive Performance functions (see
Section
The flow cells are equipped with a built-in heat exchanger. The heat
exchanger helps adapt the temperature of the solvent to the flow cell
temperature before the solvent enters the flow cell. The total heat
exchanger volume is 8.8
micro cell.
Do not operate either the standard or semi-micro flow cell without
flow for more than 5 minutes while a lamp is on. The heat from the
lamp may damage the PEEK cell.
The detector is shipped with a dummy cell. Before initial operation of the
detector, replace the dummy cell with the flow cell. See
flow cell installation instructions.
Do not use the standard or semi-micro flow cell with normal phase or
chlorinated solvents; these solvents will damage the PEEK cell.
12
4.2).
L, is designed for standard bore applications with 3- to 4-mm ID
2.6.2).
L for the standard cell and 5
LED (see
ALARM
L for the semi-
Section B.4
Doc. 065377-01 1/12
L,
for
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