Dionex As - Page 20

AS Autosampler Operator’s Manual
8 Doc. 065051-03 1/08
Front Panel
The front panel contains a liquid crystal display (LCD) and membrane keypad
(see Section 2.2
). The front panel permits manual control of AS functions.
Power Switch
The power switch is in the lower left corner of the AS. The switch functions only
when the door is fully closed.
Autosampler Compartment
The autosampler compartment contains a stationary sample tray and an XYZ
sampling needle arm that moves from vial to vial during operation (see
Section 2.3
). The compartment also contains an inject port, flush port, and waste
port. Valves for sample injection or for diverting sample flow to different systems
can optionally be included.
Syringe and Reservoir Organizer
The organizer on top of the autosampler holds the sample syringe, the flush liquid
reservoir, and the optional prep syringe and reagent reservoirs. See Section 2.3.1
for details.
Options
• Sample Preparation: When this option is installed, the AS can perform
sample preparation functions such as diluting standards or dispensing
reagents. See Section 2.3.1
for details.
• Sample Temperature Control (not pictured): When this option is installed,
the AS provides uniform heating and cooling of the sample tray. See
Section 2.3.7
for details.
• Simultaneous Injection (not pictured): When this option is installed, the AS
can deliver sample to two independent ion chromatography (IC) systems
simultaneously. See Section 3.6.9
for details.
• Sequential Injection (not pictured): When this option is installed, the AS can
deliver sample to two independent ion chromatography (IC) systems
alternately.
• Concentrator Injection (not pictured): When this option is installed, the AS
can load sample to a Dionex ultra-low pressure concentrator column. See
Section 2.3.10 for details.