Waters 717plus - 1.3 Components and Subsystems

Components and Subsystems 31
1
1.3 Components and Subsystems
This section describes the components and subsystems of the Waters 717plus
Autosampler (Figure 1-2
):
• Front Panel – Contains a display screen, keypad, and function keys, and provides
access to the control system.
• Autosampler Controller – Contains a microprocessor and memory for controlling all
autosampler components.
• Sample Transport System – Positions sample vials under the injector.
• Fluid Pack – Contains all components involved in directing mobile phase and sample
to the column. Performs purges and mobile phase compression tests.
• Injector – Withdraws the sample (aliquot) from the sample vial, and performs an
injection into the mobile phase.
• Syringe – Draws samples and compresses the mobile phase during testing.
• Needle Wash System – Cleans the outside of the needle to prevent
cross-contamination of samples.