206 1100 Series WS MWS Reference Manual
6 Introduction to the Well-plate Sampler
Needle Flush Station
A needle flush station to wash the outer surface of the injection needle and a
peristaltic pump to deliver fresh solvent to the wash station. (The reservoir for
the solvent is located in the solvent cabinet, the waste is channeled by a
separate flex tube to a waste bottle.
Needle Lock
A needle lock is used to support the needle carrier in its function making a
firm seal of the needle in its seat.
The needle lock arm is driven by a stepper motor connected to the spindle
assembly by a toothed belt.
Tabl e 57 Injection-Valve Technical Data
Standard (0101-0921) Micro (0101-1050)
Motor type 4V, 1.2A stepper motor 4V, 1.2A stepper motor
Seal material Vespel™ or Tefzel™ Vespel™
Stator material Ceramic/PEEK Head coated SST
Number of ports 6 6
Switching time < 150 ms < 150 ms