207
Introduction to the Autosampler
Sampling Unit
Sampling Unit
The sampling unit comprises three main assemblies; needle drive,
metering device, and injection valve.
NOTE The replacement sampling unit excludes the injection valve and metering
head assemblies.
The sampling units for the standard, the thermostatted, the micro and the
preparative autosamplers are different.
Figure 35 Autosampler Sampling Unit
Metering device
Injection valve
Needle drive