PerkinElmer CLARUS 590 GC, User Manual

Page: 18 / 284

18 . Clarus 590 GC User’s Guide
Term Description
Equilibration The delay time after the method set points have been
reached before the system becomes READY.
Flameout PPC version only. Detects if the flame is on to prevent
injection into a nonfunctioning system and subsequent
loss of sample.
Isothermal
method
A method in which the oven temperature remains
constant throughout a GC run.
Method A collection of parameters that control the GC.
Negative-time
event
A timed event that you set to occur before the
instrument becomes READY.
Parameter An independent variable used to specify a condition to
be met.
PPC
 Programmable Pneumatic Control
Pre-run The time after equilibration during which negative-time
events are executed.
PreVent  PPC version only. Sample management system.
Range Range means amplification of the detector output
signal.
Ready Indicates that all method parameters have reached their
set points and that you can start your analysis.
Run The time from sample injection to the end of the oven
temperature program.
Sleep mode The GC can be set to a predefined method for gas
savings.
Temperature
program
PPC version only. A program that specifies the rate of
oven temperature increase from one plateau to the
next, and the time the oven temperature is held
constant at a plateau.
Timed Events Events that take place before or during a GC run as
specified in a timed events table.
Zone A heated area in the GC oven, injector, or detector.