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Operating Manual 57
PKD Packed Column Injector
PN part number
PPKD Purged Packed Column Injector
psi pounds per square inch
PTV Programmable Temperature Vaporizing Injector
R
RAM random access memory
RF radio frequency
ROM read-only memory
RS-232 industry standard for serial communications
S
s second
S/SL Split/Splitless Injector
sag See surge
slow average A gradual, long-term change in average RMS voltage level,
with typical durations greater than 2 s.
SOP Standard Operating Procedures
source current The current needed to ignite a source, such as a detector
lamp.
surge A sudden change in average RMS voltage level, with typical
duration between 50 µs and 2 s.
T
TCD Thermal Conductivity Detector