Teledyne GC-Pro/TCD - Gas Chromatograph - Manual (Page 43)

GC-Pro TCD Installation
Teledyne Analytical Instruments 29
Parity none
Stop Bits 1
Message Interval Sent at the end of each cycle.
3.3.3 Gas Connections
The analyzer gas connection diagram identifies the various gas
connection points as to function and location. Figure 3-1 shows the gas
connection points for instruments fitted with the optional auto
calibration module.
Figure 3-3: Gas Connections
Gas connections to the instrument are made at the 1/8”or 1/4”
stainless steel tube fittings provided on the rear panel. Note that the
optional purge and sensor vent fittings are 1/4” while all other gas
connections are 1/8”.
Before tubing is connected to the system, it must be decontaminated
to eliminate any hydrocarbon deposits. Using a small torch, heat each
length of tubing while passing nitrogen through it until it glows red.
Begin at the nitrogen source end and proceed down the length of the