Tcd / Tcd - Agilent Technologies 6820 Getting Started

Factory Plumbing

TCD / TCD

Back panel
DETECTOR
AIR
HYDROGEN
AUX GAS
CARRIER
FRONT
BACK
Figure 58 Dual thermal conductivity detectors
104
Figure 58 shows the factory configuration for two TCDs.
Internal regulators
Front inlet
Back inlet
Installation notes
• To use the same carrier for both inlets, join the carrier lines
externally with a tee.
Flow modules
Front TCD
AUX GAS
REF
Back TCD
AUX GAS
REF
Getting Started