Tcd / Npd - Agilent Technologies 6820 Getting Started

Factory Plumbing

TCD / NPD

Back panel
DETECTOR
AIR
HYDROGEN
AUX GAS
CARRIER
FRONT
BACK
Figure 67 Thermal conductivity and nitrogen phosphorus detectors
114
Figure 67 shows the factory configuration for one TCD and one
NPD.
Internal regulators
Front inlet
Back inlet
Flow modules
Front TCD
AUX GAS
REF
Back NPD
AIR
HYDROGEN AUX GAS
Getting Started