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Installation restrictions
The FPD burner module has two heated zones, one for the detector body
and one for the transfer line.
A single wavelength FPD can be mounted in either the front or back posi
tion. In the front position, it uses the Front Det and AUX 1 heaters. In the
back position, it uses the Back Det and AUX 2 heaters. A second detec
tor possibly another FPD can be mounted in the unused position.
A dual wavelength FPD simultaneous detection of sulfur and phospho
rus must be mounted in the back position, where it uses the Back Det
and AUX 2 heaters. A second detector cannot be mounted.
Installing drip tubing
The FPD generates considerable water vapor while operating. To keep this
out of the instrument electronics, it is essential that drip tubing (HP part
no. 19256-20730) be connected to the exit tube on the top of the detector
and run to a drain or collection bottle. This tubing must run downhill,
with no valleys" in it where water could accumulate, and the end of the
tubing must be above the water surface..
Compatibility requirements
If a single wavelength FPD is to be used with an HP ChemStation, the
ChemStation must have version 4.02 or higher software.
If a dual wavelength FPD is to be used with an HP ChemStation, the
ChemStation must have version 5.01 or higher software.
Heating the detector
The software automatically sets the AUX heater to the same setpoint as
the Det heater. You do not have to contend with two separate entries.
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