Pyrolyzer Module Detection System; Pyrolyzer Fan - Honeywell Vertex Operating Manual

1.7 Pyrolyzer Module Detection
System
The pyrolyzer module is similar to the standard
Chemcassette module except that it detects
®
nitrogen trifluoride (NF3). The sample passes
through a high temperature heater (pyrolyzer) which
converts the NF to hydrogen fluoride (HF). The
3
hydrogen fluoride is then detected with a standard or
XPV mineral acids Chemcassette
is identical to the Chemcassette
The correlation algorithm between HF and NF
is programmed into the module so the monitor
displays the NF concentration.
3
The Vertex pyrolyzer module detects NF
cannot be bypassed to detect mineral acids.
The right filter compartment houses eight particulate
filters and one acid scrubber, which are identical to
the standard Chemcassette
compartment houses eight charcoal filters which
remove the following compounds:
Freon 12
Freon 13
Freon 21
Freon 113
Freon 114
Freon is a registered trademark of E.I. du Pont de Nemours
®
& Company (DuPont).
Vertex Technical Handbook
V
tape. Detection
®
module.
®
only and
3
filters. The left filter
®
Freon 116
HF
HCl
Cl
2
ertex 72-Point Continuous Monitor
TM
The charcoal filters may also remove other
compounds. Contact Honeywell Analytics for a
complete list. Charcoal filters have a part number
(P/N 1874-0139) unique to the pyrolyzer module.
The Vertex Pyrolyzer requires two adjacent slots
on one tier and always occupies Slot 1 and 2. The
bottom rail and latch must be removed from slot 1
to install pyrolyzer.

1.7.1 Pyrolyzer Fan

The Pyrolyzer has a fan that provides cooling to
the pyrolyzer.
3
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