5200 Multi Purpose and 5200 Multi Purpose HF Gas Analysers
05230001A / Revision 9
87
APPENDIX
A7 OPTIONAL SAMPLE CONDITIONING PANEL
A7.1 Overview
The optional sample conditioning panel allows for use of the Multi Purpose to measure
the oxygen content of wet gas samples, for example on a spot-check basis (when
close control of boiler efficiency is not required), or while carrying out boiler
performance surveys.
Refer to Figure A3. If you order this option, the sample conditioning panel (2) will be
supplied fitted to the side of the Multi Purpose (1).
During sampling, sample gas passes through the catchpot (6), and then the drier (3,
which contains a drying agent), before passing into the Multi Purpose.
You must drain the catchpot when necessary (see Section A7.7) and you must
regularly regenerate or replace the drying agent (see Section A7.8).
A7.2 Specification
+
A drying tube is not supplied if your Multi Purpose has the sample
conditioning panel fitted, as the panel has an integral drier.
Response time *
Standard oxygen sensor 60 seconds
Industrial or high accuracy
oxygen sensor
65 seconds
IR (infrared) sensor 130 seconds
Sample gas temperature
†
Ambient temperature ± 10
o
C/18
o
F
Sample gas inlet
#
Suitable for 4 mm inside diameter tube
Drying agent Indicating silica gel
* The response times are approximate and are those necessary to reach 90% of
final measurement, with indicating silica gel as the drying agent. If required, you
can use calcium sulphate as the drying agent (see Section A7.8), to reduce
response time to approximately 50 seconds.
† For maximum operating life and efficiency.
# On the sample conditioning panel (Figure A3, item 7).
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