5200 Multi Purpose and 5200 Multi Purpose HF Gas Analysers
05230001A / Revision 986
A6.4 Using the Multi Purpose with a flowmeter
Operate the Multi Purpose with the flowmeter as described in Sections 4 to 6 of this
manual, but with the exceptions noted below.
A6.5 Multi Purpose HF and standard Multi Purpose with a sample pump
Calibrate the Multi Purpose as described in Section 6.1, but:
• Connect the calibration gas supply to the sample gas inlet on the flowmeter
(Figure A2, item 3), not to the Multi Purpose.
• Use the flow control valve (Figure A2, item 4) to adjust the flow of calibration gas
into the Multi Purpose to the required flow rate.
Take sample readings as described in Section 6.2, but:
• Connect the sample gas supply to the sample gas inlet on the flowmeter (Figure A2,
item 3), not to the Multi Purpose.
• Use the flow control valve (Figure A2, item 4) to adjust the flow of sample gas into
the Multi Purpose to the required flow rate.
A6.6 Standard Multi Purpose without a sample pump
Calibrate the Multi Purpose as described in Section 6.1, but connect the branch on the
calibration ‘T’ piece to the sample gas inlet on the flowmeter (Figure A2, item 3), not
to the Multi Purpose.
Take sample readings as described in Section 6.2, but connect the sample gas supply
to the sample gas inlet on the flowmeter (Figure A2, item 3), not to the Multi Purpose.
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The flow rate of your calibration gas supply must be the same as the flow
rate of the gases to be sampled. If the flow rates are different, sample gas
measurements may not be accurate.
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