5200 Multi Purpose and 5200 Multi Purpose HF Gas Analysers
05230001A / Revision 9
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7.4 Use of the Multi Purpose for carbon monoxide measurements
If you use the Multi Purpose for carbon monoxide sample measurements, you must
regularly leak-test the Multi Purpose and the associated sample/vent lines or system.
We recommend that you leak-test the Multi Purpose at least once every 6 months:
• If there are leaks within the Multi Purpose, it must be returned to Servomex for
repair. Do not continue to use the Multi Purpose.
• You must seal any leaks in your sample/vent lines or system.
When you leak-test, ensure that you do not exceed the maximum pressure, and do not
increase the pressure in the Multi Purpose too quickly (see the caution above): we
recommend that you allow at least 30 seconds to fully pressurise the Multi Purpose to
the maximum pressure.
WARNING
If you sample carbon monoxide, the quantity of gas sampled by the
Multi Purpose may be above the short term exposure limit for carbon
monoxide, and so the sample should be considered to be toxic. You must
regularly leak-test the Multi Purpose and associated equipment. If leaks
are found, do not continue to use the analyser or associated equipment
until the leaks have been sealed.
CAUTION
When you carry out a leak test, do not exceed a maximum pressure of 34.5 kPa
gauge (5 psig, 0.35 bar gauge) and do not introduce a sudden change of
pressure into the Multi Purpose. If you do, you can damage it.
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