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Teledyne 2120 - Trace Nitrogen in Argon Analyzer User Manual

Page 27

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Trace Nitrogen in Argon Analyzer

Operational Theory

CAUTION:

IT IS THE RESPONSIBILITY OF THE END-USER TO
PROVIDE A SUITABLE SAMPLE SYSTEM CAPABLE OF
DELIVERING CLEAN, PARTICULATE-FREE ARGON
THAT IS AIR AND MOISTURE FREE.

EQUIPMENT DAMAGE MAY RESULT IF THE
ANALYTICAL CELL IN THIS UNIT IS EXPOSED TO
EXCESSIVE PRESSURE, CAUSING IT TO BREAK OR
SHATTER. TO PREVENT THIS, NEVER EXCEED 6
PSIG (41 KPA) ON THE ANALYTICAL CELL.

DO NOT REMOVE THE FLOW CONTROL ORIFICE
FROM THE SAMPLE INLET OF THE ANALYZER.

DO NOT EXCEED 10 PSIG (69 KPA) AT THE SAMPLE
INLET.

DO NOT BLOCK THE VENT.

The external sample system should be capable of supplying clean,

particulate-free and moisture-free sample gas that is also free of air and
moisture. If air or moisture are ionized in the analytical cell, ozone
emissions are possible. These same conditions apply to any calibration
gases used.

Section 3.5.1 provides more information on a suitable sample

system.

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