Measuring Npd Flows - Agilent Technologies 7890 Series Troubleshooting Manual

Measuring NPD flows

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Agilent 7890 Series Troubleshooting
1
Gather the following:
• NPD flowmeter adapter tool (G1534-60640)
• Flow-measuring insert (19301-60660)
• Electronic flowmeter calibrated for the gas and flow rates
of concern
2
Set the bead voltage to 0.0 V.
3
Cool the NPD to 100 °C.
Be careful! The detector may be hot enough to cause burns. If the
detector is hot, wear heat-resistant gloves to protect your hands.
4
Remove the bead and store it carefully until reinstallation.
5
Insert the NPD flowmeter adapter tool into the NPD
collector.
Troubleshooting Tasks
183
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