176 Agilent 7890 Series Troubleshooting
8 Troubleshooting Tasks
Measuring NPD column flow
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.
4 Remove the bead and store it carefully until reinstallation.
5 Insert the NPD flowmeter adapter tool into the NPD
collector.
Be careful! The detector may be hot enough to cause burns. If the
detector is hot, wear heat-resistant gloves to protect your hands.