7
Detectors Advanced Maintenance
Measuring the NPD Gas Flows
Thermo Scientific
TRACE 1300 and TRACE 1310 Hardware Manual
281
a.
Insert the flowmeter adapter measuring tool into the detector body.
b. Push the flowmeter adapter measuring tool downwards until it stops.
c.
Rotate the measuring tool to align the fixing holes, then insert the three screws used
to fix the thermionic source.
d. Fix the flowmeter adapter measuring tool to the detector body using a T10 Torxhead
screwdriver.
e.
Place the flowmeter tubing over the male hose adapter of the measuring tool to begin
measuring flows.See
Figure 262.
NPD Gases Measuring Tool (2)
14. Measure the gas flow rate.
a.
Open the GC user interface.
b. Turn the
Hydrogen
flow On.
i.
Measure the gas flow and verify that the actual flow rate corresponds to the
setpoint value.
c.
Turn the hydrogen flow Off.
d. Turn the
Air
supply On.
i.
Measure the gas flow and verify that the actual flow rate corresponds to the
setpoint value.
e.
Turn the Air flow Off.
f.
Turn the
Makeup
gas flow On.
i.
Measure the gas flow and verify that the actual flow rate corresponds to the
setpoint value.
g. Turn the Makeup Off.
15. Remove the flowmeter adapter measuring tool from the detector body proceeding in the
reverse order in which it was installed.
To Flowmeter