Maintenance and Calibration
Performing a Flow Audit
Thermo Fisher Scientific
PDM 3600 Instruction Manual
5-9
6.
Install a new TEOM filter onto the mass transducer and install the
mass transducer into the PDM unit.
7.
Install the sample line onto the cap lamp.
Users should perform a flow audit on the unit once per month, or as
necessary.
Tool and materials needed for this procedure:
●
Flow meter
●
Flow audit tubing adapter.
1.
Disconnect the sample line from the cap lamp.
2.
Install one end of the tubing adapter into the sample line from the cap
lamp and the other end of the tubing adapter into the tubing that is
attached to the flow meter (
Figure 5–13
and
Figure 5–14
).
Figure 5–13.
Flow audit/tubing adapter
Performing a
Flow Audit
To perform a flow audit:
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