Maintenance and Calibration
Cleaning the Mass Transducer and Sample Lines
Thermo Fisher Scientific
PDM3700 Instruction Manual
5-7
2.
Remove the mass transducer from the PDM3700 unit and remove the
TEOM filter from the mass transducer.
3.
Use canned air then an alcohol swab to clean all surfaces of the mass
transducer.
4.
Use canned air and an alcohol swab to clean the bell-shaped inlet inside
the PDM3700 unit and then direct a stream of air through the bell-
shaped inlet (
Figure 5–9
and
Figure 5–10
).
Figure 5–9.
Clean the bell-shaped inlet with a swab and air
Return Tube
Do Not
blow air into
this hole, It will damage
the pressure sensors.
Bell-Shaped Inlet
Direct air here.
