Maintenance and Calibration
Auditing the K0 Number
Thermo Fisher Scientific
PDM3700 Instruction Manual
5-15
Note
Care must be taken when reinstalling the sample tube onto the
sample inlet to prevent cracking, gouging, or otherwise damaging the
tubing.
✳
6.
Lightly lubricate the cyclone nozzle.
7.
Install the grit pot.
8.
Install the mass transducer into the PDM3700 unit.
9.
Perform a sample line leak check.
Once a year, the calibration constant (K0 number) of the unit should be
audited. Tool/materials needed for this procedure:
●
K0 audit kit (59-010020)
●
Alcohol swab
●
Small tweezers
Note
PDM3700 should be placed upright while the frequency is
stabilizing and after each weight is added. See
Figure 5–26
for position.
✳
1.
Connect the PDM3700 unit to its charger and start the WinPDM
software.
2.
When in the PDM – COM1 screen, select the “K0 Audit” button to
display the K0 Audit screen (
Figure 5–21
).
Figure 5–21.
K0 Audit screen
Auditing the K0
Number
To perform a K0 audit:
