D-6 Series 3080 Electrostatic Classifiers
2. Select Flow Calibration.
3. Select Sheath Flow.
4. Set Raw Sheath Flow to OFF (0.00) LPM using the dial knob
on the front panel of the Classifier and wait 60 seconds until
flow has completely stopped.
5. Make sure that Exhaust Flow and Excess Flow port fittings
are connected by a tube on the outside of the Classifier.
6. Connect the Flowmeter Standard to the Sheath Flow port
fitting on the Classifier.
7. Set Raw Sheath Flow on the Classifier front panel screen to
2 L/min and wait for the flow to stabilize. Take 5 samples and
average them. Record the raw flow (Qraw) and flowmeter (Qcal)
readings.
8. Repeat step 7 for 4, 6, 8, 10, 12, 14, 16, 18 L/min.
9. Repeat step 7 for 20 L/min, if possible. If this flow cannot be
reached, use 19 L/min instead for a total of 10 data points.
10. Enter the data into the EC program (Figure D-6) under Sheath
Flow Calibration tab and click on the Set Calibration button,
which calibrates the instrument.
11. Exit the Sheath Calibration Screen on the Classifier and close
the software window.
12. Recheck the sheath flow dialed in on the main Classifier
display screen with an external flowmeter.
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