5-44 Electrostatic Classifier Model 3082 and SMPS Spectrometer Model 3938
6. Monitor the flow rate shown in the Classifier cell for 10 seconds or
until the flow rate stabilizes. Record the value from the reference flow
device (to two decimal places) in the Reference field using the
onscreen keypad and press Enter.
Figure 5-29
Electrostatic Classifier User Calibration Screen–Reference Field
7. Repeat step 5 and 6 for all desired flow rates then press the Check
button. The Error (%) column indicates the accuracy of your current
calibration. Generally errors within ±2% indicate an acceptable
calibration; however, a wider tolerance range may be acceptable for
some applications.
8. If necessary, recalibrate the sheath flow to match your reference
device.
(continued on next page)