TSI Instruments DustTrak 8520, Operation And Service Manual

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Chapter 3 34
immediately when zero is reached and “CALIBRATE ZERO” appears
on the display. If not, try again until it does.
2. Press CALIBRATE again and the current calibration factor will be
displayed with flashing up and down arrows.
3. Use the up and down arrows on the keypad to adjust the calibration
factor. To revert back to factory calibration, set to 1.00.
4. Press SAMPLE to store the value and exit calibration mode, or press
CALIBRATE to exit without saving the new value.
Setting Custom Calibration Factors using T
RAK
P
RO
Software
The T
RAK
P
RO
software allows you to store several custom calibration
factors along with a brief title for the aerosol or environment the calibration
was taken. A calibration factor can be downloaded to the D
UST
T
RAK
monitor when you want to make measurements of that aerosol or
environment. All future measurements will be adjusted by the new custom
calibration factor until you change it to some other value. To set this new
custom calibration factor using T
RAK
P
RO
software, do the following:
1. Connect your D
UST
T
RAK
monitor to the computer and start the
T
RAK
P
RO
software.
2. Select D
UST
T
RAK
Model 8520 from the Options menu. Or, select
D
UST
T
RAK
from list of available instruments on the Drop-Down menu
on the menu bar.
3. Select Calibration in the Instrument Setup menu. The following
dialog box is displayed.
05/09/2006
05/09/2006
05/09/2006