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Chapter 4
26
Setting User Calibration Factors
In most cases, a user calibration factor of 1 for photometric and size
cal (DRX only) will be sufficient. Use the following instructions to
change the instruments User Cal, if an improved calibration factor
is required.
Set User Calibration Factor
allows you to store and use 10 different
calibration factors. In addition, there are preprogrammed factory
defaults, one is the “Ambient Cal” and the other is the “Factory Cal”
(8540-M, 8542-M and 8543-M also have an MCERTS cal). The
“Ambient Cal” is appropriate for outdoor ambient dust or fugitive dust
monitoring. The “Factory Cal” is the calibration to ISO 12103-1, A1
Arizona test dust for which a calibration certificate is provided with the
instrument. The “Factory Cal” is appropriate for most workplace
aerosol monitoring. Factory Cal can be set by simply setting both the
size correction factor (DRX model only) and the photometric
calibration factor to 1.
Use the following steps to get to
the user cal functionality:
Select
Instrument Setup ->
Calibration
.
Содержание DustTrak 8540
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