TSI Incorporated 8372, Operation And Service Manual

Page: 35 / 55

Operations in More Detail 25
measured or entered temperature. Press the
ENTER
key again to return to the
measuring mode.
SAMPLE
If the flow direction changes while a sample is being taken, that sample is
invalid. A double beep will sound and “
DIR
” and “
↑↓
” will flash on the
display, “
ERR
” will be indicated on small display. The unit will return to
measurement mode after 2 seconds.
Field Calibration - Model 8373 Only
DIP Switch 7 must be in the ON position.
1 Press and hold the
ACTUAL/STANDARD
key until
“bP=“
appears on the
small display. Release the key. The barometric pressure will be
displayed on the large display and
“CAL”
on the small display. The
A
CCU
B
ALANCE
Plus will chirp to inform you that you are in calibration
mode.
2 To adjust the reading of the barometric pressure, press the
▲
or
▼
key.
On the small display
“ADJ”
will appear along with 0 and % on the large
display. The range of adjustment can be from minus 12.5% to plus
12.5%. Factory default is 0. Continue to press
▲
or
▼
key until the
desired adjustment percentage is displayed. Press
ENTER
.
3 The ambient temperature will be shown on the large display and
“CAL”
will be on the small display.
4 To adjust the reading of ambient temperature, press the
▲
or
▼
key.
On the small display
“ADJ”
will appear along with degree adjustment on
the large display. The range of adjustment can be from minus 6
°
to
plus 6
°
C or from minus 10.8º to plus 10.8º F. Factory default is 0.
Continue to press the
▲
or
▼
key until the desired degree offset is
achieved. Press
ENTER
to return to continuous measuring mode.
5 To adjust the reading of the volumetric flow, press either the
▲
or
▼
key to start the procedure. Release when the small display shows
“ADJ”
with 0 and % on the large display. The range of adjustment can be from
minus 12.5% to plus 12.5%. Factory default is 0. Continue to press the
▲
or
▼
key until the desired adjustment percentage is displayed. Press
ENTER
to return to continuous measuring mode. DIP Switch 7 must
remain in the ON position to display values with all previous
adjustments (to barometric pressure and ambient temperature)
influencing the value.