Ohaus NBF1A2 Navigator Balances - Manual (Page 16)

16
3.3.3 Calibration Adjust
Balances with InCal TM contain software which allows the
internal calibration value to be adjusted by + 100 divisions
at full scale capacity using an external mass which is
traceable to a certified standard.
Procedure
• Perform the internal calibration procedure.
• Press >O/T< button to zero the balance.
• Place a mass equal to the span calibration value of
the balance on the pan. Note the reading on the bal-
ance and see if the balance indicates the exact
weight or indicates a higher or lower reading. If the
reading is higher or lower, proceed.
• Press the Setup button, CAL is displayed.
• Press Enter button, CAL TYP is displayed.
• Press button until , CAL ADJ is displayed.
• Press Enter button, CAL ADJ 0 should be dis-
played (0 is factory setting).
NOTE: Balance will retain last CAL ADJ setting.
• Press or button until desired number is
displayed.
• Press Enter button, SAVED is momentarily displayed,
then display indicates LOCK.
• Press Enter button, LOCK ON or LOCK OFF is
displayed.
• Press or button and select either LOCK ON
or LOCK OFF.
• Press Enter button, SAVED is momentarily displayed,
then EXIT is displayed.
• Press Enter button, display returns to WEIGH
mode. Note weight reading and remove mass from
pan.
• Perform the internal calibration procedure. The value
entered as an adjustment is now stored. Place the
calibration mass on the pan and check. Repeat pro-
cedure if further correction is required.
• To return to factory setting, follow procedure above
and set CAL ADJ to 0.