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8400-M022-O1 Rev K
Model 190 Indicator
26
Dual-Point without Zero (False Zero) Calibration
This calibration method requires one test weight and establishes a new conversion factor only.
It is used to establish a false zero (temporary zero) without affecting the zero calibration value
stored during the last calibration.
This is particularly useful in tank weighing applications, where it may be impractical or
impossible to completely empty the tank.
This method uses two calibration points,
CAL1=
and
CAL2=
. The value of the test weight is
entered when
CAL1=
is displayed and the
NET/GROSS
key is pressed when
CAL2=
is
displayed.
CAL1=
– First Calibration Weight
1.
The display will show
CAL1=
. This is the first of two calibration weights. This weight
could be ZERO (NO LOAD) or the TEST WEIGHTS (TEST LOAD).
2.
Press the
TARE
key to view the current setting.
3.
If the first calibration weight is to be ZERO (NO LOAD), press the
TARE
key.
4.
If the first calibration weight is to be the TEST WEIGHTS (TEST LOAD), use the
UNITS/
and
Fn/
keys to input the value of the test weights.
5.
Place the weights on the scale platform, then press the
TARE
key.
6.
Starting at the left and proceeding right, a series of dashes will appear on the display.
7.
Next, starting at the left and proceeding right, the dashes will disappear, after which
the display will show:
CAL2=
.
CAL2=
– Second Calibration Weight
1.
The display will show
CAL2=
. This is the second of two calibration steps.
2.
Remove the weights on the scale platform.
3.
Press the
NET/GROSS
key.
4.
Starting at the left and proceeding right, a series of dashes will appear on the display.
5.
Next, starting at the left and proceeding right, the dashes will disappear, after which
the display will show:
SetgC?
.