8400-M022-O1 Rev K Model 190 Indicator
Single-Point for Zero Only (Only Zero) Calibration
This calibration method requires no test weight, an empty scale and establishes a new zero
without affecting the conversion factor (span). This is useful to regain the full range of the zero
limit when the dead load of the scale has changed. This would occur for example, if a guard
rail has been added to the scale platform.
This method uses two calibration points, CAL1= and CAL2=. The TARE key is pressed
when CAL1= is displayed and the ZERO key is pressed when CAL2= is displayed.
CAL1= – First Calibration Weight
1. The display will show CAL1=. This is the first of two calibration steps.
2. Ensure the scale is empty.
3. Press the TARE key.
4. Press the TARE key.
5. Starting at the left and proceeding right, a series of dashes will appear on the display.
6. 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. Press the ZERO key.
3. The display will advance to SetgC?.
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