Model 190 Installation, Technical and Operation
8400-M022-O1 Rev J
4.6.3 Single-Point for Span Only (Last Zero) Calibration
This calibration method requires one test weight and establishes a new
conversion factor (span) without affecting the zero calibration value
stored during the last calibration. This minimizes placing and removing
test weights and is especially useful when checking high capacity scales.
This method uses two calibration points, CAL1= and CAL2=. The value
of the test weight is entered 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. This weight is the TEST WEIGHTS (TEST LOAD).
2. Press the ZERO key.
3. The display will show: CAL2=.
CAL2= – Second Calibration Weight
1. Place the weights on the scale platform.
2. Press the TARE key to view the current setting.
3. Using the UNITS/ and Fn/ keys, input the value of the test weights.
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: SetgC?.
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