26
Temporary Zero
Temp Zero is used to calibrate without establishing a new zero. Calibration can be performed without
removing the currently applied gross load. A temporary zero is established so that test weights can be
added during calibration. The original zero reference determined during the previous calibration is not
affected. This procedure is commonly used to calibrate hopper scales where it is impractical to empty the
product before calibrating.
To perform a Temp Zero calibration:
1. Access the calibration mode as described on page 23.
2. Select the Temp Zero calibration method as described in Calibration Methods on page 23.
3. Press
at the Temp Zero? prompt to establish a temporary zero reference.
4. After establishing the temporary zero reference, the default calibration units are displayed
momentarily followed by the Keyin CalWT prompt.
5. Apply the calibration weight, key in the calibration weight value in terms of the default calibration
units and press
to establish span.
If the calibration weight value was entered before
the weight was applied, the display will prompt
Add CalWT. Add the calibration weight and press
.
6. After establishing span, CAL OK? is displayed suggesting that the calibration is acceptable, or
ReCal??? is displayed suggesting that the calibration procedure should be repeated.
Accept the calibration by pressing
at the CAL OK? prompt or K at the ReCal??? prompt.
- or -
Repeat the calibration by pressing
K at the CAL OK? prompt or at the ReCal??? prompt.
7. Once the calibration is accepted in step 6, press
at the ENTER=SAVE prompt and again at
the ENTER=EXIT prompt to save the new calibration and exit the calibration mode.
- or -
To exit the calibration mode without
saving the new calibration, press K at the ENTER=SAVE
prompt. Then press
at the ENTER=UNDO prompt and again at the ENTER=EXIT prompt
to exit the calibration mode.
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