Calibration
The following procedure describes how to Zero Calibrate and Span calibrate
the balance. These two are always done together.
Calibration
1. Turn scale off and remove the platter.
2. Locate the CAL Switch (rear of platform).
3. Press and hold down the CAL Switch while you turn on the scale.
4. Once the display reads , release the CAL Switch.
5. Replace the platter on the platform.
6. Press the
✱
key.
7. After the STABLE lamp turns on, press the
✱
key.
8. The scale will display and then show .
9. Press the
✱
key.
10. Once the STABLE lamp turns on, place the mass weight on the platter.
This mass must be equal to exactly the balance’s capacity in
grams.
11. After the STABLE lamp turns on, press the
✱
key.
12. The scale will display , then show , and then show .
✝
13. Remove mass weight from the platter.
14. Turn scale off and then back on.
✝
NOTE: The balance may show or at this point instead of
.
If it displays then the mass weight that you are using to calibrate is
too heavy or the scale may need servicing (the load cell may have been
overloaded or shock loaded.)
If it displays then the mass weight that you are using to calibrate is
too light or the scale may need servicing (the scale may have been dropped or
mistreated.)
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