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Chapter 5: Calibration 5-13
Procedure 2: Over-Capacity Test
This test checks for the proper indication from the scale when too much
weight is placed on the Top Plate. An over-capacity is indicated by
dashes appearing on the display. If a failure occurs during this test, the
scale must be recalibrated.
Note: This test must immediately follow the Increasing Load Test. Do
not remove any of the weights prior to running this test.
Instructions
1.
Use the following chart to select the correct weight.
2.
Follow steps on chart for adding and removing weights. Weight
must be placed in center of Top Plate.
Step Weight Feature
Add
Weight
Remove
Weight
Display
1 9.995 kg
13.995 kg
30.0 lb.
0.04 kg
0.04 kg
0.08 lb.
- -.- -
- -.- -
- -.- -
2 9.995 kg
13.995 kg
30.0 lb.
0.04 kg
0.04 kg
0.08 lb.
9.995 ± 0.005 kg
13.995 ± 0.005 kg
30.0 ± 0.01 lb.
3.
If a series of dashes are not shown, then the scale has failed and
must be recalibrated.
4.
The scale passes the test if a series of dashes is displayed and all
measured values fall within the acceptable limits Continue to
Procedure 3:
Decreasing Load Test