Calibrate The Scale; Verify The Calibration - NCR RealScan 7875-7000 Installation Manual

NCR RealScan 7875-7000/8000 Installation Guide

Calibrate the Scale

1. Press the Scale Zero Button to display the Cal and PAr values. Record these values.
2. Install the Produce Guard if one is included then install the Top Plate. Raise the front edge
3. Follow the sequence of steps in the following chart.

Verify the Calibration

The scale accuracy test meets government requirements of testing the accuracy of the scale after
performing a scale calibration. It contains a series of four tests that must be run in the continuous
sequence given.
Increasing Load Test
This test checks the scale's accuracy when incrementally adding weight to the center of the top
plate. Use weights that correspond to the RealScan 7875 weight feature.
Note: Do NOT remove any weight from the Top Plate.
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of the Top Plate enough to access the Calibration Switch and press it, then quickly lower the
Top Plate. The display should show Ready C-00 kg (00 lb.).
Display
Ready C-2.5 kg (05 lb.)
Ready C-05 kg (15 lb.)
Ready C-10 kg (30 lb.)
Ready C-00 kg (00 lb.)
Ready 0.000 kg (0.00 lb.)
Step Weight Feature
1 9.995 kg
13.995 kg
30.0 lb.
2 9.995 kg
13.995 kg
30.0 lb.
3 9.995 kg
13.995 kg
30.0 lb.
4 9.995 kg
13.995 kg
30.0 lb.
5 9.995 kg
13.995 kg
30.0 lb.
Add Weight
2.50 kg (5.00 lb.)
2.50 kg (10.00 lb.)
5.00 kg (15.00 lb.)
Add Weight Remove Weight
0.1 kg
0.1 kg
0.2 lb.
2.5 kg 0.1 kg
2.5 kg 0.1 kg
5.0 lb. 0.2 lb.
2.5 kg
4.5 kg
5.0 lb.
2.5 kg
3.0 kg
10.0 lb.
2.495 kg
3.995 kg
10.0 lb.
06/03
Remove Weight
10.00 kg (30.00 lb.)
Display Result
0.1 ± 0.00 kg
0.1 ± 0.00 kg
0.2 ± 0.00 lb.
2.5 ± 0.00 kg
2.5 ± 0.00 kg
5.0 ± 0.00 lb.
5.0 ± 0.005 kg
7.0 ± 0.005 kg
10.0 ± 0.01 lb.
7.5 ± 0.005 kg
10.0 ± 0.005 kg
20.0 ± 0.01 lb.
9.995 ± 0.005 kg
13.995 ± 0.005 kg
30.0 ± 0.01 lb.
AIP-00342 Release B