Appendix A. Standard Calibration - OHAUS NV212 Service Manual

APPENDIX A STANDARD CALIBRATION

APPENDIX A. STANDARD CALIBRATION

A.1 SPAN CALIBRATION
Standard calibration should be performed prior to using a scale, and after service.
See Section 4.1 for Calibration Masses required for each model.
Note: This menu is locked out in Legal for Trade applications. To regain access,
see Section 1.7.
Note:
Be careful not to touch the scale or the table while calibration is in progress, as it will cause
the process to fail.
1. With scale powered on, press and hold the
MENU button until
the button is released
displayed.
2. Press Yes to enter the sub-menu.
will be the first menu item. Press Yes
again to accept, the display will show a
--C--
flashing
weight data is stored.
3. The specified calibration weight value
will appear. Place the weight on the
pan. Note: Early production scales
scales (e.g SW version 1.02) require a
Yes press to start the calibration.
The display shows
span point weight data is stored.
4. When calibration is complete, the
display shows done, and then returns
to the previous application mode and
scale is ready for use.
NOTE: If calibration fails, ensure that the test area is free from drafts and the surface the scale
rests on is level and free of vibrations. Then try to calibrate again. If it continues to fail, there may
be an internal problem. To resolve internal problems, follow procedures in Chapters 2 and 3.
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mMeNU
appears. When
.C.A.L.
will then be
SPAN
while the zero point
--C--
while the
36
.C.a.l.
--C--
3000
Done
Navigator Series Service Manual