Ohaus DEFENDER 5000 BENCH SCALES Manual en - Manual (Page 19)

EN-17 5000 Series Indicators
3.3.3 Linearity Calibration
Linearity calibration uses 3 calibration points. The full calibration point is established with a weight on the
scale. The mid calibration point is established with a weight equal to half of the full calibration weight on
the scale. The zero calibration point is established with no weight on the scale. The mid calibration points
cannot be altered by the user during the calibration procedure.
When LINEAr is displayed, press the Yes button to initiate Linearity Calibration.
The display flashes the full calibration point and calibration unit. Place the specified weight on the scale and
press the
Yes button.
To choose a different full point or calibration unit (kg or lb), edit the setting as explained in Section 3.2 Menu
Navigation. When the desired setting is displayed, place the specified weight on the scale and press the
Yes
button.
The display shows --C-- while the full point is established.
The display flashes the mid calibration point.
Place the specified weight on the scale and press the
Yes button.
The display shows --C-- while the mid point is established.
The display flashes 0.
With no weight on the scale, press the
Yes button to establish the zero point.
The display shows --C-- while the zero point is established.
When linearity calibration is completed, the display shows dONE.
Then the scale exits to the active weighing mode and displays the actual weight value.
Span adjust uses one calibration point. The span adjust point is established with a calibration mass placed
on the scale. Use this method to adjust the span range without affecting the zero value.
When SP.Adj is displayed, press the Yes button to initiate Span Adjust.
The display flashess the span calibration point. Place the specified weight on the scale and press the Yes
button.To choose a different span point or calibration point, edit the setting as explained in Section 3.2 Menu
Navigation.
When the desired setting is displayed, place the specified weight on the scale and press the Yes button.
The display shows --C-- while the span point is established.
When span adjust is completed, the display shows dONE.
Then the scale exits to the active weighing mode and displays the actual weight value.
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3.3.4 SPAN Adjust