Doran Scales DS4100 Gebrauchsanweisung - Seite 9

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Section 3. Scale Calibration

This calibration procedure is intended to be used when a full set of calibrated

weights are not available. When possible, use the multiple point calibration

procedure below. CAUTION: Calibrating this scale improperly will void the warranty

and will require field service or return of the scale to the factory.

1. Turn the scale on by pressing the ON/OFF button.

2. To calibrate in pounds, press LB. To calibrate in kilograms, press KG.

3. Press and hold ZERO and REWEIGH simultaneously.

4. When the display reads Cal 25 lb (CAL10 kg), release ZERO and REWEIGH.

5. If desired, press LB to use a span calibration of Cal 45 lb (CAL20 kg).

NOTE: Using a heavier calibration weight will increase scale accuracy.

6. Press KG. The display reads Cal 0.

7. Remove all weight from the scale.

NOTE: During calibration be sure vibration and air currents are not present.

8. Press LB. The display will count down to zero. The counter will reset if too

much vibration is present.

9. When the zero calibration is successful, the display reads CAL XX lb or kg,

where XX is the span calibration weight selected above

10. Place the span calibration weight on the platform.

NOTE: to exit calibration without saving, press KG until the scale returns to the

weigh mode.

11. Press LB.

12. The display will count down. When calibration is complete, the scale will return

to the weigh mode.