4 Internal Calibration Procedure (Linearity Adjustment)
1. Remove the top housing of the scale.
2. Connect the pads below together by soldering:
J1 for EMB 220-1, EMB 2200-0, EMB 5.2K5
J3 for EMB 100-3, EMB 500-1, EMB 1000-2, EMB 1200-1, EMB 5.2K1
J9 for EMB 200-2, EMB 600-2
3. Place scale on a hard level surface. With weighing pan installed, turn scale on.
Display shall show the internal counts.
4. The internal counts shall fall in the range from 3 000 to 5 000.
For EMB 200-2 and EMB 600-2 the internal counts shall fall in the range
from 50 000 to 80 000.
For EMB 100-3 and EMB 1000-2 the internal counts shall fall in the range
from 100 000 to 300 000.
In case out of this range, connect J9 (J4 for EMB 200-2 and EMB 600-2;
J6 for EMB 100-3 and EMB 1000-2) left side or right side to increase or reduce the
reading.
Connecting or disconnecting pads on
J6, J7 or J8 for EMB 220-1, EMB 2200-0, EMB 5.2K5
J5, J6, J7 or J8 for EMB 500-1, EMB 1200-1, EMB 5.2K1
J1, J2 or J3 for EMB 200-2, EMB 600-2
J2, J3, J4 or J5 for EMB 100-3, EMB 1000-2
can fine tune the reading.
5. Press [OFF] key once. Display will show the required calibration weight.
Place the corresponding calibration weight on the center of the weighing pan.
Press [OFF] key while the weight is placed on the weighing pan.
6. Repeat step 5 for other calibration weights until display show [ F ] then off.
Remove all weights from weighing pan.
7. Disconnect the pads below:
J1 for EMB 220-1, EMB 2200-0, EMB 5.2K5
J3 for EMB 100-3, EMB 500-1, EMB 1000-2, EMB 1200-1, EMB 5.2K1
J9 for EMB 200-2, EMB 600-2
8. Turn scale on and check the accuracy at different weight.
9. Install the top housing of scale.
In case [ E ] is display instead of [ F ], this indicates a calibration procedure
error or wrong weight applied for calibration.
Turn the scale off and then on and repeat the procedure.
EMB-SH-e-0933
5
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