The Cooper XAA 911 load cell summing box has four 5 position terminal strips for load cell input and one 7 position terminal strip with internally jumped sense terminals for output to the instrument. A total of 4 load cells can be summed. Trimming is accomplished with four 25 turn trim pots. Calibration is completed by turning each of the four Trim pots fully clockwise to obtain the highest possible output from each load cell.
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