Weight simulation calibration rig and method
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United States of America Patent
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Aug 21, 2001
Grant Date -
N/A
app pub date -
Aug 18, 1999
filing date -
Aug 20, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In a calibration rig for a weighing machine and a method of using the calibration rig, the weighing machine having a load cell including a transducer and headwork connected to the load cell, the calibration rig having a calibration load cell including a low capacity transducer with the excitation voltage and signal connections arranged for connection to the headwork and a potentiometer. The fixed terminations of the potentiometer are connected to respective signal connections and the wiper connection of the potentiometer is connected to one excitation supply terminal via a series resistor.
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