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05 - SGA Calibration

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Calibration of the Strain Gauge Amplifier takes place in two steps, or two steps per channel if more than one channel is being used: offset calibration and scale calibration.

 

First calibrate the offset by subjecting the load cell to the conditions that relate to a zero value (typically no load). With the required load applied, adjust the “Offset” screw for that channel until the output voltage reads 0V.

 

Next, calibrate the scale by subjecting the load cell to a known non-zero value. With the required load applied, adjust the “Scale” screw for that channel until the output voltage gives the voltage desired for the applied load.

 

Repeat for the second channel if necessary.

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Last modified
11:20, 21 Oct 2014

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