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PCI30FG User Manual
Eagle Technology © Copyright 2002 27
A/D Calibrating Procedure
Calibrating the PCI30Gx series
Bipolar Mode
1. Adjust A/D for maximum gain (ie. 1000) and apply 0.00mV to channel 1.
All other channels must be connected to analog ground. Adjust VR1, the
instrumentation amplifier offset pot, for 800H.
2. Set A/D for a gain of 1 and apply (-FS+2LSB) to channel 1 (ie.-4.9988V for