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Bridge calibration box

The next important milestone in internal calibration has been completed. Using the calibration box developed by Engenium for measuring cards for full, half and quarter bridge measurement, the fully automatic calibration can now be performed within a few seconds. The detuning is specified by means of a 10bit system over a range of +/-25 mV/V in 0.025mV/V steps and the calibration values are automatically stored in ACQUA's measuring equipment database for the next measurement. For the increasingly important calculation of the measurement uncertainty, the aging of the measuring equipment over time is also taken into account.