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Symptoms / Solutions:
If a warning message appears after calibration, the calibration is not valid. Most likely a cable is not connected correctly or the pulse head failed to initialize. This could also mean that the pulse head EEPROM is not set correctly.
A correct calibration will not show a warning. A good indication of the accuracy of the measurement is to check the Zero Offset in the Calibration Summary window. The absolute value of this offset should be smaller than 1, ideally smaller than 0.1.
Additional Information:
After a calibration, the user should also verify the accuracy of the calibration. Disconnect all cal standard from the pulser and set various Q and NQ voltages in the Pulsed Adjustment Window. Verify that the DMM window displays approximately the same voltage that was set. Current (on an open) should be approximately zero. The current accuracy can be checked by connecting a calibration standard to the pulse head, apply a NQ (only NQ) voltage and check if the ratio of voltage and current on the on screen DMM is equal to the calibration standard resistance (using Ohm’s law). If the ratio holds, then you are ready to start testing devices.
Keywords: Auriga, Pulsed IV, calibration, verification
Last date modified: March 30, 2017
Ruggedness
Pulsed IV Systems
Device Modeling
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