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Environmental Calibration (Internal)
Field Verification of Baseline Accuracy
Appendix B
The purpose of the environmental calibration is to compensate for the effects of
ambient temperature and voltage variations. The WireScope 350 and
DualRemote 350 use internal calibration paths to connect the signal source and
measurement circuits together to establish a local calibration reference before
each measurement.
The WireScope 350 and DualRemote 350 automatically perform an internal
environmental calibration before each measurement, so no operator involvement
is required.
The Self-Test Probe (part # N2594A-015) can be used in the field to verify the
baseline accuracy of a WireScope 350 or DualRemote 350. The Self-Test Probe
makes use of the SmartProbe port interface in the WireScope 350 and
DualRemote 350 to automate the setups required to perform this function.
Self-Test on a WireScope 350
Make sure that the WireScope 350 display is showing the main menu screen.
Attach the self-test probe to the SmartProbe port of the WireScope 350. Press
the
key.
Self Test
Probe
A passing self test indicates that the baseline calibration data for the WireScope
350 is still valid. If the self test fails, the WireScope 350 requires a new baseline
calibration or repair. Please contact WireScope technical support if the self test
fails.
Self-Test on a DualRemote 350
To run a self test on the DualRemote 350, attach the self test probe to the
SmartProbe port of the DualRemote 350. Press the
the front panel of the DualRemote 350 indicates the outcome of the self test. If
the self test fails, the DualRemote 350 requires a new baseline calibration or
repair.
key. The result LED on
Measurement Calibration 146
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