Adapter Calibration Values
Adapters are calibrated at the factory and the calibration value is permanently stored in
adapter memory. After calibration, the new calibration value and factory calibration value
are compared.
- If the difference between the calibration values is less than 50m?, the new value
is displayed on the screen and replaces the factory calibration value.
- If the difference is more than 50m?, the calibration value and the original factory
calibration value is displayed; select Yes or No to accept or discard the new
value.
- If the new calibration is over 400m?, the new value is rejected.
Acceptable Calibration Values for New Adapters
General calibration values are provided below to help gauge whether a calibration has been
performed properly. If a brand new adapter is calibrated using appropriate tools and the displayed
resistance is greater than that shown below, repeat the calibration.
To check the analyzer version, press the keys Fn-7. If the adapter is consistently displaying larger
resistance values than acceptable or if the adapter type is not mentioned in the list, please contact
technical support. Contact information is on page 110.
Table 1 Typical Calibration Resistance Values
Contact Type C7400 Version 6.x C7400-C Version 1.x
Spring loaded contact adapter C7200-C, C7400-C and
C7400ER-C < 250m?
C7400-C < 100m?
Smart Cable (07-110-0115) C7400-C < 270m?
C7400ER-C < 330m?
C7400-C < 150m?
Flex Arm (07-110-0180) C7200-C, C7400-C and
C7400ER-C < 380m?
C7400-C < 150m?
These ranges are only for new adapters shorted with gold plating. Older adapters or those
adapters shorted with different materials may have higher values.
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