Open/Short calibration with a LCR meter test probe?

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cupoftea

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Hi,
On page 62 (R.H.S) of this doc...
..They show how to do an open/short calibration on the HZ186 LCR meter "transformer" probe fixture.

The LCX-Z5 is the same as the HZ186. So why does it have the different open/short calibration as shown in 2:45 of this video?
There is a suggestion that "transformer measurement useage" needs different open/short calibration than simpler "inductor measurement useage"?
 

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The difference in open/short calibration procedures between the HM8118 User Manual and the video can be due to various factors, such as differences in instrument models, firmware versions, or calibration standards used by the manufacturer.
 
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Thanks, if we use the HZ186 to test a transformer, with connections to primary and secondary, then do we need to do open/short calibration on it in the same manner is is shown (in post #1) for the LCX-Z5? (ie outer connections open, inner connections shorted, for the "open" calibration)
 

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