Hacked Gadgets Forum

February 26, 2014

DIY Four-Terminal Kelvin Sensing Connection

at 11:41 pm. Filed under Insane Equipment

 

If you are taking very low resistance measurements you have a few options. Many meters have a low ohms mode where you are able to zero out the meter resistance but the best method is using a Four-Terminal ohm meter and appropriate connection. In the video above ROBRENZ shows us some typical issue with the clips that are currently available and as a machinist he also demonstrates with some very intricate work that it is possible to improve on what is being used in industry. If that isn’t enough he also demonstrates how the current design of kelvin probes is flawed, the second video demonstrates his solution to the issue. Of course if he was selling one of these solutions it would probably cost more than the meter it is to be used on and unless you are measuring something of extremely low resistance the benefits would not warrant the insane build effort.

 


 

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