I am using impedance analyzer max range 5 mhz . i used normal copper wire , but it didnt gave correct readings of parameters when i increased cable length 7 , 8 meters or so. for very short cable(sample holder very close to fixture) it gave correct readings. I used Coaxial cable RG 6 also . same situation. what cable i should use ? and what is effect is of corresponding length? i have to use long wire high temperature readings

 

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