difference between zi no trip and zi trip

[Aidanktm]

hi everyone, i have just got the fluke 1664fc can somone please tell me the difference between a zi no trip test and a zi trip test. i know that it in zi trip it is a high current test but still i can not understand why im getting different readings between live and earth. Thanks

 

[Zdb]

Isn't no trip for use with RCD protected circuits and trip is for non RCD.

 

[Risteard]

The non-trip loop at 15mA is a much less accurate test and more prone to noise on the system etc.

 

[Strima]

No trip is nowhere near as accurate as the trip setting due to a lower test current.

 

[telectrix]

No trip is nowhere near as accurate as the trip setting due to a lower test current.

it is on a Megger. my 1553 give no-trip readings very close to the hi-current readings, although it a bit slow on no-trip

 

[Strima]

it is on a Megger. my 1553 give no-trip readings very close to the hi-current readings, although it a bit slow on no-trip

My 1552 varies quite a bit, yours must just be scared of you...

 

[Aidanktm]

thanks everyone ))