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I am looking at buying an earth leakage clamp meter AMECaL ST-9810 (£59) or a Megger DCM305E (on offer at £194).
The only use will be mainly domestic fault finding.
Any opinions will be most welcome.
 

telectrix

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Esteemed
buy the Megger.
 

snowhead

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I've got an alternate version of the AMEcal, think it's the Tek one.
It was only for a backup to the company provided one and mainly because it's very compact.

If I was still working and buying one for myself it would be a Megger, or any other quality brand.

Buy cheap, buy twice (or more.)

I doubt you'll be able to get the AMEcal calibrated by anyone.
 

123

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If it's only for fault finding is the expense of calibration worth it any way?
Bit pointless having a tester of any sort that's way out of range...could lead you on a bit of a wild goose chase with false readings.
 
  • Thread Starter Thread Starter
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Bit pointless having a tester of any sort that's way out of range...could lead you on a bit of a wild goose chase with false readings.
Thanks.
My thoughts were if buying a new tester it should be accurate.
I won't need traceability to national standards since it won't be used to certify anything. Periodic sanity checks could be done on a known circuit resistor.
Regards,
Mike.
 

Spoon

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Neither.
What about DC leakage currents?
Excuse my ignorance but if the OP want's it mainly for domestic fault finding then is there DC leakage current?
 

Spoon

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What are the different types of RCD?
I'm industrial mate. Where would DC RCD's be used in a domestic situation?
Just trying to learn stuff?
 

Charlie_

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Arms
I'm industrial mate. Where would DC RCD's be used in a domestic situation?
Just trying to learn stuff?
Type AC - General purpose use, RCD can detect & respond to AC sinusoidal wave only.


Type A - Equipment incorporating electronic components RCD can detect & respond as for type AC, PLUS pulsating DC components.


Type F - Equipment with frequency controlled speed drives RCD can detect & respons as for type A, PLUS high frequency residual current.


Type B - Electric vehicle chargers, PV supplies.

  • RCD can detect & respond for type F, PLUS smooth DC residual current.
 

Charlie_

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Arms
Think the AC only type seem to be getting phased out or it would appear to be so
 
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