Hi all,
This is the 30mA switch I refered to
![](https://www.eevblog.com/forum/testgear/cheapest-and-reliable-enough-clamp-for-ac-leaks/?action=dlattach;attach=1298080;image<a href=)
![Cheapest and reliable enough clamp for AC leaks 1298086-0](https://www.eevblog.com/forum/index.php?action=dlattach;topic=294154.0;attach=1298089;image)
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I saw the "trick" of loops to get a measure of low currents with these clamps but it will be quite hard due to my outset. This is the first main box where the wires begin and where I'll have to start my search:
![](https://www.eevblog.com/forum/testgear/cheapest-and-reliable-enough-clamp-for-ac-leaks/?action=dlattach;attach=1298086;image)
As you suggested I'll discard Zoyi-Zotek VC902 but now I want to be sure about the ut210e's "minimum detectable AC value" so I've just asked this question on its official thread, I hope someone will answer because it's fundamental for my goal. For now I keep ACM92 in my candidates list, I'm going to contact my friend (the acm92's owner) to ask him to send me some photos of the inside of this instrument and I'll show you here, if he'll accept to open his new "boy"
![Smiley :)](https://www.eevblog.com/forum/Smileys/default/smiley.gif)
eBay has some range ac leakage clamp (for example, ETCR6600 model). These have specialized jaws for low current only.
Price is my real problem! As someone said above, I need this clamp only for this job, I don't think I'll use it in my future and "science" (WattsThat's quote) can't help me this time for the reason I wrote above (too narrow spaces).
Anyway I'd like you to tell me your opinion about this
SZBJ BM2060 for 73.2$ (above my budget), which falls in the leakage clamps category.
Here's the only specs sheet I found on it ("20mA 0.01mA ±(1.5%+5").
leakage varies with phase of the Moon
Amazing! Can you post some link to study this relationship?
by isolating parts of the circuitry one by one
It was my first idea but I think it's economically better (and faster) to get a cheap clamp than N (maybe 7-10) switches to solve my problem in an electrical system like mine: there's only one switch for all the wires for now.
PS - sorry for the pics but I couldn't resize them