A review and teardown of a cheap Hall effect clamp meter (ACM03 Plus) from Kerry Wong:
I recently purchased a BSide ACM03 Plus clamp meter so that I could do some high current measurements for my tab welder project. This meter can be bought on eBay for around $25, which makes it one of the cheapest Hall effect clamp meters on the market that is capable of measuring both AC and DC current.
Since this is such a cheap meter, I wasn’t expecting much. But it actually feels really sturdy in hand and the construction looks reasonably solid, which is certainly a good start. It came with a nice little black pouch inside a non-descriptive cardboard box. It even includes a decent product manual.
More details on Kerry D. Wong’s blog.
Check out the video after the break.
Jeez, the very limited DCA: 40A/400A±3.0% capability, no RMS at all, and the CAT=DEATH rating makes this a NO BUY at any price – much less $40.