Products > Test Equipment

ANENG goes crazy with new meters

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Fungus:
This "M20" doesn't ring any bells either:

https://www.aliexpress.com/item/33011591232.html

It's physically a lot smaller than those others...

rsjsouza:
These new ones are very similar to Mestek's style, but I don't see them in their page as well...

http://www.mestek-tools.com/

I'll keep looking...

floobydust:
The Zoyi ZT-Y2 review video in post #189,
I thought the LCD contrast appears not very good, I wish they'd dump the stupid (grouped segments) bargraph for a lower mux factor. Even with higher 4.5V power available, perhaps VDD is 3.6V... it has even worse contrast now.
I have a Mestek with negative contrast LCD, it is quite readable.

pavlik222:
Hello. This multimeter has a decent temperature drift. The highest accuracy is observed at a temperature of 18 degrees Celsius. The RM219 does not have this - it can be "boiled", but there will be no drift.

rsjsouza:

--- Quote from: floobydust on January 11, 2023, 05:06:44 am ---The Zoyi ZT-Y2 review video in post #189,
I thought the LCD contrast appears not very good, I wish they'd dump the stupid (grouped segments) bargraph for a lower mux factor. Even with higher 4.5V power available, perhaps VDD is 3.6V... it has even worse contrast now.
I have a Mestek with negative contrast LCD, it is quite readable.

--- End quote ---
I just did a thorough evaluation of the ZT-Y2 on my channel and indeed the LCD is really not great.

However, one interesting point about this guy is that the protection components and the slots are much better placed on the board (when compared to the ZT-Y), protecting the switch and physically far from the main IC. On my moderate voltage tests the meter survived without trouble, but obviously not CAT III 600V as printed on its fascia. The ceramic fuses are hollow as well, thus fake.

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