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EEVBlog 121GW Discussion thread

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ve2mrx:
Hi Dave!

Thanks for the explanation!

Indeed, I found it odd that the PCB was 2019-09 and it was supposed to be "pre-Kickstarter"... I figured all that was "Pre-Kickstarter" was the meter's shell and boot, meticulously upgraded with the new guts :P

Well, your comment explains everything!

Thanks!
Martin
near Montreal, Quebec, Canada

cowasaki:
To be honest I am less than impressed with the 121gw. An experienced engineer should not not to resort to the manual every time he wants to do something that is basically simple. I’m just trying to work out the wiring in a speaker cab. The difference between the resistances is small but the leads I’m using are showing as 1.5 ohms. Now that probably because I’m going through several adapters but I don’t have five arms so it’s the only way I can manage with what I have with me. Simple just zero the probes and it’s not a problem!!!!

Err no. How do I zero the probes? On my Keighley there is a nice zero button. On the 121gw? No I can’t work it out. This is the second time I’ve had issues with this DMM and it’s the second time I’ve used it. The first first it wouldn’t read certain resistances at all because it was in some mode.

Any clues?  If it had been a £10 DDM I would have chucked it out of the window by now

newbrain:

--- Quote from: cowasaki on June 25, 2020, 12:01:47 pm ---Err no. How do I zero the probes? On my Keighley there is a nice zero button. On the 121gw?

--- End quote ---
The's a nice REL-Δ button.

Exactly the same as on my Fluke 87V, and FWIW, the UNI-T 61-D I previously had...
Or did I misunderstand something? :-//

beanflying:

--- Quote from: cowasaki on June 25, 2020, 12:01:47 pm ---To be honest I am less than impressed with the 121gw. An experienced engineer should not not to resort to the manual every time he wants to do something that is basically simple. I .... Snip

--- End quote ---

 :o Rel, Zero, Null ........ all in common use so  :-//

cowasaki:
That was the first thing I tried REL doesn’t do anything at all.

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