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EEVblog 121GW Multimeter Issues

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oliv3r:
The changes I see are very 'sine-ey' so that wouldn't be a supprise. The difference between the two multimeters is a big supprise however, which I care more about?

EEVblog:

--- Quote from: toomuchesr on December 11, 2022, 08:52:11 am ---
--- Quote from: toomuchesr on December 02, 2022, 11:08:11 am ---Hi Dave!

Mine has the "cracked plug" problem as well. Serial starts with 1808071__

I would be happy to know which replacement part I could source and where (I'm in the EU).

Thank you!

BR, Hendrik

--- End quote ---

🥺 Dave? Or anyone else who knows which part to source?

--- End quote ---

Send me an email with your address and I'll send you one.

uer166:

--- Quote from: tautech on December 02, 2019, 10:51:17 pm ---
--- Quote from: uer166 on December 02, 2019, 10:43:25 pm ---Wow so first the A/mA jacks cracked at top, now entire Volt jack sleeve came off from next to no use of meter  :--

See attached..

--- End quote ---
Bad batch, see here:
https://www.eevblog.com/forum/testgear/eevblog-121gw-multimeter-issues/msg2792850/#msg2792850

--- End quote ---

It happened again with the replacement as well after a few months. Is this maybe just a general problem with these input not supporting say unshrouded banana jacks? I do sometimes use Pomona bananas in the meter. @Dave maybe you can setup a store item for replacement jack assemblies?

snoozer:
Hello,

I am glad I found this in the forum, I was a bit puzzled why the sleeve around the positive V terminal broke cause I don't do anything mobile or off the bench and always use test leads with the shround around the conductor.Is that input terminal assembly still available for replacement or do I have to send my 121GW to the supplier to get fixed ? I bought mine from Welectron with an invoice date of 28/08/2019.

Kind Regards
Jan P.

mbalmer:
I'm having an issue with my 121GW that I can't seem to figure out.

Firmware is v2.05, S/N is 210403337.

When trying to measure frequency, the meter just seems to ignore any signals it's given. I initially noticed it when I was trying to measure the frequency of a composite sync signal to make sure that it was properly tuned, and the meter was constantly reading zero. I then tried attaching the leads to my HP function generator with a 1KHz square wave and the meter just acted like it wasn't there.

It's almost like the leads are completely disconnected when the meter is set to Hz mode. All of the other modes work fine, but for whatever reason, I can't get the thing to respond when measuring frequencies.

Any ideas?

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