Electronics > Repair

Solartron 7061 7.5 Digits Multimeter Teardown and Repair

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kblue:
Thanks for the reply. I ordered some new parts (including a supercap, same as in the picture unseenninja.

The only thing "missing" would be the calibration-key or another solution. The meter seems a bit out. 10.00000 VDC input with my fluke 8506a (recently back from calibration) shows 10.0004X (x is fluctuating a bit). Mayhaps it's because of bad testleads, as i am still waiting for the proper input-jack and stuff i ordered.

Calibration seems straight forward with this meter. As far as i understand the manual, all "VDC" ranges need to be calibrated separately? The example in the manual is about the "10 VDC" range.

Apart from that, i do love the blue digits. Even though, replacement of this VFD could be a problem in the future.

Best wishes!

kblue:
Still looking for a key-replacements or another solution like ... known pin-layout what connections needs to be shorted/open for Cal/NonCal-Mode.

Thanks in advance!

factory:
There must be someone nearer to you, that could take a cal key to a cutting shop & get a copy made, I thought they all used the same type?

Edit: someone is already selling copies on ePay;
https://www.ebay.de/itm/255643980121

David

unseenninja:
I can vouch for the keys from that seller. They work in all Solartron meters of that time, including the 7061.

Kurets:
I have hand filed a key and can provide a drawing for you if you like. I also have two key blanks that I could provide if you are in Europe. Maybe I could file the key for you, but I am getting ready to move house so I don't know that I'll have the time anytime soon.

Edit: I see that you are in Berlin. I think that I bought my key blanks from Germany, so I will look this up and get back to the thread with more info.

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