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Vintage Test Gear and Workshop Equipment For discussions about vintage test gear and workshop equipment such as coil winders.

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Old 4th Dec 2023, 2:47 pm   #3261
The Philpott
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Default Re: AVO Multimeter survey

Another DC Avominor Type HR has come out of the woodwork, s/n 338-39.
(Meter 338 from March 1939) The gold leaf legend on the box is in very good condition judging by the photos.

This makes 11 known extant examples, the earliest August 1938, the latest January 1941.

When less were known they fetched more money from the enlightened, but i'm rather happy that we're getting more examples coming up, and also people are willing to disclose serial numbers. With 338-39 i advised the seller how to damp the movement, so it should have arrived at it's new home with no further deterioration. Where that home is; i have no idea.

Dave
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Old 4th Dec 2023, 10:49 pm   #3262
Fummelfinger
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Default Re: AVO Multimeter survey

I have two, AVO 8 mk3, both bought on Ebay a few years back from U.K. sellers. The younger one arrived with a defective meter movement so I bought another and with much better luck that time. The serial numbers are 5591.1164 and 72598. 168.
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Old 31st Dec 2023, 4:06 pm   #3263
AndyGilham
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Default Re: AVO Multimeter survey

Good morning all on this last day of 2023.

Today I took delivery of a Protimeter Moisture Meter (serial 137-856 [August 1956]). I know these have been discussed on the forum, as they utilise the Universal Avominor enclosure; although not an Avometer, there is interest there.
A nice addition to the collection.

I hope you all have a great new year and prosperous 2024.
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Old 1st Jan 2024, 11:22 am   #3264
WaveyDipole
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Default Re: AVO Multimeter survey

Don't think I have ever seen one of those before. Thank you for posting the details and pics.
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Old 1st Jan 2024, 11:30 am   #3265
AndyGilham
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Default Re: AVO Multimeter survey

Interestingly, there is another on Ebay at the moment.
But I don't need two!
Andy
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Old 1st Jan 2024, 2:14 pm   #3266
The Philpott
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Default Re: AVO Multimeter survey

Thanks Andy. As previously mentioned the damp probe as supplied with the meter has prongs that are supposed to be around 15mm apart, according to an ebay vendor i contacted.

(Mine is missing the special probe..)

Dave
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Old 9th Feb 2024, 1:47 am   #3267
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Default Re: AVO Multimeter survey

I have digital DA114 s/n 1048, a Nixie tube jobbie. Had this from new and still have the manual.

I have just replaced a dozen ERIE 30V 0.1MFD capacitors, a while back the decimal points that were supposed to be off were glowing slightly, this was caused by said capacitors, the worst was reading about 2M and the ‘best’ one only about 10M. Only other problem was the main IC a MC902 that failed early in it’s life, they sent me a ceramic looking replacement.
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