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Test Equipment Anonymous (TEA) group therapy thread

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Ero-Shan:

--- Quote from: Specmaster on May 13, 2018, 10:22:20 am ---
--- Quote from: bd139 on May 13, 2018, 10:07:05 am ---Ero-Shan. That corrosion looks like typical stuff you get on steel/aluminium joints. It does it all by itself. I had a Land Rover that basically looked like that all over.

--- End quote ---
Yes its the reaction of 2 dissimilar metals in direct contact with each other that will cause that kind of corrosion if they become subjected to moisture so its possible that it might have had some liquid spilled on it or has been in a damp environment for a time.

--- End quote ---
The main corrosion appears far from where the 2 metals are joined. This is just weird. Whatever, I removed all the powdery stuff. And from the outside it can't be seen.  ;D

Specmaster:
Could it be perhaps that maybe a screw, washer or a nut or other such similar think like a shield might have laid there for a while and corroded away and your left with the residue?

factory:

--- Quote from: Ero-Shan on May 13, 2018, 09:45:47 am ---
--- Quote from: Specmaster on May 13, 2018, 08:32:12 am ---
--- Quote from: Ero-Shan on May 13, 2018, 06:47:26 am ---
--- Quote from: Cerebus on May 10, 2018, 11:18:45 pm ---Talking of TEA things that tempt me but I'm not going to bite on, there's a FLUKE 5440B Direct Voltage Calibrator going as a buy it now for £450 on ebay UK if anybody's interested. Start your own home cal lab!

--- End quote ---



If I lived in the UK I'd made an offer already. This is the thing I'm sorely missing! £450 isn't really much if it works.

--- End quote ---
Problem being of course is that it would need it to be calibrated first once you repaired it [emoji48]

From mobile device so predictive text might have struck again [emoji83]

--- End quote ---
I was under the impression that the calibrator is in working condition.
My Knick allows me to generate up to 150 volts DC, but above that I have nothing, and I also have no stable AC source.
The Fluke may not be calibrated, but it might generate stable voltages over a wide range.

--- End quote ---

If it is working, why couldn't they be bothered to show it powered up? Then again the seller seems to be one of those places that lists/sells the items for you.
Hopefully they haven't tried sticking 240V into it given the label showing it set for 115V supply voltage, also the box it's pictured in would probably cause the item to get damaged in shipping as there is no room for proper packing.

David

Ero-Shan:

--- Quote from: Specmaster on May 13, 2018, 11:20:12 am ---Could it be perhaps that maybe a screw, washer or a nut or other such similar think like a shield might have laid there for a while and corroded away and your left with the residue?

--- End quote ---
I frankly don't know. Whatever caused this didn't damage the electronics, though. That's the main thing, so I'm content.

Specmaster:

--- Quote from: factory on May 13, 2018, 01:17:21 pm ---
--- Quote from: Ero-Shan on May 13, 2018, 09:45:47 am ---
--- Quote from: Specmaster on May 13, 2018, 08:32:12 am ---
--- Quote from: Ero-Shan on May 13, 2018, 06:47:26 am ---
--- Quote from: Cerebus on May 10, 2018, 11:18:45 pm ---Talking of TEA things that tempt me but I'm not going to bite on, there's a FLUKE 5440B Direct Voltage Calibrator going as a buy it now for £450 on ebay UK if anybody's interested. Start your own home cal lab!

--- End quote ---
I was going to say about it being set for 115v and that if they've connected it to 240v then it will almost certainly require a lot of fixing. For something that cost the best part $14,000 new it doesn't look like its been cared for much either. It does however seem to be attracting plenty of watchers, it had 10 at the last check.



If I lived in the UK I'd made an offer already. This is the thing I'm sorely missing! £450 isn't really much if it works.

--- End quote ---
Problem being of course is that it would need it to be calibrated first once you repaired it [emoji48]

From mobile device so predictive text might have struck again [emoji83]

--- End quote ---
I was under the impression that the calibrator is in working condition.
My Knick allows me to generate up to 150 volts DC, but above that I have nothing, and I also have no stable AC source.
The Fluke may not be calibrated, but it might generate stable voltages over a wide range.

--- End quote ---

If it is working, why couldn't they be bothered to show it powered up? Then again the seller seems to be one of those places that lists/sells the items for you.
Hopefully they haven't tried sticking 240V into it given the label showing it set for 115V supply voltage, also the box it's pictured in would probably cause the item to get damaged in shipping as there is no room for proper packing.

David

--- End quote ---

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