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Test Equipment Anonymous (TEA) group therapy thread
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Vince:
Oh, I see Mouser says they have none in stock and expect delivery  in 12 MONTHS !  :scared:

Oops...

They do have the mega32 in stock though.
25 CPS:
I needed to knock out some errands at home today so I grabbed that U1231A + U1177A multimeter and IR -> Bluetooth dongle I picked up for cheap a while ago and got started by putting new batteries in the U1177A which wouldn't power up.  And groan:



Pop those out, do a fast cleanup job with an old toothbrush and it still won't power up with new batteries.  I'll go at the battery contacts properly later and see if it can be salvaged.

Next, the thermometer receiver in the bathroom conked so I took the batteries that were going to go into the U1177A and went to put them in that.  And groan:





Today seems to be the day for leaked AAA cells.  At least I was able to get the thermometer receiver cleaned up and working again.  My next test equipment project is going to be to pull everything that's battery powered and replace the batteries and start a spreadsheet to track battery changes.  I'm tossing the idea around of replacing them annually if they don't run down and get replaced sooner to stay ahead of any potential leaks damaging something that could be expensive.

I know a lot of people seek long battery life in multimeters for understandable reasons but at the same time, there is something to be said for meters running them down quick enough that they don't hang around long enough to become destructive.
srb1954:

--- Quote from: tggzzz on July 20, 2022, 07:21:17 pm ---
--- Quote from: dl6lr on July 20, 2022, 04:12:37 pm ---On unrelated news: The -hp- 4952A with some photos (outside only at the moment), more to come...

--- End quote ---

Firmware written in Smalltalk, IIRC. Hardware engineers (in Tek and HP) rapidly recognised good languages/environments when they saw it :)

--- End quote ---
However, HP weren't so good at making their minds up on which microprocessor to use in the 4952A. There are at least 3 different architecture processors used in this product.

It must have been a nightmare to manage 3 different S/W teams. |O
Cubdriver:

--- Quote from: 25 CPS on July 20, 2022, 10:23:52 pm ---I needed to knock out some errands at home today so I grabbed that U1231A + U1177A multimeter and IR -> Bluetooth dongle I picked up for cheap a while ago and got started by putting new batteries in the U1177A which wouldn't power up.  And groan:



Pop those out, do a fast cleanup job with an old toothbrush and it still won't power up with new batteries.  I'll go at the battery contacts properly later and see if it can be salvaged.

Next, the thermometer receiver in the bathroom conked so I took the batteries that were going to go into the U1177A and went to put them in that.  And groan:





Today seems to be the day for leaked AAA cells.  At least I was able to get the thermometer receiver cleaned up and working again.  My next test equipment project is going to be to pull everything that's battery powered and replace the batteries and start a spreadsheet to track battery changes.  I'm tossing the idea around of replacing them annually if they don't run down and get replaced sooner to stay ahead of any potential leaks damaging something that could be expensive.

I know a lot of people seek long battery life in multimeters for understandable reasons but at the same time, there is something to be said for meters running them down quick enough that they don't hang around long enough to become destructive.

--- End quote ---

Ouch!!!

Eneloops will be your friends.


Those blue ones are over ten years old.

-Pat
med6753:

--- Quote from: Cubdriver on July 20, 2022, 10:57:13 pm ---
--- Quote from: 25 CPS on July 20, 2022, 10:23:52 pm ---I needed to knock out some errands at home today so I grabbed that U1231A + U1177A multimeter and IR -> Bluetooth dongle I picked up for cheap a while ago and got started by putting new batteries in the U1177A which wouldn't power up.  And groan:



Pop those out, do a fast cleanup job with an old toothbrush and it still won't power up with new batteries.  I'll go at the battery contacts properly later and see if it can be salvaged.

Next, the thermometer receiver in the bathroom conked so I took the batteries that were going to go into the U1177A and went to put them in that.  And groan:





Today seems to be the day for leaked AAA cells.  At least I was able to get the thermometer receiver cleaned up and working again.  My next test equipment project is going to be to pull everything that's battery powered and replace the batteries and start a spreadsheet to track battery changes.  I'm tossing the idea around of replacing them annually if they don't run down and get replaced sooner to stay ahead of any potential leaks damaging something that could be expensive.

I know a lot of people seek long battery life in multimeters for understandable reasons but at the same time, there is something to be said for meters running them down quick enough that they don't hang around long enough to become destructive.

--- End quote ---

Ouch!!!

Eneloops will be your friends.


Those blue ones are over ten years old.

-Pat

--- End quote ---

Manufactured / distributed by Papa Smurf's Shade Tree Battery Works.  :P :-DD
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