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| Test Equipment Anonymous (TEA) group therapy thread |
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| grizewald:
--- Quote from: mansaxel on July 21, 2022, 04:35:21 am ---I used to live three stops closer to town. Nice area, that. Yours probably more so than where I lived. Now am on the other side of the city, but with much more forest: That, too, will burn if lit. We'll have to make sure it does not. --- End quote --- My only plus, if Majroskogen started to burn is that the local fire station is within 500 metres of me. Considering how dry it is now, I doubt if they would have much chance of doing anything about it though. It looks like you would be in similar trouble. A tinder dry forest right up to your property is pretty much a recipe for disaster as these heatwaves get more frequent. --- Quote from: mansaxel on July 21, 2022, 04:00:37 am --- Cut them in halves, dip them in boiling water for 1 minute, then fry them in a generous amount of butter with equally generous amounts of salt and pepper, until there's some browning. Serve. --- End quote --- I was going to say "where's the bacon fat", but Cerebus (obviously a man with good taste) beat me to it. :D On the TEA front, the Ukrainian and Swedish post organisations conspired to truly amaze me today. The Ukrainian post for still operating an efficient service in the middle of a war and the Swedish post for only taking four days from the arrival of my package in Sweden to delivering it to my local agent. They even managed to find the VAT payment that eBay had already made on my behalf and not try demanding that I pay it a second time, together with their charges! I really have no idea how good these three standard resistors are yet. They are 1, 10 and 100 ohms from 1982, 1970 and 1969 respectively. The only problem I have at the moment is that the Bakelite on the binding posts has embrittled to the point that it's just crumbling. Two fell apart almost immediately and another cracked as I was tightening it down on a spade connector. So tomorrow will be taken up with creating two suitable models, printing six of each and then breaking the remaining Bakelite to free all the inserts and melting them into the new housings. As for making any useful measurements, I think that's going to have to wait for my temperature controlled chamber to get finished and the indoor temperature to stabilise at something bearable. Right now, I can either have the AC off and watch the zero offset of my Datron go further and further negative as I start to sweat more and more, or have the AC on, be comfortable, and watch it climb in the other direction instead. :D |
| 25 CPS:
Continuing with the Keysight U1177A that had the leaked batteries in it, I decided to do a bench test to see if it was truly dead when a cleanup and new cells failed to bring it back to life. In the process, I discovered that another U1177A had leaked cells in it. Today just isn't my day. The Keysight one at the top was the DOA one that came with the U1231A multimeter, the one with the battery cover off is the one I just discovered went bad and the one on the right is good. This time it's GP instead of Duracell. I cleaned up the second one as well and decided to approach bench testing both of them using an external power supply clipped on to the battery compartment terminals along with a multimeter clipped onto the terminals in order to be confident that each U1177A was being energized and that the nominal 3V wasn't being blocked by bad, corroded contact surfaces. This also gave me an opportunity to take out that new U1253B for its first use. I also got out the U1115A remote logging display to scan for activity in case the status lights were dead but the adapter otherwise working. Canadian Research Institute is turned up to just over 3V in order to stand in for a pair of AAA cells for the tests. The pictures don't do the OLED display on the U1253B justice. It's gorgeous in person; hopefully the longevity issues have been resolved. Nothing. And nothing. No such luck. With either of them. So that's two U1177A that have been killed by leaking batteries. I might pop the plastic shells apart later and see if I can find and repair the damage at board level. Thankfully it's only U1177As that have been damaged. All three of the more useful, longer range, iOS compatible, much more expensive U1117As power up and have intact batteries on visual inspection. I've also got plenty of AA, AAA, and 9V batteries on hand so that saves having to go on a shopping spree. Considering what I just spent on the truck, that is a good thing, but given the age of some of these, I might set the first replacement cycle six months out from now instead of a full year. I might also pick up another U1117A to replace one of the dead ones if I can't fix either up at board level if I need to bump a shopping cart up for free shipping given the longer range and iOS compatibility those have over the U1177A. Still, I'm not happy about this happening at all. I'm going to go through the rest of the handheld equipment either tonight or tomorrow. In the meantime, a friend and I are going to grab a bite to eat and take the truck out for a nice evening cruise to road test the repairs the shop did on it today. |
| TERRA Operative:
--- Quote from: Zoli on July 21, 2022, 05:39:26 pm --- --- Quote from: TERRA Operative on July 21, 2022, 04:16:08 pm ---Anyone know how to see what file system is formatted on a floppy disk in MS DOS? I may have a bad/marginal disk, or it may be formatted in something other than a standard 1.44Mb FAT file system.. --- End quote --- FAT-12; but better check the the (TE)manufacturer forum/(news)group/discussions. BTW, did you get your FD-505? :-DD :-DD :-DD --- End quote --- I do have a fully rebuilt 5.25" Teac FD-55BV, and even managed to find an unused new-in-original-plastic 3.5" Mitsumi D353M30 FDD, the latter of which I was able to read the disk. Just gotta figure out what format the disk is. :-/O Does Win10 not like FAT-12 for some reason? --- Quote from: capt bullshot on July 21, 2022, 05:54:48 pm ---I'd try the command 'file' from linux (as in file /dev/whatever_the_floppy), or just try to mount it with linux, it recognizes a lot of file systems automatically. --- End quote --- I'll have to see what version of Linux I can run on a Dual-CPU Pentium 3 Dell Precision 410 workstation. :D |
| Cerebus:
This was both entertaining, and informative. Do the Knipex pliers win? |
| vk6zgo:
--- Quote from: Specmaster on July 21, 2022, 02:39:07 pm --- --- Quote from: grizewald on July 21, 2022, 12:25:12 am --- --- Quote from: Specmaster on July 19, 2022, 05:47:47 pm ---In case anyone is unaware, this is what is happening in London at the minute. I feel for those poor people affected and hope that everyone is safe and sound. If only the blonde buffoon hadn't reduced the fire cover when he should have been increasing it eh :palm: [video] --- End quote --- Finally got some time to look at the footage you posted. Truly horrific. I've never lost everything in a fire and hope I never do. It's hard to imagine how the people who used to live in those burned out shells are feeling at the moment. :( When I look at how little people's gardens protected them from the fire, it also makes me think about my situation... I live in the apartment marked by the red dot at the end of the building. If the forest that my bedroom looks out towards ever caught fire, it's game over and probably so quickly I wouldn't be able to save more than my passport, my daughter and our skins. --- End quote --- I'm hearing reports of yet another devastating fire in the Dagenham area of East London, where a field fire has spread and caused the evacuation of 5 streets and some houses have been lost in this fire as well, Cerebus might well know more, its his neck of the woods is that. --- End quote --- Welcome to our nightmare! |
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