Author Topic: Test Equipment Anonymous (TEA) group therapy thread  (Read 1806856 times)

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Online bd139

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Re: Test Equipment Anonymous (TEA) group therapy thread
« Reply #29550 on: April 17, 2019, 05:56:28 pm »
The cloud environment I'm supposed to work with locked up and kicked me out. The hours are still going to be billed, so I guess I'm paid for being on here. I'm not arguing.

Celebrate those moments. Had to wait two days for the last outfit to find out who was responsible for the firewall, raise the case with their MSP and get them to fix it. This was to open one ssh port so I could get in to do some work. Went and watched infinity war  :-DD
 

Offline Specmaster

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Re: Test Equipment Anonymous (TEA) group therapy thread
« Reply #29551 on: April 17, 2019, 05:59:18 pm »
Ok then here the photos of the 2 Solartron 7150 plus meters that I managed to win at last weeks auction. They have cleaned up really well, fully functioning and appear to with a few micro volts of their DC specification which is fine for me as I have no desire to slip down into that particular rabbit hole thank you very much. More on this later as they are both now awaiting the arrival of new mains filters after when spilled its guts last night  |O Both of them will eventually have the yellow dim back light LEDs replaced with some high power white LEDs to increase the lighting level of the display.

Year of manufacture is 1988 and I have not cleaned the insides as it was not required and considering these are 31 years old then I think the filters are entitled to be dicky if they have been left powered up all this time.
 
This one has the handle / bail missing so I'm looking for one of those.
Both of these came in their leather carrying case, less the covers.
Both had these stickers on them and years of grime.
Cases all cleaned up a treat, like new ones.
Side view showing handle stowed flat.
One with the handle in use as a stand.
Both front on, still slight sticker residue shown, now removed
Bottom board and front panel
Top board.
Who let Murphy in?
 
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Offline wch

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Re: Test Equipment Anonymous (TEA) group therapy thread
« Reply #29552 on: April 17, 2019, 06:20:39 pm »

First, the buy of the day, a Tektronix 2246 at auction with a starting bid of only 99.99USD...



BTW, shipping is 107.20USD

Only hours left...

https://www.ebay.com/itm/Tektronix-2246-opt-1Y/323777886235?hash=item4b62aa781b:g:ySQAAOSwHghcpl69


Tonight I am going to be back in the second of the two garages, helping sort through the remaining test gear and ham radio equipment. There are five pieces of  gear, some old Tek scope plugins, and a cardboard bin full of parts that might be of value. Mostly, I am hoping to separate out the stuff he can sell without too much trouble on ebay (mostly amateur radio gear) and find some useful discrete components for myself.
specialization is for insects.
 
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Offline Specmaster

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Re: Test Equipment Anonymous (TEA) group therapy thread
« Reply #29553 on: April 17, 2019, 06:24:46 pm »
@menm Yeah, fair point, all the same I'm making that modification to the plug end, unlike the surge suppressors etc built into power bars which need to be on 24/7 to protect other gear, its still in my book bad design in the meter to do it that way round, my Flukes 8840A and 8842A do not have this mains filter system and they don't suffer any effects from having unfiltered mains wiring within the enclosure. I mean why introduce another potentially ticking time bomb and fire hazard into the system :palm:   
Who let Murphy in?
 

Offline Specmaster

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Re: Test Equipment Anonymous (TEA) group therapy thread
« Reply #29554 on: April 17, 2019, 06:29:41 pm »

First, the buy of the day, a Tektronix 2246 at auction with a starting bid of only 99.99USD...



BTW, shipping is 107.20USD

Only hours left...

https://www.ebay.com/itm/Tektronix-2246-opt-1Y/323777886235?hash=item4b62aa781b:g:ySQAAOSwHghcpl69


Tonight I am going to be back in the second of the two garages, helping sort through the remaining test gear and ham radio equipment. There are five pieces of  gear, some old Tek scope plugins, and a cardboard bin full of parts that might be of value. Mostly, I am hoping to separate out the stuff he can sell without too much trouble on ebay (mostly amateur radio gear) and find some useful discrete components for myself.
I wish the seller good luck with that one, WTF were they thinking of?  :-DD
Who let Murphy in?
 

Online bd139

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Re: Test Equipment Anonymous (TEA) group therapy thread
« Reply #29555 on: April 17, 2019, 06:30:57 pm »
WTF indeed  :o
 

Online Wolfgang

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Re: Test Equipment Anonymous (TEA) group therapy thread
« Reply #29556 on: April 17, 2019, 07:00:27 pm »
sold in "as new" condition ?  >:D
 

Online Mr. Scram

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Re: Test Equipment Anonymous (TEA) group therapy thread
« Reply #29557 on: April 17, 2019, 07:56:48 pm »
"Pulled from a working environment"
 

Offline kj7e

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Re: Test Equipment Anonymous (TEA) group therapy thread
« Reply #29558 on: April 17, 2019, 07:58:13 pm »
Option 1Y, that must be for the custom Y shaped chassis.
 

Online bd139

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Re: Test Equipment Anonymous (TEA) group therapy thread
« Reply #29559 on: April 17, 2019, 08:20:59 pm »
Just found a very cool feature on my Racal 9915 counter. On the A input (40-520MHz) it has an AGC and a corresponding AGC output on the back of the unit.

So I was just building a frequency multiplier as I need a 30MHz source and only have 25MHz AWG (fail!). Easy enough - just shove a grounded emitter amp with a 30MHz tank on it (600nH + 22-ish pF) into the front of your 10MHz source (Rigol AWG). Well turns out if you plonk your DMM (or voltmeter) across the two AGC terminals on the back it'll allow you to get a rough signal strength indication. Pop it on the multiplier and tune for max value and job done! Very handy.

 

Offline bitseeker

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Re: Test Equipment Anonymous (TEA) group therapy thread
« Reply #29560 on: April 17, 2019, 09:30:44 pm »
they say the road to recovery for an addict is realizing you have a problem.

Doesn't work for TEA. Had the realization long ago. Still here. :-DD
I TEA.
 

Online Mr. Scram

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Re: Test Equipment Anonymous (TEA) group therapy thread
« Reply #29561 on: April 17, 2019, 09:32:36 pm »
The problem is that the road to recovery turns out to be blocked by an avalanche of a dozen or so oscilloscopes.
 

Offline bitseeker

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Re: Test Equipment Anonymous (TEA) group therapy thread
« Reply #29562 on: April 17, 2019, 09:41:02 pm »
Ok then here the photos of the 2 Solartron 7150 plus meters that I managed to win at last weeks auction.
...

...

Great cleanup. Added to POI.
I TEA.
 
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Offline bitseeker

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Re: Test Equipment Anonymous (TEA) group therapy thread
« Reply #29563 on: April 17, 2019, 09:53:22 pm »
The problem is that the road to recovery turns out to be blocked by an avalanche of a dozen or so oscilloscopes.

and power supplies...and frequency counters...and multimeters...and...

Reminds me of

« Last Edit: April 17, 2019, 09:55:13 pm by bitseeker »
I TEA.
 

Offline mnementh

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Re: Test Equipment Anonymous (TEA) group therapy thread
« Reply #29564 on: April 17, 2019, 10:44:28 pm »
The problem is that the road to recovery turns out to be blocked by an avalanche of a dozen or so oscilloscopes.

First, the buy of the day, a Tektronix 2246 at auction with a starting bid of only 99.99USD...

   BTW, shipping is 107.20USD   Only hours left...   https://www.ebay.com/itm/Tektronix-2246-opt-1Y/323777886235?hash=item4b62aa781b:g:ySQAAOSwHghcpl69

Tonight I am going to be back in the second of the two garages, helping sort through the remaining test gear and ham radio equipment. There are five pieces of  gear, some old Tek scope plugins, and a cardboard bin full of parts that might be of value. Mostly, I am hoping to separate out the stuff he can sell without too much trouble on ebay (mostly amateur radio gear) and find some useful discrete components for myself.

I just died a little inside...  :(

@menm Yeah, fair point, all the same I'm making that modification to the plug end, unlike the surge suppressors etc built into power bars which need to be on 24/7 to protect other gear, its still in my book bad design in the meter to do it that way round, my Flukes 8840A and 8842A do not have this mains filter system and they don't suffer any effects from having unfiltered mains wiring within the enclosure. I mean why introduce another potentially ticking time bomb and fire hazard into the system :palm:

Why not just plug them into an outlet strip? Or a power management center with multiple switches?

I get the why for the design; it's to keep unfiltered power OUTSIDE the unit. This is TOTALLY VALID; especially today, the world is an EMI/RF hostile environment. Why would you invite all that common-mode noise INSIDE with your uber-sensitive measuring equipment's  delicate innards?

The problem is that the road to recovery turns out to be blocked by an avalanche of a dozen or so oscilloscopes.

Hey!!! I'm shoveling as fast as I can!!!  |O

But I'm like... old & slow. If you don't like the pace, take a number.  >:D

mnem
*unfiltered*
 

Online bd139

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Re: Test Equipment Anonymous (TEA) group therapy thread
« Reply #29565 on: April 17, 2019, 11:16:40 pm »
Just had a socket block give up on me which has never happened before. Arse end 6-way off amazon just lost half the sockets. It's moulded shut I can't get into it.

So I'm looking on Amazon, Screwfix, RS etc and all they sell is shit. Is it possible to get a decent UK mains socket block anywhere these days?
 

Offline Specmaster

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Re: Test Equipment Anonymous (TEA) group therapy thread
« Reply #29566 on: April 18, 2019, 12:16:24 am »
They all seem to be of Chinese origin as far as I can see. You used to be able to buy some fairly decent Belkin ones years ago. I brought one to sit underneath a monitor years ago from Staples, its a Belkin Surge Master Model F5C100u that has 5 switched sockets and 1 flying unswitched socket. It also has sockets to accept a phone line (for the days when we modems) and also Network RJ45 sockets and most of my power strips are controlled via this as well and also strangely enough, most of those also have surge protection build as well. I also have a mini power pole with 10 unswitched 13A sockets (also from Staples but unknown brand) which also has sockets for phone line, modem and network so my gear is petty well protected anyway.    :-+                                                                                         
Who let Murphy in?
 

Online bd139

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Re: Test Equipment Anonymous (TEA) group therapy thread
« Reply #29567 on: April 18, 2019, 12:26:25 am »
Not too worried about surge as we have a surge protector built into our CU. Currently looking at these: https://www.brennenstuhl.com/en-AE/products/extension-leads/premium-line-extension-socket-6-way-5m-05vv-f-3g1-25-black-lightgrey-with-plug-gb ... CPC sell them.  Made in Germany instead of China
 

Offline Specmaster

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Re: Test Equipment Anonymous (TEA) group therapy thread
« Reply #29568 on: April 18, 2019, 12:37:21 am »
Yeah, they look OK but they also have surge protection built in. Seems that all this type of thing these days comes with it built in anyway.
Who let Murphy in?
 

Offline Neomys Sapiens

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Re: Test Equipment Anonymous (TEA) group therapy thread
« Reply #29569 on: April 18, 2019, 01:05:54 am »
"Pulled from a working environment"
Yes.
On a chain. Behind a tracked vehicle. Along the unpaved road till the end. And then on for a mile.
But yes.
 

Offline Cubdriver

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Re: Test Equipment Anonymous (TEA) group therapy thread
« Reply #29570 on: April 18, 2019, 01:13:18 am »
"Pulled from a working environment"
Yes.
On a chain. Behind a tracked vehicle. Along the unpaved road till the end. And then on for a mile.
But yes.

The "working environment" was a heavy equipment repair facility.  And they were using the poor thing as a wheel chock.

-Pat
If it jams, force it.  If it breaks, you needed a new one anyway...
 

Offline neo

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Re: Test Equipment Anonymous (TEA) group therapy thread
« Reply #29571 on: April 18, 2019, 03:18:47 am »
"Pulled from a working environment"
Yes.
On a chain. Behind a tracked vehicle. Along the unpaved road till the end. And then on for a mile.
But yes.

The "working environment" was a heavy equipment repair facility.  And they were using the poor thing as a wheel chock.

-Pat

Wouldn't doubt it actually, not the way that poor thing looks. Perhaps the perpetrator should be used as a wheel chock next?  >:D
A hopeless addict (and slave) to TEA and a firm believer that high frequency is little more than modern hoodoo.
 

Offline Housedad

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Re: Test Equipment Anonymous (TEA) group therapy thread
« Reply #29572 on: April 18, 2019, 04:08:21 am »
That will buff out....
At least I'm still older than my test equipment
 
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Offline blacksheeplogic

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Re: Test Equipment Anonymous (TEA) group therapy thread
« Reply #29573 on: April 18, 2019, 04:26:31 am »
First, the buy of the day, a Tektronix 2246 at auction with a starting bid of only 99.99USD...

   BTW, shipping is 107.20USD   Only hours left...   https://www.ebay.com/itm/Tektronix-2246-opt-1Y/323777886235?hash=item4b62aa781b:g:ySQAAOSwHghcpl69

I just died a little inside...  :(

99.99USD + shipping as well. There's no way that's going to sell. Free to a good home so some other poor broken life could possibly be saved otherwise it's landfill.
 

Offline kj7e

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Re: Test Equipment Anonymous (TEA) group therapy thread
« Reply #29574 on: April 18, 2019, 04:28:07 am »
Fixed the focus and flicker issue on the 2247A, just needed a small adjustment on the astigmatism and readout jitter.  Ended up doing a full cal procedure, came out really nice!  Very happy with it!  Replacement graticule illumination knob on the way, then it will be 100%.

« Last Edit: April 18, 2019, 05:31:54 am by kj7e »
 


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