Give this a Thumbs Up if you like it, it helps to grow the channel.
I was cleaning out and sorting out storage boxes from my roof space to allow me to do some renovation work on the ceiling.
I had to go through a load of boxes which I have been storing up there for various lengths of time, this video shows some of the items I have tucked away which I will be doing either teardown videos on, or testing/repair videos on, I had some interesting bits of gear up there which I had forgotten about.
Please help to support me so I can continue making more repair videos: PayPal Donations: payments_to@radiomods.co.nz Patreon: https://www.patreon.com/TheDefpom #ifixstuff #thedefpom #electronicsrepair TheDefpom Merchandise: https://teespring.com/stores/thedefpom ========================================== Some Of My Electronics Tools (video and purchase links) ==========================================
Remember to subscribe !
I modified this mic previously to improve its audio level and quality, but I still wasn't happy enough with it, so this shows me modifying it even more, by adding a small electret mic amplifier to it.
See part 1 here: https://www.youtube.com/watch?v=P0urta7ovPQ
Give this a Thumbs Up if you like it, it helps to grow the channel, also please share the video with your friends to help the channel to grow !
If you feel like donating some money to help fund my purchase of items for the channel please use one of the methods below, cheers !
PayPal Donations: https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=SDDYPAS9BJ2CE
Patreon: https://www.patreon.com/TheDefpom #ifixstuff #thedefpom #electronicsrepair
TheDefpom Merchandise: https://teespring.com/stores/thedefpom
==========================================
Some Of My Electronics Tools (video and purchase links)
==========================================
Boonton
------
4220.
8210: https://defs.link/?u=e1eddc
Fluke
------
8842A:
45: https://defs.link/?u=eac51d
343A: https://defs.link/?u=13c93d
5200A: https://defs.link/?u=a43c99
540B: https://defs.link/?u=0c6bd9
893A.
A90.
HP/Agilent/Keysight
------
4261A: https://defs.link/?u=07ed95
5005A.
5342A 18GHz: https://defs.link/?u=5f7513
6181B: https://defs.link/?u=b12aef
8012B: https://defs.link/?u=ca5764
8648B: https://defs.link/?u=da52a3
8901B: https://defs.link/?u=535835
DSOX1102G: https://defs.link/?u=a68d39 https://defs.link/?u=12d498
E3646A: https://defs.link/?u=128f4a
Marconi
------
2022D.
2955.
TF2103: https://defs.link/?u=61baaa
Rohde & Schwarz
------
SMY: https://defs.link/?u=93514b
CMU200: https://defs.link/?u=8ccd72
Polarad SPN: https://defs.link/?u=2ead82
Siglent
------
SDM3065X: https://defs.link/?u=1ed0fe https://defs.link/?u=12d498
SDS2102 (hacked to 340MHz): https://defs.link/?u=1ed0fe https://defs.link/?u=12d498
SPL-1008.
SDP1168X: https://defs.link/?u=1ed0fe https://defs.link/?u=12d498
SDL1020X-E: https://defs.link/?u=a0eccb
Other Equipment
------
KSGER T12 Soldering Iron: https://defs.link/?u=620ace http://defs.link/?u=5c112e
Quick 861DW: https://defs.link/?u=138c0f https://defs.link/?u=a3fc81
S-993A: https://defs.link/?u=079677 https://defs.link/?u=e855a0
EEVBlog BM235: https://defs.link/?u=12d498
YR1030 Battery ESR: https://defs.link/?u=c56527
Heathkit IT-12 Signal Tracer.
Racal Dana 1992: https://defs.link/?u=8eeeba
Bird 43: https://defs.link/?u=4b18f7
Sinadder 3: https://defs.link/?u=2bf1dd
Audio Control SA-3050A RTA: https://defs.link/?u=a04df2
Korad KA3305D: https://defs.link/?u=69090a
PDVS2mini: https://defs.link/?u=869ba4
Valhalla 2703: https://defs.link/?u=06bcfc
Feeltech FY6800: https://defs.link/?u=8b98cd http://defs.link/?u=34d101
Eakins Microscope: https://defs.link/?u=b027
...
https://www.youtube.com/watch?v=1bECoDeTayI
Remember to subscribe !
This shows my investigation into why the washing machine would not finish a cycle, and would just sit there with 11 minutes or so to run, eventually it would alarm with an unbalance fault, even though it was not unbalanced (probably just a fallback fault if it cannot detect what is wrong).
It would drain the water out, and rotate the drum,but would not do a high speed spin, I pulled it apart and removed the motor because although it seemed to be working OK, it was making a ticking sound, something it didn't used to do.
I found a manual online for the 708 model, which is similar but still fairly different, this mentioned getting into a test menu to test all the functions out, which was helpful.
I do manage to get it working again, strangely the only thing I did was swap the brushes around, as one was more worn than the other, this changed the motor sound to be more of a whir instead, like it used to be, so I suspect that the brushes could of been the problem (or it could of been a bad electrical connection onto the motor, as I disturbed that also).
Please support me so I can make more repair videos: https://www.patreon.com/TheDefpom #ifixstuff #thedefpom #electronicsrepair
TheDefpom Merchandise: https://teespring.com/stores/thedefpom
==========================================
Some Of My Electronics Tools (video and purchase links)
==========================================
Boonton
------
4220.
8210: https://defs.link/?u=e1eddc
Fluke
------
8842A:
45: https://defs.link/?u=eac51d
343A: https://defs.link/?u=13c93d
5200A: https://defs.link/?u=a43c99
540B: https://defs.link/?u=0c6bd9
893A.
A90.
HP/Agilent/Keysight
------
4261A: https://defs.link/?u=07ed95
5005A.
5342A 18GHz: https://defs.link/?u=5f7513
6181B: https://defs.link/?u=b12aef
8012B: https://defs.link/?u=ca5764
8648B: https://defs.link/?u=da52a3
8901B: https://defs.link/?u=535835
DSOX1102G: https://defs.link/?u=a68d39 https://defs.link/?u=12d498
E3646A: https://defs.link/?u=128f4a
Marconi
------
2022D.
2955.
TF2103: https://defs.link/?u=61baaa
Rohde & Schwarz
------
SMY: https://defs.link/?u=93514b
CMU200: https://defs.link/?u=8ccd72
Polarad SPN: https://defs.link/?u=2ead82
Siglent
------
SDM3065X: https://defs.link/?u=1ed0fe https://defs.link/?u=12d498
SDS2102 (hacked to 340MHz): https://defs.link/?u=1ed0fe https://defs.link/?u=12d498
SPL-1008.
SDP1168X: https://defs.link/?u=1ed0fe https://defs.link/?u=12d498
SDL1020X-E: https://defs.link/?u=a0eccb
Other Equipment
------
KSGER T12 Soldering Iron: https://defs.link/?u=620ace http://defs.link/?u=5c112e
Quick 861DW: https://defs.link/?u=138c0f https://defs.link/?u=a3fc81
S-993A: https://defs.link/?u=079677 https://defs.link/?u=e855a0
EEVBlog BM235: https://defs.link/?u=12d498
YR1030 Battery ESR: https://de
...
https://www.youtube.com/watch?v=4My4LPqM-y8
I teardown and repair a broken fly zapper / bug zapper / mosquito zapper / camping light
This is a combination camping light and mosquito zapper, which runs from an 18650 cell, it was damaged by overcharging and the charge controller IC (4056) failed.
So I replace the blown IC and a shorted surface mount ceramic capacitor to restore the insect zapper to working condition.
Subscribe: https://defs.link/?u=ffa106
Click the Bell Icon to get notifications about my future videos!
Thumbs Up and Share the video with your friends so they get to see the video too!
Affiliate links: (Bookmark and buy using them)
Banggood: https://defs.link/?u=5d46ae
Amazon Store: https://www.amazon.com/shop/thedefpomsrepairchannel
My Merchandise: https://teespring.com/stores/TheDefpom
Test Equipment Repair Videos: https://www.youtube.com/playlist?list=PL2z3V9RkHQE21HOatpZqBT7XPDF-xVgYp
Electronics & Repair Videos: https://www.youtube.com/playlist?list=PL2z3V9RkHQE3HC6pRLVhotWsQbshtmLcw
Review & Teardown Videos: https://www.youtube.com/playlist?list=PL2z3V9RkHQE3BQ0oNHtWTPQ-0QslbrgEb
Mailbag / Postbag Videos: https://www.youtube.com/playlist?list=PL2z3V9RkHQE1ba-zQlmWqBLqhZPDR6wFj
Electronics Projects Videos: https://www.youtube.com/playlist?list=PL2z3V9RkHQE3scjKfNCTPedENrGu2zViF
Apple Repair Videos: https://www.youtube.com/playlist?list=PL2z3V9RkHQE1vu2Hh_8Mg5NhVSWzbPWFD
CB & HAM Radio Videos: https://www.youtube.com/playlist?list=PL2z3V9RkHQE3ki74hMMitH9aRlLa9ZgZx
Donate so I can make more videos for you:
Become a Patreon!: https://defs.link/?u=fcb3a1
PayPal Donations: https://defs.link/?u=b099ee
My website: https://www.TheDefpom.com
My Twitter: https://www.twitter.com/TheDefpom
My Thingiverse for 3D printed replacement test equipment parts: https://defs.link/?u=0347b1
I upload new videos at the same time each morning (NZ Time) at least 3 times a week, on Monday, Wednesday and Friday at a minimum, if possible I will also do a Live Stream on a Sunday morning, so watch out for those too.
#TheDefpom
#IFixStuff
#RepairVideo
#Electronics
#Repair
#InsectZapper
#Review
#Defpom
#bigclivedotcom
==========================================
Some Of My Electronics Tools (video and purchase links)
==========================================
Boonton
------
4220.
8210: https://defs.link/?u=e1eddc
Fluke
------
8842A:
45: https://defs.link/?u=eac51d
343A: https://defs.link/?u=13c93d
5200A: https://defs.link/?u=a43c99
540B: https://defs.link/?u=0c6bd9
893A.
A90.
HP/Agilent/Keysight
------
4261A: https://defs.link/?u=07ed95
5005A.
5342A 18GHz: https://defs.link/?u=5f7513
6181B: https://defs.link/?u=b12aef
8012B: https://defs.link/?u=ca5764
8648B: https://defs.link/?u=da52a3
8901B: https://defs.link/?u=535835
DSOX1102G: https://defs.link/?u=a68d39 https://defs.link/?u=12d498
...
https://www.youtube.com/watch?v=xbtS9molhfs
Remember to subscribe !
Measurement & Analysis Instruments: https://goo.gl/gPxTxT
Give this a Thumbs Up if you like it share the video with your friends, it helps to grow the channel.
To donate money to the channel please use one of the methods below, cheers !
Patreon: https://www.patreon.com/TheDefpom
PayPal Donations: https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=SDDYPAS9BJ2CE
Test equipment appeal: https://www.youtube.com/watch?v=cDFThnxqDWU #ifixstuff #thedefpom #electronicsrepair
TheDefpom Merchandise: https://teespring.com/stores/thedefpom
...
https://www.youtube.com/watch?v=dshePl_xLJQ
0:06 - Paintless Dent Repair Puller: https://defs.link/?u=8db923
1:18 - Lilygo T5 ESP32 E-Paper Display: https://defs.link/?u=b6b0c4
2:33 - Mr Signal MR9270S+ Multifunction Generator: https://defs.link/?u=a071b0
4:18 - A1281 MacBook Pro Battery: https://defs.link/?u=111e73
5:16 - Arduino Uno R3 328P: https://defs.link/?u=d5a167
5:57 - Ebyte E32-DTU LoRa Modules: https://defs.link/?u=7c5808
6:40 - Ebyte E32 LoRa Modules: https://defs.link/?u=164f63
8:11 - 1W 9V Solar Panels: https://defs.link/?u=c6f76b
Subscribe: https://defs.link/?u=ffa106
Click the Bell Icon to get notifications about my future videos!
Thumbs Up and Share the video with your friends so they get to see the video too!
Affiliate links: (Bookmark and buy using them)
Banggood: https://defs.link/?u=5d46ae
Amazon Store: https://www.amazon.com/shop/thedefpomsrepairchannel
My Merchandise: https://teespring.com/stores/TheDefpom
Test Equipment Repair Videos: https://www.youtube.com/playlist?list=PL2z3V9RkHQE21HOatpZqBT7XPDF-xVgYp
Electronics & Repair Videos: https://www.youtube.com/playlist?list=PL2z3V9RkHQE3HC6pRLVhotWsQbshtmLcw
Review & Teardown Videos: https://www.youtube.com/playlist?list=PL2z3V9RkHQE3BQ0oNHtWTPQ-0QslbrgEb
Mailbag / Postbag Videos: https://www.youtube.com/playlist?list=PL2z3V9RkHQE1ba-zQlmWqBLqhZPDR6wFj
Electronics Projects Videos: https://www.youtube.com/playlist?list=PL2z3V9RkHQE3scjKfNCTPedENrGu2zViF
Apple Repair Videos: https://www.youtube.com/playlist?list=PL2z3V9RkHQE1vu2Hh_8Mg5NhVSWzbPWFD
CB & HAM Radio Videos: https://www.youtube.com/playlist?list=PL2z3V9RkHQE3ki74hMMitH9aRlLa9ZgZx
Donate so I can make more videos for you:
Become a Patreon!: https://defs.link/?u=fcb3a1
PayPal Donations: https://defs.link/?u=b099ee
My website: https://www.TheDefpom.com
My Twitter: https://www.twitter.com/TheDefpom
My Thingiverse for 3D printed replacement test equipment parts: https://defs.link/?u=0347b1
==========================================
Some Of My Electronics Tools (video and purchase links)
==========================================
Boonton
------
4220.
8210: https://defs.link/?u=e1eddc
Fluke
------
8842A:
45: https://defs.link/?u=eac51d
343A: https://defs.link/?u=13c93d
5200A: https://defs.link/?u=a43c99
540B: https://defs.link/?u=0c6bd9
893A.
A90.
HP/Agilent/Keysight
------
4261A: https://defs.link/?u=07ed95
5005A.
5342A 18GHz: https://defs.link/?u=5f7513
6181B: https://defs.link/?u=b12aef
8012B: https://defs.link/?u=ca5764
8648B: https://defs.link/?u=da52a3
8901B: https://defs.link/?u=535835
DSOX1102G: https://defs.link/?u=a68d39 https://defs.link/?u=12d498
E3646A: https://defs.link/?u=128f4a
Marconi
------
2022D.
2955.
TF2103: https://defs.link/?u=61baaa
Rohde & Schwarz
...
https://www.youtube.com/watch?v=sVSHllqNGM8
Remember to subscribe and click the Bell Icon to get notifications!
Small LED Lamp: https://defs.link/?u=c5f301
Large LED Lamp: https://defs.link/?u=bd6fe3
Camera Swivel Mount: https://defs.link/?u=37b64e
LED Corn Lamp: https://defs.link/?u=e7458e
0.5m 3.5mm Stereo Extension Cable: https://defs.link/?u=eb2ad2
1m 3.5mm Stereo Extension Cable: https://defs.link/?u=236aca
0.1mm Female Header: https://defs.link/?u=4a8de8
PCMCIA to SC Card Adaptor: https://defs.link/?u=d68513
9mm Fabric Tape: https://defs.link/?u=f3e516
Affiliate links: (buy from them using my links below)
Banggood: https://defs.link/?u=5d46ae
Give this a Thumbs Up if you like it share the video with your friends, it helps to grow the channel.
To help support the channel please use one of the methods below, cheers !
PayPal Donations: https://defs.link/?u=b099ee
Patreon: https://www.patreon.com/TheDefpom
Test equipment appeal: https://www.youtube.com/watch?v=cDFThnxqDWU #ifixstuff #thedefpom #electronicsrepair
TheDefpom Merchandise: https://teespring.com/stores/thedefpom
==========================================
Some Of My Electronics Tools (video and purchase links)
==========================================
Boonton
------
4220.
8210: https://defs.link/?u=e1eddc
Fluke
------
8842A:
45: https://defs.link/?u=eac51d
343A: https://defs.link/?u=13c93d
5200A: https://defs.link/?u=a43c99
540B: https://defs.link/?u=0c6bd9
893A.
A90.
HP/Agilent/Keysight
------
4261A: https://defs.link/?u=07ed95
5005A.
5342A 18GHz: https://defs.link/?u=5f7513
6181B: https://defs.link/?u=b12aef
8012B: https://defs.link/?u=ca5764
8648B: https://defs.link/?u=da52a3
8901B: https://defs.link/?u=535835
DSOX1102G: https://defs.link/?u=a68d39 https://defs.link/?u=12d498
E3646A: https://defs.link/?u=128f4a
Marconi
------
2022D.
2955.
TF2103: https://defs.link/?u=61baaa
Rohde & Schwarz
------
SMY: https://defs.link/?u=93514b
CMU200: https://defs.link/?u=8ccd72
Polarad SPN: https://defs.link/?u=2ead82
Siglent
------
SDM3065X: https://defs.link/?u=1ed0fe https://defs.link/?u=12d498
SDS2102 (hacked to 340MHz): https://defs.link/?u=1ed0fe https://defs.link/?u=12d498
SPL-1008.
SDP1168X: https://defs.link/?u=1ed0fe https://defs.link/?u=12d498
SDL1020X-E: https://defs.link/?u=a0eccb
Other Equipment
------
KSGER T12 Soldering Iron: https://defs.link/?u=620ace http://defs.link/?u=5c112e
Quick 861DW: https://defs.link/?u=138c0f https://defs.link/?u=a3fc81
S-993A: https://defs.link/?u=079677 https://defs.link/?u=e855a0
EEVBlog BM235: https://defs.link/?u=12d498
YR1030 Battery ESR: https://defs.link/?u=c56527
Heathkit IT-12 Signal Tracer.
Racal Dana 1992: https://defs.link/?u=8eeeba
Bird 43: https://defs.link/?u=4b18f7
Sinadder 3: https://defs.link/?u=2bf1dd
Audio Control SA-3050A RTA: https://defs.link/?u=a04df2
Ko
...
https://www.youtube.com/watch?v=roneYBvJVCk
I design and build a precision voltage divider with selectable ratios of 10:1, 100:1, 1000:1 and 10000:1 and works up to 1000VDC
This is sponsored by PCBway.com who supplied the PCB's, and Pomona Electronics who supplied the Banana Sockets, all at no charge.
PCBway: http://defs.link/?u=19abc3
Pomona Banana Sockets: https://defs.link/?u=f10a9cd
0:00 - Intro.
3:40 - The precision resistors.
5:40 - Building the board.
10:50 - Testing the on board power supplies.
13:44 - Testing basic functionality.
20:39 - Mounting the Pomona banana sockets and installing the PCBway PCB.
22:27 - 80% built, design description.
25:46 - 100% Built, basic testing.
27:05 - Testing the PCB supply voltage and charging regulator.
30:58 - Testing functionality up to 1000VDC.
47:58 - Yay !!
48:05 - Patreon supporters: https://defs.link/?u=fcb3a1
48:21 - Outtakes.
Part 1: https://youtu.be/94bJs_73Ixc
Part 2: https://youtu.be/6C3NryQRp7E
Part 3: https://youtu.be/gUikShvjyis
Part 4: https://youtu.be/yByBwN_yBkE
Part 5: https://youtu.be/djfeTNznpP8
▶ Subscribe to my NEW Mailbag Channel: https://defs.link/?u=b5daff
▶ Subscribe to my NEW Review Channel: http://defs.link/?u=72b0c6
▶ Subscribe: https://defs.link/?u=ffa106
*** Affiliate links: (Bookmark and buy using them) ***
▶ Banggood: https://defs.link/?u=5d46ae
▶ Amazon Store: https://www.amazon.com/shop/thedefpomsrepairchannel
▶ ???☕ Merchandise: https://teespring.com/stores/TheDefpom
Donate so I can make more videos for you:
▶ Become a Patreon!: https://defs.link/?u=fcb3a1
▶ Become a YouTube Member: https://www.youtube.com/channel/UCllpBTH26_dAl5tYl7vA1TQ/join
▶ PayPal Donations: https://defs.link/?u=b099ee
▶ My LBRY channel: https://lbry.tv/@TheDefpom:fa
▶ Test Equipment Repair Videos: https://www.youtube.com/playlist?list=PL2z3V9RkHQE21HOatpZqBT7XPDF-xVgYp
▶ Electronics & Repair Videos: https://www.youtube.com/playlist?list=PL2z3V9RkHQE3HC6pRLVhotWsQbshtmLcw
▶ Review & Teardown Videos: https://www.youtube.com/playlist?list=PL2z3V9RkHQE3BQ0oNHtWTPQ-0QslbrgEb
▶ Mailbag / Postbag Videos: https://www.youtube.com/playlist?list=PL2z3V9RkHQE1ba-zQlmWqBLqhZPDR6wFj
▶ Electronics Projects Videos: https://www.youtube.com/playlist?list=PL2z3V9RkHQE3scjKfNCTPedENrGu2zViF
▶ Apple Repair Videos: https://www.youtube.com/playlist?list=PL2z3V9RkHQE1vu2Hh_8Mg5NhVSWzbPWFD
▶ CB & HAM Radio Videos: https://www.youtube.com/playlist?list=PL2z3V9RkHQE3ki74hMMitH9aRlLa9ZgZx
▶ My website: https://www.TheDefpom.com
▶ My Twitter: https://www.twitter.com/TheDefpom
▶ My Thingiverse for 3D printed replacement test equipment parts: https://defs.link/?u=0347b1
====================
My Electronics Tools (video and purchase links)
====================
Fluke
------
45: https://defs.link/?u=eac51d
343A: ht
...
https://www.youtube.com/watch?v=djfeTNznpP8
Datron 1062 LS101 Autocal Multimeter Repair Part 1
I start the repair of a Datron 1062 LS101 multimeter which I purchased to make repair videos about, it has many issues and we shall work through them all and try to get the unit working again.
0:00 - Intro.
0:54 - Self test.
2:12 - Voltage reference tuning resistors.
2:41 - Discussion about expected failure points.
3:19 - Voltage change and fuse swap.
4:57 - Re-seating the IC's.
6:19 - Warning about NVRAM calibration constants.
6:53 - She's dead Jim.
8:08 - EPROM backup and GPIB IEEE488 EPROM issue.
8:40 - TMS 2532 vs 2732 and adaptor.
11:25 - Adjusting L2 for 1.05V.
12:49 - Hot voltage regulators.
13:25 - Rear input board fault.
14:20 - New faults !
16:01 - Discussion about rear input board.
17:26 - Flir thermal camera needed.
18:14 - Video series discussion.
18:40 - GPIB IEEE488 EPROM test.
19:35 - Patreon supporters.
Datron Playlist: https://www.youtube.com/playlist?list=PL2z3V9RkHQE3JrgdtFlmEC6LDbg-5Ah00
See Part 1 here: https://youtu.be/fsAC-m455i8
See Part 2 here: Coming soon...
See Part 3 here: Coming soon...
See Part 4 here: Coming soon...
See Part 5 here: Coming soon...
See Part 6 here: Coming soon...
▶ My LBRY channel: https://lbry.tv/@TheDefpom:fa
▶ Subscribe: https://defs.link/?u=ffa106
*** Affiliate links: (Bookmark and buy using them) ***
▶ Banggood: https://defs.link/?u=5d46ae
▶ Amazon Store: https://www.amazon.com/shop/thedefpomsrepairchannel
▶ My Merchandise: https://teespring.com/stores/TheDefpom
▶ Test Equipment Repair Videos: https://www.youtube.com/playlist?list=PL2z3V9RkHQE21HOatpZqBT7XPDF-xVgYp
▶ Electronics & Repair Videos: https://www.youtube.com/playlist?list=PL2z3V9RkHQE3HC6pRLVhotWsQbshtmLcw
▶ Review & Teardown Videos: https://www.youtube.com/playlist?list=PL2z3V9RkHQE3BQ0oNHtWTPQ-0QslbrgEb
▶ Mailbag / Postbag Videos: https://www.youtube.com/playlist?list=PL2z3V9RkHQE1ba-zQlmWqBLqhZPDR6wFj
▶ Electronics Projects Videos: https://www.youtube.com/playlist?list=PL2z3V9RkHQE3scjKfNCTPedENrGu2zViF
▶ Apple Repair Videos: https://www.youtube.com/playlist?list=PL2z3V9RkHQE1vu2Hh_8Mg5NhVSWzbPWFD
▶ CB & HAM Radio Videos: https://www.youtube.com/playlist?list=PL2z3V9RkHQE3ki74hMMitH9aRlLa9ZgZx
Donate so I can make more videos for you:
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My Electronics Tools (video and purchase links)
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Boonton
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8210: https://defs.link/?u=e1eddc
Fluke
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45: https://defs.link/?u=eac51d
343A: https://defs.link/?u=13c93d
540B: https://defs.link/?u=0c6bd9
5200A: https://defs.link/?u=a43c99
5450A: https://defs.link/?u=3c6292
HP/Agilent/K
...
https://www.youtube.com/watch?v=fsAC-m455i8