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Hair on the wheels and some plastic of the wheels rubbing together generate lots of ES charge. Sort of like a van de graaff generator.

OK, so looking into it, a gold leaf electroscope will detect the presence of _a charge_, but what i want is to figure out the _sign_ of the current when an item is discharging into another item. I

Hi, I'm looking for a Keithley 2000 motherboard. Mine has some broken PCB tracks but I can't fix it. The PCB is multilayer. Thanks if anyone can help me. Mauirzio

Is anyone looking for a 575? I have two spares and need the room. PM if interested. I am in Kentucky. ThanksJeff Kruth

Hi, I'm looking for a Keithley 2000 motherboard. Mine has some broken PCB tracks but I can't fix it. Thanks if anyone can help me. Mauirzio

Bob Koller <fourdesigns@...> added folder */TG2000 SOFTWARE* *Description:* TG2000 SOFTWARE --- The following files and folders have been uploaded to the Files area of the

I just uploaded the SW, check the files section. Enjoy!

Hi all, I can aquire a second hand TG2000 ( Video Signal generator platform ) for 50 euro but the device was for a very longtime in storage and so the NVRAM backup battery is dead and all the signal

John, I have some single slot, one three slot, and a bunch of four slot TM500 frames. I also have a bunch of 500 series plugs - sold a few recently and got some left over ones. Let me know what you

I bought it. I miss the tm500 rack stuff. Hope I can buy something to put it in. Looking for a defective rack unit I can repair. Or a perfect one if possible. John

Yeah have a number of Keithley items (a couple 181, a couple 192, a few 197, a 228A, a 196, 150, 131, 130, 128), nothing current only working older pieces in my meter collection, and still have a 2000

Thanks to a member of this forum (John Griessen) I was able to get my scope up and running again! Big thanks, John!

It's better that way- then you can actually use/move/drive them without too much worry.

Selling my Tektronix FG501 function generator. Works with no

Yes. He certainly has some nice equipment to do that work. I wish I could do the same with my pushbuttons. I've seen the other methods but that looks the best by far. Barry - N4BUQ

[email protected]> wrote: Yeah Robin is not your average bear. He goes by "robrenz" on YouTube where he's posted a bunch of machining related videos.

I know what I'd like: to glom onto this forum and the Tekwiki with all the Keithley stuff. A weak argument to do this would point out that: 1. Tek now owns Keithley 2. The two companies have shared

Dang! If you scroll down from the bezel treatment, he used a pantograph engraver to make button text, filled with epoxy, then filed and polished to look like new gambling dice! Truly fine looking,

Google provided this: https://byjus.com/physics/gold-leaf-electroscope/ I built one in jr high school. Very easy. You can use aluminum leaf available at a sign maker. Glenn --

I was thinking he painted the frame but now I see he sanded it down, bead-blasted it, and then applied a clear-coat (Permalac). Very clean look. Thanks again, Barry - N4BUQ