Products > Test Equipment
Wandel & Goltermann NOWA-1,power line harmonic analyzer
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128er:
Today from Ebay . . .

With user manual, remote controll manual and 4 roll of paper for the printer.

Not exactly the right thing for some electronic-smd-guys. Maybe someone is interested. I have fun to play around with it :D
 
Round about from 1988. Fully functional and precise. And from W&G you can expect a high build quality. Only the printer jammed. Has two outputs (Volts & Amps) on the rear for an oscilloscope.

Direct current measurements up to 30A, voltage up to 500V. Comes with a 1000/1 A current clamp. Measures up to the 50th harmonic.

1st picture: DUT is a vacuum cleaner at full power. ~6.05A at 225V
2nd picture: Harmonics in % of the fundamental (50 Hz). Cursor is at 50 Hz.
3rd picture: DUT at ~40% power
4th picture: Overview of effective, reactive and apparent power

That was only a quick play around. Have to read the friendly manual :)
Vgkid:
Very cool piece of equipment, any chance of a teardown. At least more pics.
128er:

--- Quote from: Vgkid on April 20, 2014, 09:52:37 pm ---Very cool piece of equipment, any chance of a teardown. At least more pics.

--- End quote ---

Thanks, Vgkid.

Maybe i will do a teardown. There are some interesting parts in it. I already have ~80 pics on my harddrive from a W&G SF-60 SDH/PDH jitter analyzer. But i think 80 pics are too much for the forum. I was looking for webspace and some sort of wordpress thing to show that stuff. Someday in the near future :)

However, the printer now works. The shaft of the stepper drive was totally blocked with some sort of resin. A few spatter of electronics cleaner, tiny drops of oil and it works fine.
Mark_O:

--- Quote from: 128er on April 21, 2014, 01:33:49 pm ---
--- Quote from: Vgkid on April 20, 2014, 09:52:37 pm ---Very cool piece of equipment, any chance of a teardown. At least more pics.

--- End quote ---

--- End quote ---

I agree, very cool indeed.


--- Quote ---However, the printer now works. The shaft of the stepper drive was totally blocked with some sort of resin. A few spatter of electronics cleaner, tiny drops of oil and it works fine.

--- End quote ---

That's the thing I love about older gear.  Quality design and construction, and when there's a problem, you have a good chance to fix it.  Vs. the throwaway stuff today.  It's just fun to get an opportunity to work with it.
Mashpriborintorg:
Hi, I can get a W&G SF60 for 34 euros on eBay, any chance you share some of your photos from the inside of it, so i can see it if's Worth getting one or not ?  :-//
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