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Hello Warren, I got a cheap scope, but high-tech devices with various functions you do not get for a small price and you have to deal with it. I am a novice myself and try to draw my conclusions from the curves. I would be glad if Hector aich on the subject of impedance in Pushpull transformer or energy output and impedance to express. Calculating the impedance on a fluctuating power network using a Variac alone is a challenge. I put my sinus inverter into operation and can provide me with a more constant voltage, so I hope that does not distort the values. Greetings Sven
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-------- Ursprüngliche Nachricht --------
Von: "Warren Keillor [email protected] [EVGRAY]" <[email protected]>
Datum:13.02.2018 19:56 (GMT+01:00)
An: [email protected]
Betreff: Re: AW: Re: Aw: Re: AW: Re: AW: Re: AW: Re: Re: Re: AW: Re: AW: Re: Re: AW: Re: Re: AW: Re: Re: Re: AW: [EVGRAY] Re: All information about Diode Plug.
Sven
I am not any expert on oscilloscopes, but my electrical engineer friend Steve, got me one from China. Although, I didn't know much, I trusted him in his choice..
As it turned out, it is a nice instrument, one that I can grow with as my skills improve. The exact same scope is branded by quite a number of Chinese based companies. They use the same cases and circuit boards calling them by whatever name they feel like.
They are good scopes, cost very little, do two chanels, are easy to program..
Check out alibaba, or Toptom.
If you feel uncomfortable ordering from China, try the Austrailian on line source for the same thing.
They often have weekly special discount prices.
They are very light weight, so shipping does not cost a fortune
Cheers Warren
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On Tue, Feb 13, 2018 at 9:16 AM, [email protected] [EVGRAY]
<[email protected]> wrote:
Hi Ole, Douglas,
Hmm, not bad. A good oscilloscope can determine that I have only a simple one and I must admit that I have not dealt with the mathematical calculations yet, but you once wrote that my device is very simple. Is not just Tektronix.
Really good oscilloscopes are also very expensive, I'm already on the verge to buy a used Tektronix, unfortunately, the price and age of the devices have always deterred me.
I have the possibility to measure the input power at 50Hz via a multifunction computer, where I can look at VAR, ampere, power factor, voltage, VA, frequency etc.
Of course, the comparison would be optimal from input to output power, but I'm still far from that to think because more energy could come out than I put in.
Unless, of course, there is an effect that these HV tips charge a battery super fast with little power and give off a lot. But then the battery is actually overunity and not the circuit, just then we just did not know how to properly charge it. laughing.
regards
Sven