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Anonymous Poster #1

What is a Megger

12/07/2012 1:21 AM

What is a megger and how does the internal circuit consist of ??
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dvmdsc
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#1

Re: MEGGER

12/07/2012 1:45 AM

A high voltage Ohm meter. It is used to measure electrical isolation (insulation) resistance. The earlier models had a high voltage generator, with a hand driven handle.

Modern electronics allow a slightly different approach. The high voltage is generated with multiplier circuits from the battery voltage.

Meggers can have a ohms scale or for special purposes, a voltage scale to indicate the breakdown voltage of circuits.

Although the provided current is mostly low, you better don't try it to use your own body resistance.

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Anonymous Poster #2
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Re: MEGGER

12/07/2012 3:18 AM

http://lmgtfy.com/?q=megger
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iftikhar129
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#3

Re: MEGGER

12/07/2012 4:32 AM

Megger is a brand not an equipment..............
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PeterT
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#5
In reply to #3

Re: MEGGER

12/07/2012 10:50 AM

But the brand name "Megger"® has come to be used as the common name of the instrument known as a megohmeter, much as "Kleenex" means facial tissue or "Xerox" means photocopy to most people. Anyone in the HV testing field knows what the term megger refers to.

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Grand Poobah
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#6
In reply to #5

Re: MEGGER

12/07/2012 7:34 PM

Just as Biddle is a brand of megger er, megohm-meter.
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JRaef
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#7
In reply to #6

Re: MEGGER

12/07/2012 8:01 PM

Biddle IS Megger... Biddle was the original company name, Megger was the product. Now the company name changed to Megger because it was so well known, Biddle became the brand name of their NON-megohmeter products (although I think they are or have dropped it now). The megohmeters are still called Meggers and they own and "visiously defend" (their words) that name.

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Grand Poobah
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#8
In reply to #7

Re: MEGGER

12/07/2012 9:36 PM

Thanks for the history lesson, now there are several brands that make megohm-meters.
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Fredski
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#4

Re: What is a Megger

12/07/2012 9:15 AM

i's a portable piece of testing equipment that tests the integrity of windings insulation. be careful if you don't know how to use one, touch the wrong thin at the wrong time and you'll get the shock of your life
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Anonymous Poster (1); dvmdsc (1); Fredski (1); Grand Poobah (2); iftikhar129 (1); JRaef (1); PeterT (1)

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