Needed Impedance meter

Dec 04, 2003 5 Replies
R

Hi,



I've searched the web, the telephone guides and a couple of companies.



I just cannot find a simple, portable, suitable impedance meter.



All I need is a meter that generates a 1000Hz signal and usus that to measure the impedance of a speakerloop. It will vary from something like 10 ohms to 1000 ohms (100V systems)



We even have 2 of them !!!! But they were made by Sennheiser (yes, the one from the headphones) but they no longer make them..... The ones we have even have a selectable measuring frequency, but that isn't even too important...



Maybe I'm using the wrong English name, because I cannot imagine that noone makes these things anymore.



Help!??!?



R-P


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C

I can only guess you're searching for "impedance meter." Perhaps you should try "impedance bridge."

After being targeted with gigabytes of trash by the "SWEN" worm, I have concluded we must conceal our e-mail address. Our true address is the mirror image of what you see before the "@" symbol. It's a shame such steps are necessary. ...Charlie
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B

How about:

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FYI, my personal favorite is the H-P 4800 vector impedance meter. These appear on Ebay occasionally, and the prices are usually affordable.

Brian Aase

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R

R-P

All I need is a meter that generates a 1000Hz signal and usus that to measure the impedance of a speakerloop. It will vary from something like 10 ohms to

1000 ohms (100V systems)

At work we periodically needed to make this measurement. We used a 10 ohm 2 watt resistor in series with the load. All it took was a simple math calculation to get the load impedance. We had it set up on a programmable math calculator. Be sure the resistor is less than 10% of the load impedance. Lessens the error. Bob AZ

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T

measure

to

2

math

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TENMA 72-6947 DIGITAL AUDIO IMPEDANCE METER WITH CARRY CASE AND LEADS $199.00

Tweetldee Tweetldee at att dot net (Just subsitute the appropriate characters in the address) Never take a laxative and a sleeping pill at the same time!!
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