Re: Meter To Measure Current / Calculator Suggestions

From: SteveB (sbrads_at_nildramDOTcoDOTuk)
Date: 02/09/05

  • Next message: Jim Douglas: "Re: Is there an easy way yo measure frequencies?" 
    Date: Wed, 9 Feb 2005 18:50:38 -0000

    Just get a cheap meter that measures the low end. All you then need to
    expand the top range is a shunt resistor, you should be able to wind your
    own as the value will be very low for fsd readings of 5A or more.

    "Jim Douglas" <james.douglas@genesis-software.com> wrote in message
    news:3didnUSzXIoNc5rfRVn-3A@comcast.com...
    >I have been looking at a new meter to measure current. I wanted another
    > method to measure instead of moving cables back and forth between
    > voltage/amps.
    >
    > I was thinking that as a hobby builder I would want to measure between
    > 1uA-5A? I am not having alot of luck with finding a meter that will go
    > that
    > low. The ones that do go that low don't go anywhere near what I would want
    > on the high side. What range do others use, I am just playing around now
    > learning transistors, filters, active antenna's and such with the goal of
    > building a shortwave transmitter in the future.
    >
    > Also I want to get another calculator that I could program to perform
    > functions. I have been checking out quite a few on Ebay and don't want to
    > spend the HPXX-C model prices, any recommendations there?
    >
    > Thanks for taking the time reading this!
    >
    >
    >
    >
    > Jim Douglas
    > www.genesis-software.com
    > Carrollton, TX USA 75006
    > Latitude 32.9616
    > Longitude 96.8916
    >
    >

  • Next message: Jim Douglas: "Re: Is there an easy way yo measure frequencies?"

    Relevant Pages

    • Re: Meter To Measure Current / Calculator Suggestions
      ... Just get a cheap meter that measures the low end. ... expand the top range is a shunt resistor, you should be able to wind your ... own as the value will be very low for fsd readings of 5A or more. ...
      (sci.electronics.equipment)
    • Re: Meter To Measure Current / Calculator Suggestions
      ... Just get a cheap meter that measures the low end. ... expand the top range is a shunt resistor, you should be able to wind your ... own as the value will be very low for fsd readings of 5A or more. ...
      (sci.electronics.basics)
    • Re: Amp Meter
      ... But does the shunt resistor not cut down on the voltage ... determine the internal resistance of the meter. ... then take another pot, put it in parallel with the meter (so the meter ... it's used with some kind of custom circuit to ...
      (sci.electronics.basics)
    • Re: Amp Meter
      ... Nikki wrote: ... > will not move so I think the meter is no good. ... so this would mean you need a shunt resistor on the ... meter terminals of 0.00083 which is more like a bar ...
      (sci.electronics.basics)