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Why would a digital panel meter be expensive ?

Discussion in 'Electronic Design' started by kash, Jul 13, 2003.

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  1. kash

    kash Guest

  2. kash

    kash Guest

    Why not, alarm clocks, digital scales, power supplies, the list is quite long
     
  3. First of all, 99.76534% of all statistics are made up on the spot.
    Second, for every person who buys a DPM, I can find 100,000 people
    buying digital scales (which are more expensive and less accurate than
    purely mechanical scales).

    Chuck
     
  4. None of those would use a hobbyist-oriented Belgian digital voltmeter
    kit, with the bits sourced out of Asia.

    The only reason they can make it for only GBP25 is because the parts
    are used in other stuff.

    Best regards,
    Spehro Pefhany
     
  5. The reasons for the price have been explained - its called market
    forces, ie not much competition, not many producers, not many
    buyers....

    For a cheap alternative, go buy the most basic digital multimeter (or
    DMM) you can find, (I got one for $4.95), trace the switch wiring
    inside to the range you want, do some massive surgery with a hacksaw
    and possibly bend up a mounting bracket from a piece of scrap
    aluminium. Works fine.

    A philosophical diatribe - why do you need a digital panel meter
    anyway, they are useless for current ranges , and do you need 2
    decimal point accuracy (ignoring calibration issues) for the voltage
    range?. As an old fart, I learn a lot about what a circuit is doing by
    watching the acceleration of the needle on my analogue multimeter.....
    Andrew VK3BFA
     
  6. kash

    kash Guest

    So I can buy the temperatue module and convert it to a volt meter?
     
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