[Amps] meter behavior

[Carl]

Many of the past rectangular type modern looking meters are made by Modutec, 
now called Jewel Modutec.
Prime Instruments was another source.

Carl
KM1H


----- Original Message ----- 
From: "Louis Parascondola" <gudguyham at aol.com>
To: <kk7uv at bresnan.net>; <amps at contesting.com>
Sent: Wednesday, November 13, 2013 7:30 AM
Subject: Re: [Amps] meter behavior


> Generally Ameritron meters are not damped.  Usually the Simpson Triplett 
> and the more expensive meters are damped.  If you have Simpson or Tripplet 
> meters they are about the best out there.
>
>
>
> -----Original Message-----
> From: Steve Flood <kk7uv at bresnan.net>
> To: amps <amps at contesting.com>
> Sent: Wed, Nov 13, 2013 6:52 am
> Subject: [Amps] meter behavior
>
>
> I am trying to select some panel meters for the next amp project.  I have
> many older types to choose from in my existing stash.
>
> I have noticed over the years  that there are meters whose needles swing
> back and forth wildly while metering grid and plate currents, while others
> seem to have a dampened movement (such as the plastic Ameritron meters)
> where the needle moves more slowly.
>
> Is this due to the type of meter movement (such as d'arsonal, iron vane,
> taut band, etc.), or due to the meter sensitivity (low resistance vs high
> resistance)?
>
>
>
> I'd prefer meters with dampened needle movement, but all of my nice old
> Triplett, Weston, GE, Westinghouse, Simpson, Marion meters seem to be the
> non-dampened movement and very low resistance, and I'd rather not put
> cheapy-looking plastic meters on this project if possible.
>
>
>
> Steve KK7UV
>
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