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@aol.com>
To: <kk7uv@bresnan.net>; <amps@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@bresnan.net>
To: amps <amps@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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