Dimensions ( W-D-H ) 190 mm x 255 mm x 75 mm / 7_1/2" x 10" x 3"
PRECISION DC MILLI-VOLT METER AEG / Germany (1930)
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Allgemeine Elektrizitaets Gesellschaft SN = 81.926016
CLASS 0.1 60 Milli-Volt ( Ri = 20 Ω ) / 0.15 Volt ( Ri = 150 Ω )
Housing is made of bakelite - Original state: No seal was broken!
R E M A R K : U [Volt] = R [Ohm] * I [Ampere]
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Because OHM's LAW, this instrument is also a PRECISION mA-Meter ...
60 mV = 20 Ω * 3 mA ; 150 mV = 150 Ω * 1 mA
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The instrument came in a "Black Box" ...
Have a Look at a small Version ...
Have a Look at a SIEMENS Version ...
impressum:
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© C.HAMANN http://public.BHT-Berlin.de/hamann 02/16/15
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