Z E R O - C E N T E R  MICRO-AMPERE METER  SIEMENS & HALSKE  (1955)
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Bakelite Case:  2_3/4" x 2_3/4" x 2_1/4" / 7.2 cm x 7.2 cm x 5.8 cm

Class 1.5   +/- 30 μA   with Calibration-Shunt = 20 kΩ    Ri = 2 kΩ

impressum:
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© C.HAMANN       http://public.BHT-Berlin.de/hamann        10/08/16