Transistor AC Microvoltmeter TM3A

Levell Electronics Ltd ; Barnet ,Herts

  • Year
  • 1965
  • Category
  • Service- or Lab Equipment
  • Radiomuseum.org ID
  • 298420

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Wave bands
  • - without
  • Power type and voltage
  • Batteries / addl. power jack / PP9: 9 / 9 Volt
  • Loudspeaker
  • - - No sound reproduction output.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Transistor AC Microvoltmeter TM3A - Levell Electronics Ltd ;
  • Shape
  • Tablemodel, with any shape - general.
  • Dimensions (WHD)
  • 184 x 127 x 114 mm / 7.2 x 5 x 4.5 inch
  • Notes
  • Volt meter ranges; 15 µV to 500 V

    Input impedance;
    15µV 2MΩ, 
    50µV to 50mV 5MΩ,
    Above 50mV 10MΩ

    Frequency response:
    1 Hz - 3 MHz (1,5 mV - 500 V)
    2 Hz - 2 MHz (500 µV)
    4 Hz - 1 MHz (150 µV)
    8 Hz - 500 kHz (50 µV)
    20 Hz- 200 kHz (15 µV)

    Powered by a PP9 9 volt Battery or by a Levell PU8S AC mains 9 volt adaptor.

    This instrument works also as AC amplifier e.g. as oscilloscope preamplifier. Optional leather carry case with detachable shoulder straps.

  • Net weight (2.2 lb = 1 kg)
  • 2 kg / 4 lb 6.5 oz (4.405 lb)
  • Price in first year of sale
  • 5,100.00 ATS
  • Literature/Schematics (1)
  • -- Original-techn. papers. (Electronic Engineering, volume 37 year 1965)
  • Literature/Schematics (2)
  • - - Manufacturers Literature (Levell Instruction Book TM3 Series)
  • Author
  • Model page created by Markus Müllner. See "Data change" for further contributors.

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