• Country
• Germany

• Manufacturer / Brand
• Sennheiser Electronic (Labor W); Wennebostel

• Year
• 1979 ?

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 128774

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• Alternating Current supply (AC) / 180-250 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Universal-Pegelmessgerät UPM550 - Sennheiser Electronic Labor W;

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 294 x 156 x 195 mm / 11.6 x 6.1 x 7.7 inch

• Notes
• HiFi-Meßplatz, Frequenzbereich 10 Hz bis 1 MHz bei Wechselspannungen von 30 µV bis 300 V, eingebauter Bewertungsfilter, eingebauter 1000 Hz Eichspannungs-Generator.

• Net weight (2.2 lb = 1 kg)
• 6 kg / 13 lb 3.5 oz (13.216 lb)

• Mentioned in
• Funkschau (6.1979)

• Author
• Model page created by Karlheinz Fischer. See "Data change" for further contributors.

• Other Models

• Here you find 294 models, 278 with images and 134 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sennheiser Electronic (Labor W); Wennebostel