• Country
• Germany

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

• Year
• 1972 ?

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 119743

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

• Number of Tubes
• 7

• Valves / Tubes
• EF184 PCC88 EF184 PCC88 EF80 EF80 EL86 85A2

• Main principle
• none

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 110; 220 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Röhrenvoltmeter RV55 [EF184] - Sennheiser Electronic Labor W;

• Shape
• Tablemodel with Push Buttons.

• Dimensions (WHD)
• 296 x 197 x 165 mm / 11.7 x 7.8 x 6.5 inch

• Notes

• Messbereiche: U~ 1 / 3 / 10 / 30 / 100 / 300 mV und V [bei max. 400 V Gleichspannung]; - 90···+ 50 dBv, - 90···+ 52,5 dBm. Messgenauigkeit: Sinus 10/20 Hz bis 200 kHz/1 MHz, 3/5 %; Rechteck 20 Hz bis 100 kHz/1 MHz, 5 %. Effektiv- und Spitzenwertgleichrichtung; Anzeige schnell (0,5 s) und träge (1,5 s). Einschleifmöglichkeit für externe Filter.

  Siehe auch Grundig Röhrenvoltmeter RV55 (EF184)

• Net weight (2.2 lb = 1 kg)
• 6.5 kg / 14 lb 5.1 oz (14.317 lb)

• Source of data
• - - Data from my own collection

• Author
• Model page created by Jos Lauth. See "Data change" for further contributors.

• Other Models

• Here you find 295 models, 280 with images and 135 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sennheiser Electronic (Labor W); Wennebostel