Multi-Counter 1900A

• Country
• United States of America (USA)

• Manufacturer / Brand
• Fluke, John, Mfg. Co. Inc.; Everett (WA)

• Year
• 1975–1984 ?

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 198386

• Picture
• Schematics

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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) / 220 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Multi-Counter 1900A - Fluke, John, Mfg. Co. Inc.;

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 217 x 64 x 270 mm / 8.5 x 2.5 x 10.6 inch

• Notes

• Fluke Multi-Counter 1900 A;
  6 digits, 5 Hz - 80 MHz.

  Modes: Frequency, Period and Totalize (1 to 999999 counts)
   
  Sensitivity: 25mV, typicaly 15mV rms sine wave
   
  Impedance: 1MOhm shunted by less than 30pF for signal <500mV
   
  Filter: 1MHz (3dB point) lowpass
   
  Overload: 250V rms 5 Hz -1kHz decreasing to 20V at 80MHz
   
  Options:
   
  01 - Battery pack
  02 - Data output unit

  Hint: Nowadays the main problem in faulty devices of this model is connected with three electrolytic capacitors near transformer.

• Price in first year of sale
• 9,500.00 öS

• Mentioned in
• (A) Radio Elektronik Schau; Heft 12, 1975 Werbeschaltung

• Author
• Model page created by a member from A. See "Data change" for further contributors.

• Other Models

• Here you find 91 models, 85 with images and 65 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Fluke, John, Mfg. Co. Inc.; Everett (WA)