• Country
• United States of America (USA)

• Manufacturer / Brand
• Conar Instruments; Washington (DC)

• Year
• 1968–1971

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 99253

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

• Number of Tubes
• 2

• Valves / Tubes
• 6X4 6E5

• Wave bands
• - without

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

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: R. C. Tester 311 - Conar Instruments; Washington

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 250 x 190 x 160 mm / 9.8 x 7.5 x 6.3 inch

• Notes

• Resistor (range 1 Ohm to 150 MegOhm) and capacitor (range 0.0001 µF to 1500 µF) tester. Leak test for paper/mica and electrolytics (adjustable leakage test voltage). Power factor test. Very basic instrument.

  Lieferung als Bausatz (Kit)

• Net weight (2.2 lb = 1 kg)
• 2.5 kg / 5 lb 8.1 oz (5.507 lb)

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

• Mentioned in
• Assembling and Using your CONAR RC Tester Model 311

• Author
• Model page created by Georg Richter. See "Data change" for further contributors.

• Other Models

• Here you find 18 models, 17 with images and 8 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Conar Instruments; Washington (DC)