• Country
• United States of America (USA)

• Manufacturer / Brand
• Weston Electrical Instrument Co.; Newark, N.J.; (Jewell Electrical Instrument Co.; Chicago, IL)

• Year
• 1960 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 334288

• • alternative name: Jewell

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

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Bakelite case

• from Radiomuseum.org
• Model: DC Voltmeter 931 - Weston Electrical Instrument

• Shape
• Very small Portable or Pocket-Set (Handheld) < 8 inch.

• Dimensions (WHD)
• 6.125 x 5.5 x 3.75 inch / 156 x 140 x 95 mm

• Notes

• Weston Model 931, is a three range DC voltmeter.  The ranges are by way of top terminals for 150, 300, and 750 VDC.  A fourth terminal is negative common.  Measurement sensitivity is 1000 ohms per volt.  Note that Weston used the same model number for different meters.  See also the Millivolts D.C. 931.  The number following the model number labeled as "No 9816" may be the serial number for this meter.

• Author
• Model page created by Rich Post. See "Data change" for further contributors.

• Other Models

• Here you find 189 models, 164 with images and 101 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Weston Electrical Instrument Co.; Newark, N.J.; (Jewell Electrical Instrument Co.; Chicago, IL)