• Country
• United States of America (USA)

• Manufacturer / Brand
• Sterling Manuf. Co.; Cleveland, Ohio

• Year
• 1928 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 188895

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Sterling Ammeter Battery tester - Sterling Manuf. Co.; Cleveland

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

• Dimensions (WHD)
• 60 x 90 x 20 mm / 2.4 x 3.5 x 0.8 inch

• Notes
• Small pocket Amperemeter for up to 30 Amperes. This was used to test dry batteries by directly measuring. But it may not be used for storage batteries because storage batteries deliver normally a much higher current and the instrument could be destroyed.

• Net weight (2.2 lb = 1 kg)
• 0.1 kg / 0 lb 3.5 oz (0.22 lb)

• External source of data
• Guest Rick Leroue, Phoenix AZ, USA.

• Author
• Model page created by Ernst Erb. See "Data change" for further contributors.

• Other Models

• Here you find 60 models, 37 with images and 31 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sterling Manuf. Co.; Cleveland, Ohio