AC Ammeter (three-range version) 433
Weston Laboratories Incorporated; Harvard (MA)
- Country
- United States of America (USA)
- Manufacturer / Brand
- Weston Laboratories Incorporated; Harvard (MA)
- Year
- 1940 ??
- Category
- Service- or Lab Equipment
- Radiomuseum.org ID
- 330344
- Wave bands
- - without
- Power type and voltage
- Alternating Current supply (AC)
- Loudspeaker
- - - No sound reproduction output.
- Material
- Bakelite case
- from Radiomuseum.org
- Model: AC Ammeter 433 - Weston Laboratories
- Shape
- Very small Portable or Pocket-Set (Handheld) < 8 inch.
- Dimensions (WHD)
- 5 x 5.25 x 3.25 inch / 127 x 133 x 83 mm
- Notes
-
Weston made two different model 433 meters, one is a three-range AC voltmeter, the other is either a two range or three range AC ammeter. The three range version has a switch to select 1, 2.5, and 5 ampere scales. Power consumption is 0.5 watts (0.52 VA) at 5 amperes on the 5 ampere range. Price in the 1960 Cenco catalog (two range version) was $102.25 (US). All are hand-calibrated. Weston model 433 meters have a rated accuracy of 0.75% of full scale when used in the horizontal position.
- Net weight (2.2 lb = 1 kg)
- 2.5 lb (2 lb 8 oz) / 1.135 kg
- Mentioned in
- 1960 Cenco catalog ad (Central Scientific Company)
- Author
- Model page created by Rich Post. See "Data change" for further contributors.
- Other Models
-
Here you find 3 models, 3 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Weston Laboratories Incorporated; Harvard (MA)
Collections
The model AC Ammeter (three-range version) is part of the collections of the following members.