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Industrial Circuit Tester 785 Type 4

Industrial Circuit Tester 785 Type 4; Weston Electrical (ID = 664859) Equipment Industrial Circuit Tester 785 Type 4; Weston Electrical (ID = 664860) Equipment
Industrial Circuit Tester 785 Type 4; Weston Electrical (ID = 664861) Equipment Industrial Circuit Tester 785 Type 4; Weston Electrical (ID = 955053) Equipment
Industrial Circuit Tester 785 Type 4; Weston Electrical (ID = 955054) Equipment Industrial Circuit Tester 785 Type 4; Weston Electrical (ID = 1012254) Equipment
Industrial Circuit Tester 785 Type 4; Weston Electrical (ID = 1012255) Equipment Industrial Circuit Tester 785 Type 4; Weston Electrical (ID = 1012256) Equipment
Industrial Circuit Tester 785 Type 4; Weston Electrical (ID = 1129389) Equipment Industrial Circuit Tester 785 Type 4; Weston Electrical (ID = 1147097) Equipment
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Industrial Circuit Tester 785 Type 4; Weston Electrical (ID = 664859) Equipment
Weston Electrical: Industrial Circuit Tester 785 Type 4 [Equipment] ID = 664859 637x700
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For model Industrial Circuit Tester 785 Type 4, Weston Electrical Instrument Co.; Newark, N.J.; (Jewell Electrical Instrument Co.; Chicago, IL)
 
Country:  United States of America (USA)
Manufacturer / Brand:  Weston Electrical Instrument Co.; Newark, N.J.; (Jewell Electrical Instrument Co.; Chicago, IL)
alternative name
 
Jewell
Year: 1942–1950 Category: Service- or Lab Equipment
Wave bands - without
Details
Power type and voltage Dry Batteries / D: 1 x 1.5 & (Burgess 5540) plus 2 x 7.5 Volt
Loudspeaker - - No sound reproduction output.
Power out
from Radiomuseum.org Model: Industrial Circuit Tester 785 Type 4 - Weston Electrical Instrument
Material Various materials
Shape Portable set > 8 inch (usable also without mains)
Dimensions (WHD) 335 x 235 x 115 mm / 13.2 x 9.3 x 4.5 inch
Notes

Instrument fixed in a solid oak case, panel of tester made of plain bakelite. For operating it uses 2 x Burgess 7.5V battery No. 5540 plus 1 x "D" size battery 1.5V.

Versatile tester for trouble shooting. Provides voltage, current and resistance ranges for checking motor and control circuits, lighting circuits, sensitive relay circuits, electronic circuits, etc. ( D-C sensitivity 20,000 Ohms per Volt )

0 to 1,000 Volts DC at 20,000 Ω/Volt
0 to 750 Volts AC at 1,000 Ω/Volt
0 to 10 Amps DC
0 to 10 Amps AC
0 to 900 MΩ

Type 4 is identical to Type 3, with the exception that the instrument of the latter features a complete metal base and can be lifted out of the wooden box.

 

 

Net weight (2.2 lb = 1 kg) 3.5 kg / 7 lb 11.3 oz (7.709 lb)
Mentioned in Radio Retailing (Radio & Television R.) (July 1946 page 143. September 1946 page 109.)

Model page created by Martin Bösch. See "Data change" for further contributors.



All listed radios etc. from Weston Electrical Instrument Co.; Newark, N.J.; (Jewell Electrical Instrument Co.; Chicago, IL)
Here you find 162 models, 137 with images and 85 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.




  
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