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Dummy Load - Wattmeter 374

Dummy Load - Wattmeter 374; Barker & Williamson (ID = 2223895) Equipment
 
Dummy Load - Wattmeter 374; Barker & Williamson (ID = 2223896) Equipment
 
Dummy Load - Wattmeter 374; Barker & Williamson (ID = 2223897) Equipment
 
Dummy Load - Wattmeter 374; Barker & Williamson (ID = 2223898) Equipment
 
Dummy Load - Wattmeter 374; Barker & Williamson (ID = 2223899) Equipment
 
Dummy Load - Wattmeter 374; Barker & Williamson (ID = 2223900) Equipment
 
Dummy Load - Wattmeter 374; Barker & Williamson (ID = 2223901) Equipment
 
Dummy Load - Wattmeter 374; Barker & Williamson (ID = 2223902) Equipment
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Dummy Load - Wattmeter 374; Barker & Williamson (ID = 2223895) Equipment
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Country:  United States of America (USA)
Manufacturer / Brand:  Barker & Williamson Inc., Bristol (PA)
Year: 1968 ?? Category: Service- or Lab Equipment
Semiconductors (the count is only for transistors) unknown_diode
Wave bands Wave Bands given in the notes.
Details
Power type and voltage Alternating Current supply (AC) / 120 Volt
Loudspeaker - - No sound reproduction output.
Power out
from Radiomuseum.org Model: Dummy Load - Wattmeter 374 - Barker & Williamson Inc.,
Material Metal case
Shape Book-shelf unit.
Dimensions (WHD) 4.75 x 9 x 10.25 inch / 121 x 229 x 260 mm
Notes

Load impedance: 52 Ω
Frequency range: 2 to 30 MHz with SWR: <1:1.3 @ 230 MHz (may also be used above
                  30 MHz to 230 MHz as a power indicator with no statement of power accuracy).
Wattmeter ranges: 0/15/50/300/1500 W

Power for warning light is funished by a 120 VAC line.

Load resistor may be oil cooled without hermetic sealing, depending on type of oil this might be a health hazard if "PCB" based.

See similar model Waters 374

Net weight (2.2 lb = 1 kg) 12 lb 0 oz (12 lb) / 5.448 kg
Literature/Schematics (1) -- Original-techn. papers.

Model page created by Miguel Bravo-Cos. See "Data change" for further contributors.



All listed radios etc. from Barker & Williamson Inc., Bristol (PA)
Here you find 11 models, 9 with images and 4 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.



  
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