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History of the manufacturer  

BWD Electronics Pty Ltd.; Mulgrave, Victoria

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Name: BWD Electronics Pty Ltd.; Mulgrave, Victoria    (AUS)  
Abbreviation: bwd-electr
Products: Model types
Summary:

BWD Electronics Pty Ltd.; Mulgrave, Victoria, Australia

Fairly prolific Australian manufacturer of test equipment, i.e Oscilloscopes, signal generators, ramp generators etc.
Now taken over by McVan Instruments, 58 Geddes Street, PO Box 298, Mulgrave, Victoria 3170 AUSTRALIA. Now only producing one instrument currently under the BWD brand name.

BWD Electronics was an Australian manufacturer of electronic test equipment from the 1950s through to the mid-1990s. While they manufactured a range of Test and measurement equipment over the years, they are best known for their Oscilloscopes. While the use of commonly available components to build equipment had the effect of limiting performance, it means that BWD equipment is still serviceable, making it popular with Australian electronics hobbyists.

Founded: 1955
History:
BWD Electronics was founded mid-1955 by John Beesley, Peter Wingate and Bob Dewey. The name BWD was derived from the first letter of each of their surnames. There first premises were rented in Auburn Rd, Auburn near the Geebung hotel in 1956. In 1966 BWD employed around 80 people and moved to 333 Burke Road, Gardner and remained there until the building was to be demolished to make way for the South Eastern [Monash] freeway in 1972. They then moved to Miles street in Mulgrave.. In 1977 BWD released the 880 Powerscope, an oscilloscope designed for looking at mains power. That oscilloscope subsequently won an Australian design award. John Beesley remained involved in the company until 1989 when he went to work for Cochlear. BWD Electronics was purchased by McVan Instruments, currently part of the Observator B.V. group of the Netherlands. B.W.D. ELECTRONICS PROPRIETARY LIMITED was first registered on the 21st of July 1955. McVan Instruments, 58 Geddes Street, PO Box 298, Mulgrave, Victoria 3170 AUSTRALIA. Now only producing one instrument currently under the BWD brand name.

This manufacturer was suggested by Roger Brinkman.


Some models:
Country Year Name 1st Tube Notes
AUS  78 Triple Range Programmable D.C. Power supply 272A   Model   BWD 272A is a small but very high performance constant voltage, constant curr... 
AUS  75 Dual, High Voltage Stabilised D.C. Power supply 216A 6CA7  Model   BWD 216A provides two stabilised independent D.C. Power Supplies and 6.3V A.C... 
AUS  70 Sine & Square Wave Generator 140A AY1119  This is a small function generator covering 1 Hz to 1 MHz. 
AUS  63 Portascope 311   This 3" oscilloscope has a vertical bandwidth of DC to 5 MHz and has a differential inp... 
AUS  63 Portascope 301   This 2.75" oscilloscope has a vertical bandwidth of DC to 3.5 MHz. 
AUS  64 5" single beam oscilloscope 500B   Vertical bandwidth D.C. to 4 MHz.  Available with P1 or P7 phosphor CRT. 
AUS  61 5" Single Beam Oscilloscope 500A   Bandwidth; D.C. to 4 MHz @ -3db. 
AUS  65 5" single beam oscilloscope 501   Y amplifier bandwidth DC to 3 MHz (-3db). 
AUS  63 Portascope 321   This 3" oscilloscope has a vertical bandwidth of DC to 7.5 MHz and has a differential i... 
AUS  75 Oscilloscope 509B 130BEB31  DC-10MHz Single Channel Oscilloscope. Made in Australia.Timebase 1 µs to 0.1 s in six step... 

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Further details for this manufacturer by the members (rmfiorg):

Fromt the BWD 603B Service Manual (Issue14) Front cover.tbn_aus_bwd_office_from603bservicemanual_1.jpg
logotbn_aus_bwd_logo.jpg

  
rmXorg