Products > Test Equipment

Is this old multimeter any good?

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HKJ:

--- Quote from: uski on January 13, 2023, 07:59:55 pm ---It has a 300uA range. I would be curious to see what the burden voltage would be or what the value of the sensing resistor is?

--- End quote ---

If it is designed as most multimeters it would be 30mV and 300mV on the 3mA range.

TimFox:

--- Quote from: JohanH on January 13, 2023, 08:23:37 am ---
--- Quote from: tooki on January 13, 2023, 07:38:01 am ---
--- Quote from: BillyO on January 13, 2023, 12:00:18 am ---Asea Brown Boveri are a Swiss company.  I had no idea they ever made DMMs.  That thing probably cost something like $5000 in today's dollars and was probably for their own service staff.

--- End quote ---
Swiss-Swedish, actually. (Asea was Swedish; Brown Boveri was Swiss; they merged to form ABB.)

--- End quote ---

There's also a strong Finnish branch. The 1889 founded electrical company Strömberg in Finland was bought by Asea in 1986 and after the Asea - Brown Boveri merger in 1988, the company was named ABB Strömberg for a while.

--- End quote ---

Before the merger with Asea, Brown Boveri was known as BBA, for "Brown Boveri Aktiengesellschaft", aka "Brown, Boveri & Cie".

tooki:

--- Quote from: TimFox on January 14, 2023, 06:58:13 pm ---
--- Quote from: JohanH on January 13, 2023, 08:23:37 am ---
--- Quote from: tooki on January 13, 2023, 07:38:01 am ---
--- Quote from: BillyO on January 13, 2023, 12:00:18 am ---Asea Brown Boveri are a Swiss company.  I had no idea they ever made DMMs.  That thing probably cost something like $5000 in today's dollars and was probably for their own service staff.

--- End quote ---
Swiss-Swedish, actually. (Asea was Swedish; Brown Boveri was Swiss; they merged to form ABB.)

--- End quote ---

There's also a strong Finnish branch. The 1889 founded electrical company Strömberg in Finland was bought by Asea in 1986 and after the Asea - Brown Boveri merger in 1988, the company was named ABB Strömberg for a while.

--- End quote ---

Before the merger with Asea, Brown Boveri was known as BBA, for "Brown Boveri Aktiengesellschaft", aka "Brown, Boveri & Cie".

--- End quote ---
No. It was never known as "BBA", always BBC. Initially it was a Kollektivgesellschaft, later an Aktiengesellschaft. The full legal company name was "Kollektivgesellschaft Brown, Boveri & Cie" and "Aktiengesellschaft Brown, Boveri & Cie", respectively.

"& Cie" simply referred to a partnership with more participants than the ones named. So "Brown, Boveri & Cie" simply means "Brown, Boveri, and others". Until recently, it was a legal requirement in Switzerland for certain kinds of Kollektivgesellschaft to include "& Cie" in its name if there were any partners not enumerated in the name of the partnership.

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