[Milsurplus] RF Ammeter Puzzle

[Bruce MacMillan]

Don't know for sure but that's what the manual says. Being a TC device 
it will work with dc current as well so set up a load with known E/R and 
see what happens.

Bruce

J Forster wrote:

>I don't understand "0-0.25 amperes with a 20X expanded scale".  Do you mean
>the meter movement is 0.25 A DC and the TC produces .25 A in the meter DC
>circuit with an RF current of 5 A ?
>
>The 1:1 transformer is clearly a current transformer, used to isolate the
>meter guts from the high RF voltages on the antenna line (as in the BC-442).
>
>Best,
>-John
>