[Test-Equipment] rms voltmeter?
Ron Youvan
ka4inm at tampabay.rr.com
Sun Jan 20 11:35:33 EST 2008
> Allow me to elaborate, because I may be asking for the wrong thing.
> I am working on restoring a URT-23D transmitter with T-827D exciter. I
> wish to work through the various voltage checks in the manuals (navy
> manuals) because there is much troubleshooting to be done.
> For example, one of the tests is to measure the RF output into a dummy
> load in volts, and by (V^2)/50 to get power and compare this measurement
> to the power indicated on the internal power meter. The meter used in
> this test is "Voltmeter 50423-3028B MOD 172"
Accurate power measurements can be made by putting a "T" at the
input of the load and viewing * the peak to peak (sine wave) voltage
across the load and mathematically determine the power level.
* Using a 'scope that is flat beyond the observed frequency if
you have or can borrow one
--
Ron KA4INM - My wife never had any problem spending money
her problem was just with me spending money!
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