Meant to say: If you get a reading of 50 watts the real power would fall in a range of less than 47.5 to 52.5 watts?
On 12/9/2011 9:08 AM, Mike wrote: > Wait. > > Using a 100W slug, if you get a reading of 100 watts, the real power would be > between > 95 and 105 watts, right? > If you get a reading of 50 watts the real power would fall in a range of less > than 45 > to 55 watts? > > Not if the 5% at full scale is the best accuracy. Or did I misunderstand > what you said? > > 73, Mike NF4L > > > On 12/8/2011 11:59 PM, Eugene Balinski wrote: >> The accuracy of Bird elements is typically +/- 5% of the >> full scale value. For a 100 W Slug, that is +/- 5 Watts. >> So theoretically speaking, with 5W in, and 0 registered >> on the meter, the meter is still within its rated accuracy. >> >> >> Additionally on the model 43 meter, there is meter scale >> end compression. To get the most accurate reading, one >> would want to have the 5W reading at the middle of the >> meter range, which means that one would want a 10W slug. >> Unfortunately I do not believe that Bird makes a 10W HF >> slug any more. Perhaps they need an Elecraft W2 ?? >> >> 73 >> K1NR >> >> >> On Thu, 8 Dec 2011 16:47:27 -0600 >> Nate Bargmann<[email protected]> wrote: >>>> From my experience, trying to measure 5W with a 100W >>> element leads to >>> very inaccurate readings. The Bird is most accurate when >>> the reading is >>> as near to full scale as possible. That means a 5W HF >>> element (is that >>> even available?) would be ideal provided no more than 5W >>> is put through >>> the meter. A 10W element would be less accurate but >>> provide a safety >>> margin for the meter. Even better would be to have both >>> elements and >>> use the 10W one to get in the ballpark and the 5W one for >>> a final check. >>> >>> 73, de Nate N0NB>> >>> >>> -- >>> >>> "The optimist proclaims that we live in the best of all >>> possible worlds. The pessimist fears this is true." >>> >>> Ham radio, Linux, bikes, and more: http://www.n0nb.us >>> > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
