Thanks for all the feed back! Looks like I'll be taking the 30 minute drive to Watsonville this week.
Steve KS6PD On Saturday, June 15, 2013, Donald Butler wrote: > I have two W2 meters and I like them .. But I do not rely upon them for > accurate power readings.. My more practical use is to use my peripheral > vision to keep tabs on what's going on while I'm on the air and be alert > for > unexpected changes. > > I think the Bird 43, when fully calibrated, claims plus or minus 5% > accuracy > at full scale on their analog dial. > > The W2 is probably close to that, but not quite (maybe 6% at best) ... > there > are 17 leds on the 0-20 watt meter scale .. Doing the math, on the 2KW > scale, that's about 118 watts per LED ... so the power has to increase > about > 118 watts before the next LED will light up, etc., etc. Yes, you can get > a reading of presumed accuracy to the nearest watt if you us the W2 > software > and keep a window running on your computer . but the LED display itself is > only capable of reading plus or minus 118 of actual wattage on the 2 KW > scale.. And I've never bothered to calibrate to see what it takes for the > next LED to light up .. Does it change when you (1) just cross the new > threshold, (2) hit the midrange area of the next step, or (3) go the full > distance. Bottom line, it really doesn't matter, but I do not use a W2 > to > obtain accurate power readings just from the LED display. > > Don, N5LZ > > -----Original Message----- > From: elecraft-boun...@mailman.qth.net <javascript:;> > [mailto:elecraft-boun...@mailman.qth.net <javascript:;>] On Behalf Of > Fred Smith > Sent: Saturday, June 15, 2013 8:28 AM > To: 'NZ0T'; elecraft@mailman.qth.net <javascript:;> > Subject: Re: [Elecraft] W2 wattmeter > > Bill is 100% right on about the W2,it is most useful on screen for extreme > QRP if you don't have a WM-2 QRP meter. But like I said earlier it is very > close for all ranges both of my couplers are 2k's but still not bad for > QRP. > > > 73, > Fred/N0AZZ > K3 Ser #'s 6730/5299--KX3 # 2573--K2/100 # 6470-KAT100 > P3/SVGA--KPA500--KAT500--W2 > > > > -----Original Message----- > From: elecraft-boun...@mailman.qth.net <javascript:;> > [mailto:elecraft-boun...@mailman.qth.net <javascript:;>] On Behalf Of NZ0T > Sent: Saturday, June 15, 2013 7:16 AM > To: elecraft@mailman.qth.net <javascript:;> > Subject: Re: [Elecraft] W2 wattmeter > > Very happy with my W2. I have the 2KW coupler. Seems pretty accurate and > the LED display is great for casual use. I don't always keep the display > up > on the computer but it's very useful when greater resolution than the LED > display is desired. > > 73 Bill NZ0T > > > > -- > View this message in context: > http://elecraft.365791.n2.nabble.com/W2-wattmeter-tp7575272p7575286.html > Sent from the Elecraft mailing list archive at Nabble.com. > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@mailman.qth.net <javascript:;> > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > ----- > No virus found in this message. > Checked by AVG - www.avg.com > Version: 2013.0.2904 / Virus Database: 3199/6413 - Release Date: 06/15/13 > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@mailman.qth.net <javascript:;> > > 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:Elecraft@mailman.qth.net <javascript:;> > > 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:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
