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Re: [Amps] Fw: Needed, quality watt meter

To: Dick W1KSZ <w1ksz@q.com>, amps@contesting.com
Subject: Re: [Amps] Fw: Needed, quality watt meter
From: Jim W7RY <w7ry@inbox.com>
Date: Wed, 11 Aug 2010 13:01:37 -0800
List-post: <amps@contesting.com">mailto:amps@contesting.com>
I love my Array Solutions Power Master. 

Expensive but works great! With the bar graph, tune up is a breeze. 

73 
Jim W7RY 


> -----Original Message----- 
> From: w1ksz@q.com 
> Sent: Wed, 11 Aug 2010 13:57:15 -0700 
> To: amps@contesting.com 
> Subject: Re: [Amps] Fw: Needed, quality watt meter 
> 
> I have never been able to get used to the digital wattmeters for 
> tuning up the amp. Guess I'm just old fashioned !! 
> 
> 73, Dick, W1KSZ 
> 
> -----Original Message----- 
> From: amps-bounces@contesting.com [mailto:amps-bounces@contesting.com]On 
> Behalf Of Gary Smith 
> Sent: Wednesday, August 11, 2010 10:11 AM 
> To: amps@contesting.com 
> Subject: [Amps] Fw: Needed, quality watt meter 
> 
> 
> 
> ----- Original Message ----- 
> From: Gary Smith 
> To: Roger 
> Sent: Wednesday, August 11, 2010 9:40 AM 
> Subject: Re: [Amps] Needed, quality watt meter 
> 
> 
> It is not portable, but it is nice. I am using a Wavenode WN-2 watt meter 
> along with the included software. It is a very nice convenience to look 
> at 
> the computer screen and see rf peak and average output along with 
> reflected 
> power at the same time. The sensors remote very nicely, the digital 
> readout 
> sits atop the amp. Imo, this is one of "the best of both worlds" I have 
> seen to date. also in the software package is a on screen scope that 
> allows 
> you to see the audio/cw wave form while transmitting. 
> 73, Gary...wa6fgi 
> 
> 
> ----- Original Message ----- 
> From: Roger 
> To: Amps@contesting.com 
> Sent: Tuesday, August 10, 2010 6:59 PM 
> Subject: [Amps] Needed, quality watt meter 
> 
> 
> Again, I find I have a question that probably goes best both on amps as 
> well as tower talk and I do not cross post. 
> 
> A while back my Bird 43 Thruline Wattmeter was destroyed, or at best, 
> "over cooked" by the Muffler shroud on my large lawnmower. (It's a long 
> story) 
> The thing got so hot it actually blew the end out of one of the slugs 
> and the glass in the meter is cracked along with a very smoky housing. 
> 
> At any rate, I need to replace the watt meter and come up with a valid 
> quote for the 43 and slugs. This actually brings up two questions. 
> Where is the best place to get the purchase price on a model 43 AND 
> slugs. Remember that even IF they pay for all of the "old meter and 
> slugs" it's certainly not going to pay the "long dollar" so I need to 
> shop as if I were the one purchasing as I really am. 
> 
> The second question is what is the "best" meter in the portable class 
> that does not cost as much as a piece of laboratory test equipment. 
> I'm currently using a Daiwa CN-801 between the amp and the Palstar AT5K 
> tuner. The 801 which is 2KW full scale goes right up against the pin 
> at 
> full carrier into a Palstar DL5K dummy load. The AT5K internal watt 
> meter shows 2KW, which is what it should show IF the amp is running as 
> it should when going up to "tilt". So I know the 801 is at the least, 
> generous. However I have no way of checking it against the internal 
> watt 
> meter of the AT5K in the PEP mode. I never had a chance to compare 
> either of the two against the Bird 43. I'm well aware of many of the 
> problems getting an accurate reading which is why I'm working into a 
> "dry" dummy load with two honkin big resistors and TWO fans that sound 
> like I need to tie the desk down when they kick into high. 
> 
> This leaves me with two problems. One is the requirment for a meter 
> that 
> will hit 2500 or 3000 watts full scale for the dummy load. Running this 
> much full scale means that when running the legal limit which I desire 
> to maintain in PEP, I will only be half scale with all the inaccuracies 
> that adds in. I would *like* to come up with something that will be 
> good 
> enough to use as a reference for the meters in current use at least 
> into 
> the dummy load. The CN-801 is generous enough that when it shows 1500 
> PEP I'm likely to be some where around 1 KW PEP. Yes, I realize the 
> difference between 1 and 1.5KW is not very large db wise. 
> 
> Any suggestions? 
> 
> 73 
> 
> Roger (K8RI) 
> 
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