accuracy of HM-2140 watt meter

Floyd Sense sentek at SPRINTMAIL.COM
Mon Sep 22 14:59:13 EDT 2003


My meters are black cased - anyone have clear ones?

K8AC

----- Original Message -----
From: "Charles W. Morehouse" <w4gbw at BREVARD.NET>
To: <HEATH at LISTSERV.TEMPE.GOV>
Sent: Monday, September 22, 2003 1:15 PM
Subject: Re: accuracy of HM-2140 watt meter


> Folks,
> It is easy to add a lamp or even two to those meters as long as the
> meter case is clear. I use #330 14 volt aircraft bulbs for their very
> long life. Don't use Radio Shack China bulbs as they will last only a
> few days. Good high intensity LED's are even better.  Solder some leads
> to the bulbs and mount them with a dab of silicon rubber  I put a 10 ohm
> 1/2 w resistor in series with each bulb to prolong life. Wire the bulbs
> to a standard DC connector with a bypass cap. Be sure to twist the leads
> where RF is present.  Hook up to your 12 volt supply or a wall
> transformer.  Have installed bulbs in my SA-2060A tuner and  Yaesu
> YS-500 power meter, also others.  Looks factory made and sure helps in
> the dark. 73.
> Wayne;
> W4GBW
>
> Floyd Sense wrote:
>
> >Yep - would be nice to have lights in the meters.  I was thinking about
using a high intensity white LED in each one, but haven't looked into that
yet and don't know if there's a reasonable way to do it.
> >
> >K8AC
> >
> >----- Original Message -----
> >  From: Bob Peters
> >  To: Floyd Sense ; HEATH at LISTSERV.TEMPE.GOV
> >  Sent: Sunday, September 21, 2003 9:36 PM
> >  Subject: Re: accuracy of HM-2140 watt meter
> >
> >
> >  I just purchased one of these on Saturday at the Denton Texas
Hamfest...$30.00
> >  checked the tracking with  a Bird 43 and was very surprised as to how
accurate it
> >  is compared to my Vecronics SWR meter...So far very pleased ..Only
wish  that the meters
> >  and lamps  in them...Best 73's   Bob W1PE
> >
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