accuracy of HM-2140 watt meter

Bob And Bettina Groh rgroh at SWBELL.NET
Sun Sep 21 11:29:34 EDT 2003


I guess my take would be that the HM-2140 is good but probably not as
accurate, in general, as a Bird wattmeter.  The Heath RF sensor is, I
believe, built by the kit builder and I strongly suspect that there are
large variances there.  On the other hand, most of us can't afford a
Bird or the slugs.  Plus the HM-2140 as wide or wider frequency range,
multiple power levels, etc.  So what if you give up a little accuracy!
If any.

Just my thoughts.

73
Bob Groh, WA2CKY

joe wrote:

>Say has anyone out there ever checked the Heathkit HM-2140 wattmeter against
>a Bird.
>A marine service technician in San Francisco( quite a number of years ago),
>said he checked the HM-2140
>and it compared quite close to the Bird. Any comments!!
>
>73 de Joe w0tut
>
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