Ian White GM3SEK wrote:
>> Hello all....
>>
>> I was wondering if there is a good source of resistors out there that could
>> be used in building a dummy load that will handle a KW....????
>>
You could bite the bullet so to speak and purchase the Palstar DL5K.
Legal limit continuous and intermittent up to 5KW. Complete with peak,
peak hold, and average reading watt meter. OTOH the VAT might make it a
tad pricey.
73
Roger (K8RI)
>> Any suggestions welcome?
>>
>> Thanks,
>>
>> Dave
>> KB8NNU
>>
>
> Another option, using thin film resistors on a large air-cooled
> heatsink:
>
> http://www.granta.g4axx.com/Attenuator.php3
>
> This is actually a 30dB attenuator, so 1kW input delivers a 1W sample at
> the output socket. This can be very useful for measuring the power with
> simple test equipment, or for harmonic measurements. If you're building
> a dummy load, it's well worth the extra effort to make it an attenuator
> instead.
>
>
>
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