[Elecraft] FW: [K3] K3 Off Grid

[Don Wilhelm]

Lynn,

The K3 or KX3 measures the total current draw with quite reasonable 
accuracy.

73,
Don W3FPR

On 3/5/2014 7:17 PM, Lynn W. Taylor, WB6UUT wrote:
> We were talking sizing a battery for emergency ops.
>
> I'd expect the internal meter to read current into the finals, which 
> probably dates me pretty thoroughly to a time when "finals" was nearly 
> always preceded by the word "tube."
>
> I can't check the K3 manual to see what it actually measures because I 
> don't have one.  I have a KX3, and a huge 7a power supply to run it.
>
> -- Lynn
>
> On 3/5/2014 2:47 PM, Chester Alderman wrote:
>> Gosh Engineers...why not just suggest to Paul that he use the most 
>> simple
>> method of finding out the voltage and current the K3 draws by 
>> pressing the
>> K3's METER button????
>>
>> 73,
>> Tom - W4BQF
>>
>>
>>
>> -----Original Message-----
>> From: elecraft-bounces at mailman.qth.net
>> [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Lynn W. Taylor,
>> WB6UUT
>> Sent: Wednesday, March 5, 2014 5:23 PM
>> To: elecraft at mailman.qth.net
>> Subject: Re: [Elecraft] [K3] K3 Off Grid
>>
>> Here is how I'd do it, your mileage may vary.
>>
>> I'd measure the power draw at 100 watts key-down, and the power draw for
>> receive.
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