[Elecraft] [K2] KAT100-2 + KPA100 shopping list

[Wayne Conrad]

Don, It is indeed a DMM, and it will measure Amps at three (or is it 
four?) different scales from 10A to 200 uA.  It sounds like it'll work. 
  Thanks!

73, Wayne Conrad KF7QGA

On 08/29/11 15:01, Don Wilhelm wrote:
> Wayne,
>
> All that is correct EXCEPT - add to the list if your "multimeter" (which
> is hopefully actually a DMM) does not have it included - a means of
> measuring current draw to at least 2 amps. Many DMMs have a 10 Amp
> range, so that is usable. It is needed to properly set the bias on the
> KPA100.
>
> An accurate wattmeter capable of 100 to 200 watts is handy to use, but
> the DL1 will do if you calibrate the KPA100 wattmeter using the QRP
> levels (up to 15 watts). I usually calibrate the wattmeter first at 10
> watts, and then check it at 80 watts (my wattmeter is calibrated at 80
> watts). There is little difference once you have calibrated it at 10
> watts, but if you want maximum accuracy at high power, you will need the
> higher power wattmeter.
>
> 73,
> Don W3FPR
>
> On 8/29/2011 5:39 PM, Wayne Conrad wrote:
(snip)
>> The manuals appear to indicate that I can complete assembly and
>> calibration with multimeter; my DL-1 (20W dummy load), which I can use
>> as a 20W wattmeter; and a 100W dummy load I can borrow from dad. Is
>> that correct?