[Test-Equipment] Difference between PSM-45 and PSM-45A ??

[David DiGiacomo]

On Sun, Apr 1, 2012 at 7:58 AM, Steve Byan <stevebyan at verizon.net> wrote:
>
> On Mar 31, 2012, at 7:31 PM, John Hensley wrote:
>
>>
>> Does anyone know the difference between the PSM-45 and PSM-45A ?  The FSN of the45A ends in 6000 and the FSN for the 45 ends in 6001.  Still looking myself.  The com-mercial model designation is 27/FM for both.  (It's a Fluke).
>
> Just speculation on my part, but I've read on the Antique Radio Forum that after Fluke stopped production of the militarized 27/FM, the military continued to buy some of the commercial version Fluke 27's. Possibly the PSM-45 is the real Fluke 27/FM (with the true-RMS chip) and the PSM-45A is just the commercial Fluke 27 (no true RMS).

I don't think this is correct... I believe the AN/PSM-45 is the
Simpson 467 kit, and the AN/PSM-45A is the Fluke 27/FM kit.