[Test-Equipment] HP 403B pegging meters

[Richard Knoppow]

At 02:25 PM 3/10/2008, you wrote:
>At 03:09 PM 3/10/2008, Mike Czuhajewski wrote:
>>----- Original Message -----
>>From: "Grant, Ken" <Ken.Grant at uhn.on.ca>
>>
>> >... The 403B exhibits pinning of the meter ( to the right) when first
>>turned on, but settles down after 5 or 10 seconds.
>>
>>That quirk of the 403B has been mentioned before on at least one other
>>test equipment list. Trust me, they all do that.
>
>Good D'Arsonval meters are supposed to withstand 1000% overload with 
>no damage.
>The turn-on or switching "jolt" that the meter gets should be well under that.
>
>I've never noticed any problem with the HP meters in any of their test gear.
>
>FWIW,
>Perry  w8au
>
>

      I worked for -hp- when these were made and have some memory 
that they did this, at least the first version did. I don't remember 
if there was ever a fix for it.


--
Richard Knoppow
Los Angeles, CA, USA
dickburk at ix.netcom.com