[Amps] amps with vacuum pumps

[Roger]

On 5/2/2012 11:12 AM, Pete Smith N4ZR wrote:
> Perhaps someone with practical experience can comment on whether it is
> hard to maintain a 1 PSI vacuum in a vapor system.
>
They are sealed systems just like the heat pipes on CPU coolers, whether 
they have water or what ever in the system. Otherwise the material just 
goes into the pump and condenses in the pump oil.

73

Roger (K8RI)