Re: Electrometer design? (fwd)

[Steven Roys <sroys@xxxxxxxx>]

---------- Forwarded message ----------
Date: Fri, 09 Jul 2004 10:21:37 -0600
From: robert heidlebaugh <rheidlebaugh@xxxxxxxxxxxxxx>
To: High Voltage list <hvlist@xxxxxxxxxx>
Subject: Re: Electrometer design?

Calibratioin can correct for small errors, yes the reading will be less than
air spacing but acceptable within limits.
    Removing coper clad by scribing limip borders with a knife or scribe
and appling heat works very well. A large soldering iron will provide enough
heat.
-- 


> From: "High Voltage list" <hvlist@xxxxxxxxxx>
> Date: Wed, 7 Jul 2004 11:04:13 -0600 (MDT)
> To: <hvlist@xxxxxxxxxx>
> Subject: Re: Electrometer design? (fwd)
> Resent-From: hvlist@xxxxxxxxxx
> Resent-Date: Thu, 8 Jul 2004 11:08:31 -0600
>
> Original poster: Steven Roys <sroys@xxxxxxxx>
>
>
>
> ---------- Forwarded message ----------
> Date: Tue, 06 Jul 2004 20:15:19 -0300
> From: Antonio Carlos M. de Queiroz <acmdq@xxxxxxxxxx>
> To: High Voltage list <hvlist@xxxxxxxxxx>
> Subject: Re: Electrometer design? (fwd)
>
> High Voltage list wrote:
>>
>> From: Malcolm Watts <m.j.watts@xxxxxxxxxxxx>
>
>> I thought about removing wedges of copper from ordinary Cu-fibreglass
>> laminate to make the disks (which leaves the disks in one piece).
>> Anyone see anything wrong with that plan?
>
> The insulating plates may hold some charge and create false
> measurements.
> Better to use a rotor entirely made of metal.
>
> Antonio Carlos M. de Queiroz
>
>