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Re: [Amps] To rewind or not? (3KA resonant filter choke)

To: Rob Atkinson <ranchorobbo@gmail.com>, Carl <km1h@jeremy.mv.com>
Subject: Re: [Amps] To rewind or not? (3KA resonant filter choke)
From: "Randall, Randy" <Randy.Randall@uchealth.com>
Date: Tue, 10 Jan 2012 15:54:19 -0500
List-post: <amps@contesting.com">mailto:amps@contesting.com>
Simpson will not support any of the old 260's with the 5K range.  They will not 
even talk to you.  You can bet someone got blown to hell in an industrial 
environment using a 260 during an arc flash event.  The old 260 was the staple 
in many maintance shops for years and didn't cut it for safety then and 
certainly does not now.  It could not even in its current design pass the 
standards a Fluke 87V can below:

Rated for use in 600V CAT (category) IV and 1000V CAT III environments, the 87V 
is engineered to withstand voltage spikes of 8 kilovolts and help protect users 
against the hazards of arc flash. It is designed to meet the most rigorous 
safety standards, and its performance has been validated by independent testing 
organizations.

I'd never use a 260 to measure anything over 1000V without an appropriate 
external HV probe and even then I would stand 6 feet back.  Never anything high 
energy.  Those charged caps hold a lot of power that can be dumped instantly 
with horrible results.

Randy.

Randy E. Randall AB9GO
Network Engineer
UC Health
Randy.Randall@UCHealth.com
Phone 513-585-7146
Fax 513-585-7159

-----Original Message-----
From: amps-bounces@contesting.com [mailto:amps-bounces@contesting.com] On 
Behalf Of Rob Atkinson
Sent: Sunday, January 08, 2012 8:20 PM
To: Carl
Cc: amps@contesting.com
Subject: Re: [Amps] To rewind or not? (3KA resonant filter choke)

Okay thanks--well Simpson probably had good reasons for dropping the 5
KV range in series 6   : )

VTVM and h.v. probe is indeed much safer.

Rob
K5UJ

On Sun, Jan 8, 2012 at 7:08 PM, Carl <km1h@jeremy.mv.com> wrote:
> There are several versions with a 5KV position and anything over about
> 1500V is scary.
> Speaking from experience decades ago (-;
>
> Carl
> KM1H
>
>
> ----- Original Message ----- From: "Rob Atkinson"
> <ranchorobbo@gmail.com>
> To: "Carl" <km1h@jeremy.mv.com>
> Cc: <amps@contesting.com>
> Sent: Sunday, January 08, 2012 7:05 PM
> Subject: Re: [Amps] To rewind or not? (3KA resonant filter choke)
>
>
>> We're not writing about 5 or 6 KV on a 260--it isn't made for
>> that--he wanted to measure 4 KV.
>>
>> Rob
>> K5UJ
>>
>> On Sun, Jan 8, 2012 at 5:42 PM, Carl <km1h@jeremy.mv.com> wrote:
>>>
>>> I wouldnt ever run 5-6KV thru a 260.
>>>
>>
>>
>> -----
>> No virus found in this message.
>> Checked by AVG - www.avg.com
>> Version: 10.0.1416 / Virus Database: 2109/4130 - Release Date:
>> 01/08/12
>>
>
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