I use the opamp to integrate the half sine output of the clamp.
On Sun, Feb 9, 2014 at 6:05 PM, Colin Reese <colin.re...@gmail.com> wrote:
> What do you need an op amp for? I use these things all over the place and
> plug them straight into adcs, as long as the internal resistance is
> sufficient
>
>
>
> On Feb 9, 2014, at 6:59, Marc dirix <m...@dirix.nu> wrote:
>
> Hi Chris,
>
> I think every reseller should be able to sell you one, because for their
> system you need to buy loose clamps if your connection is 3-fase.
> I've bought mine from bespaarbazaar.nl (obviously in the Netherlands).
>
> Amazon seemed to have sold them:
> http://www.amazon.co.uk/Current-Cost-Sensor-Clamp-CT/dp/B002FVNQHQ
>
> Best regards,
>
> Marc
>
>
> On Sun, Feb 9, 2014 at 2:29 PM, Chris Green <c...@isbd.net> wrote:
>
>> On Sat, Feb 08, 2014 at 07:59:43PM +0100, Marc dirix wrote:
>> > Hi,
>> > I've made an 1-wire interface for the current cost clamps. The
>> current
>> > cost clamp is specified 100A with 50mA accuracy. You can buy spare
>> current
>> > cost clamps for about 15 euro. The interface is a simple
>> opamp+DS2450. On
>> > request I'll send you the eagle schematic.
>>
>> So what exactly is a "current cost clamp" and where can I buy one?
>>
>> ... ah, I sort of see, it's something for seeing how much your
>> electricity is costing you.
>>
>> However I can't see anywhere that sells just the clamps, can you point
>> me at a supplier please.
>>
>>
>> --
>> Chris Green
>>
>>
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>
>
>
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> 6361AZ Nuth
>
>
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Marc Dirix Computers
Schmeddingstraat 24
6361AZ Nuth
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