Take a look at:

http://www.elv.de

and search for part. nr. 68-157-50

Andrej

On 10 Sep 2004 at 21:26, Jinx wrote:

> Any circuit suggestions for a multimeter plug-in that could measure
> 1nA (hopeful) to a few uA ? I was thinking perhaps A -> V and
> use the low DC volts range
> 
> I've got a couple of multimeters - one goes down to 20uA and the
> other to 2000uA. Measuring a sleeping 12F675 gets you 00.0uA
> or 0.000mA (yes, it is alive, I can wake it up to do stuff). Helpful
> in the sense that it shows the battery will last a flipping long time,
> but there's nothing there to hang your hat on
> 
> Googled and Googling around a bit but not too fruitful yet. Maybe
> I'm not searching for the right thing, and there's such a bewildering
> array of parts and technologies I might not even recognise what I
> need when I see it anyway
> 
> The old NatSemi Linear Apps book has a 200pA-100uA circuit
> (LB37) for the LM216A and a 100uA  moving coil meter, but the
> LM216A seems to have dropped off the radar. I'm certain there
> will be an equivalent or better around, but short of downloading
> squillions of op amp datasheets...........
> 
> TIA
> 
> ===============================================
> If you aren't part of the solution, you're part of the precipitate
> 
> 
> 
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