current sensing

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maxg

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does any one know of a simple device that sense current and give 3 ouput
right current, to high or to low.
around the 8 to 10 A
thanks
 
maxg said:
does any one know of a simple device that sense current and give 3 ouput
right current, to high or to low.
around the 8 to 10 A
thanks
Click to expand...
You want 3 outputs? What should these outputs indicate?
 
3 led, red green and what ever I need a middle point and then 3 A above and below, the middle point be at 8 A
 
Sorry, I still don't know what you're trying to say.

Do you want different LEDs to turn on at different current levels?
 
I guess he wants something like a window comparator.

Indications: within, above, below window
 
Boncuk said:
I guess he wants something like a window comparator.
Indications: within, above, below window
Click to expand...

Yes, it now sounds like the OP needs a shunt feeding an amp feeding a window comparator.
The center of the ranges are 5, 8 and 11 amps so the comparator would trip at 6.5A and 9.5A. . .?
If a shunt is allowed can it be on the low side. . .?
What is the max permissible voltage drop in the shunt. . .?
AC or DC or other. . .?

A course in tech writing wouldn't hurt, either.
 
Last edited:
Willbe said:
A course in tech writing wouldn't hurt, either.
Click to expand...
English doesn't appear to be his first language, so I suspect a course in tech writing wouldn't help. If English is his first language, may God help him...
 
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