[time-nuts] Temperature sensors and bridge amps
Hal Murray
hmurray at megapathdsl.net
Fri Nov 12 11:04:13 UTC 2010
> This was one of the things that I wondered about: How large currents are
> used ?
> Can't be too much because that would lead to self-heating...
I don't know about temperature, but I've worked with load cells. The data
sheet I just found on the web said 350 ohms at 10 V, so 28 mA, or 14 each
side. That seems like a reasonable ballpark.
That's 1/3 watt, but they are mounted on a blob of steel the size of my fist.
--
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