[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.




-- 
These are my opinions, not necessarily my employer's.  I hate spam.






More information about the time-nuts mailing list