Evening Ole Bob,
>>I make my readings with a 1 cm X 1 cm X 1cm probe (hoem made with brass
electrodes). Powered by a regulated
10 v ac supply and I measure the ac current. When all of the math is wrung out
one ma is one microSeimen per cc.
Gee, that sounds simpler and much more fun.
What kind of meter do you use to measure? Just any good VOM should
do. A dedicated current meter of
0 to 25 ma would be nice.
The 1 ma = 1 microSeimen is linear I trust, 10 = 10 , ect.
The 1 cm cube has a wire attached ? Any particular type wire, ga,
strands, ect?
I still have a few digital meters ( led type ) that have 3/4 inch tall
numbers. These have exceptional calibration and several levels of
input. I could dedicate one of these for that task. I don't think the
calibration would be too hard.
Might have to wind a shunt or make one. These meters are actually
voltmeters. I used them to show mmHg from a low pressure transducer in a
medical product I used to build.
I suppose the probes could vary a bit if the calibration would
compensate for this.
Likely you arrived at all this to make the 1 =1. That was not an
accident of couse.
Once I built a liquid level indicator from an array of transistors and
voltage dividers. The capacity was 5 ounces.
I had 0 to 5 volts and several of the levels produced 1 volt for one
ounce. Due to the fact I was using software with the 0 to 5 V analog
input, I could do the scale factors for the levels that did not hit the 1
volt to one ounce.
As we know, some of this is limited only by the imagination.
Wayne
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