I did a test this morning. In a bowl of tap water
(chlorinated) the reading was about 0.7 Ohms at a
6" separation of the probes. That is a lot more
conductive that the readings I got, and will
quantify on the next visit. Pure water is
considered dielectric,but also shows some
conductivity.
http://physics.stackexchange.com/questions/41115/why-is-water-not-used-as-a-dielectric-in-the-condenser
At 12:28 PM 7/5/2016, you wrote:
Test resistance only on disconnected wiring,
measure resistant to ground either side of the
switching point. . The controller will likely be
a open collector that will measure current to
ground. Do nor use megger, you are not testing insulation.
On Jul 5, 2016 10:37 AM, "Drake"
<<mailto:[email protected]>[email protected]>
wrote:
Is there a way to test the conductivity sensors
for the low water shutoff and restart on a
submersible well pump, from the surface?Â
 Could the wires be resistivity tested?
What should the resistance readings be between
the wires? Would a megohm meter be the right
tool to use? Could the pump be harmed by the
high voltage spike in the water around it produced by the meter?
Thanks,
Drake
Drake Chamberlin
Athens Electric LLC
OH License 44810
CO License 3773
NABCEP Certified Solar PV
<tel:740-448-7328>740-448-7328
<http://athens-electric.com/>http://athens-electric.com/
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