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Solar Instrumentation / Data Collection - Page 2

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Posted by Jim Wilkins on March 1, 2011, 4:17 am

Digital interface:

Analog output:

PVA insulation is probably the most generally useful. The glass braid
has a high enough temperature rating to briefly withstand a flame or
molten metal, if you do such things. Thermocouple wire is very stiff
and springy and hard to keep in good contact with surfaces. 30 AWG is
more flexible, I already have thicker wire.


Posted by Jim Wilkins on March 7, 2011, 2:02 pm



Posted by Winston on March 7, 2011, 2:59 pm
 Jim Wilkins wrote:

I have not located a data logger that supports 'analyser mode'
which is, IIRC the ability to buffer up readings at a very high
rate and only *log* the readings that appear before, at or after
a given trigger.  I used that capability in logic analysers many
years ago and found it extremely useful.

It was luxurious to have the instrument ignore gigabytes of
useless data and scrupulously record events happening before,
(during *and* after) a qualifying event, in great detail and

Guess I won't find such a DAQ in the "10 channel 12 bit"
flavor with a 10 MHz clock for <$9.95 any time soon.

--Winston <-- Gotta be battery powered and work standalone too!

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