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Old 05-09-2006, 11:20 PM   #1
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Water Quality Measurement Probes

Hi all,

I've been curious about this for a while and finally asked the chemist at work about it.. You CAN get probes that will measure various water qualities and they are arguably affordable.

Some even have RS-232 outputs for data logging.

http://www.dkktoa.net/productslpi10.html
http://www.copcoinc.com/products/alc...e-lectrode.htm

There's more if you search google for "calcium sensor probe".


Enjoy!
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Old 05-10-2006, 05:41 PM   #2
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Usually the really expensive part is the controller. The probe is usually some sort of bi-metal job with a current supplied or generated. If you can convert raw probe data to an RS-232 signal, that would be very cool.
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