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Title: pH/EC or pH/TDS for continuous monitoring


roy runcorn - January 20, 2006 01:42 PM (GMT)
Have you found it more convenient to use conductivity meters calibrated in ppm (mg/L) or conductivity measured as TDS (mS/cm)?

(TDS measurements in Hanna meters are performed using the 4-4-2 conversion factor of 0.7 so you do not need to convert the readings)

turkis - January 20, 2006 01:58 PM (GMT)
QUOTE (roy runcorn @ Jan 20 2006, 01:42 PM)
Have you found it more convenient to use conductivity meters calibrated in ppm (mg/L) or conductivity measured as TDS (mS/cm)?

(TDS measurements in Hanna meters are performed using the 4-4-2 conversion factor of 0.7 so you do not need to convert the readings)

The best bet is to get a conductivity meter, the majority of calibration solution are in either microSiemens or milliSiemens per/cm.
It will save you a lot of problem in the conversion factor from ppm or vice-versa.
turkis

:) :) :) :)

iffymike - January 20, 2006 10:48 PM (GMT)
Hey thats a lot of siemens :lol: :lol: :lol: :lol: :lol: :lol: :lol:

Kenliz - January 21, 2006 12:56 PM (GMT)
or get a meter that does both.




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