TDS Calibration

[usmc121581]

Is there a way to test the meter to calibrate it. Reason I ask is that NONE of the LFS around here sell the calibration fluids for it.

 

[aquaman67]

They have some here, scroll to the bottom...

http://www.buckeyefieldsupply.com/showproducts.asp?Sub=149&showspecials=149