For TDS measurements, users
can choose a conversion factor
between 0.45 and 1.00 in
increments of 0.01.
Set your meter to "conv 0.70," and those solutions should be fine. They give you two conductivities so you can compare and "balance the results."
DreadedHermie Reviewed by DreadedHermie on . how to calibrate ppm on hanna hi98129 do i use the 1413us/cm solution or the 1500 ppm solution to calibrated Rating: 5