Manual

C. Hardness Unit Preference Selection
The LSI Calculator allows you to select either ppm or grains of
hardness units for saturation index calculation.
The hardness unit conversion is based on the following equivalency:


of hardness in the 6Psi.
NOTE: The 6Psi MUST be in the
Hrd
Calculator mode or LSI Calculator
“User” mode for hardness unit
preference selection.
By default, hardness unit preference

1. While in the Hrd screen in
CALC LSI or LSI Adj mode,
press and hold the
key. HArd SEL will display
along with the current unit
 
  o r to
toggle between ppm and
grains of hardness. No unit
icon is lit when grains is
 
  to accept the
change. The LSI calculator
will resume in the Hrd
screen. The unit change
 
 
Figure 51
PPM
PPM
Figure 52
Figure 53
Figure 54
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