This in-line TDS monitor is factory calibrated to give conductivity
characteristics closely representing sea water and brackish water. This
monitor cannot be recalibrated in the field. When treating natural fresh
water, the TDS reading will not be accurate, but may be used for
Remove in-line TDS monitor from storage box No. 3. Carefully unpack and install on control panel (fig. 2-29)
by sliding into brackets. Secure with pin. Install each plug in proper receptacle.
Figure 2-29. In-Line TDS Monitor Location