2-2. ROWPU CONTROLS AND INDICATORS - cont.
k. Total Dissolved Solids (TDS) Meter. The portable TDS meter (figure 2-12) is used to measure total dissolved
solids in raw, brine and product water.
Figure 2-12. Total Dissolved Solids (TDS) Meter.
l. Turbidity Tube. The turbidity tube (figure 2-13) is used to see how clear the filtered water is.
Figure 2-13. Turbidity Tube.