Measures Total Dissolved Solids in two places with this easy to read TDS Meter.

Avoid TDS creep! This Dual Inline TDS Meter featuring an easy to read display measures Total Dissolved Solids in two places. 

Not to be compared with cheaper models, this easy to read display measures Total Dissolved Solids in two places. 

Recommended installation: Insert one probe (into a Tee fitting) between the RO membrane and the DI section, and the second probe after the DI stage (in a second Tee fitting). 

Uses two AA batteries, included.  Includes mounting bracket and doublestick adhesive tape.