Seres OL Topaz Total Hardness

Seres OL Topaz Total Hardness

Single-parameter monitoring system for the automatic, continuous measurement of total hardness (TH) in potable water, process water and demin water production.

  • automatic cell cleaning
  • automatic, electrical zero measurement prior to each measurement cycle
  • 2-/4-/6-channel setup for alternating sample streams


For the continuous, colorimetric titration for online determination of total hardness.

Total Hardness
5 to 50 ppm CaCO3 or
10 to 100 ppm CaCO3 or
15 to 300 ppm CaCO3 or
30 to 600 ppm CaCO3


The documentation is available in various languages. Please select your preferred language version.

EN = English   DE = German   FR = French   ES = Spanish   IT = Italian

Product Datasheets

Seres OL Analyzer Topaz Total Hardness EN FR

Product Flyers

Seres OL Topaz Analyzer Series EN


Topaz Total Hardness EN