The Endress+Hauser Group

Media center

Endress+Hauser Events

Your career with Endress+Hauser

Support close to you

Silica analyzer
Stamolys CA71SI

Colorimetric system for online monitoring of boiler feedwater, steam and condensate analysis

  • ©Endress+Hauser

The CA71SI online analyzer improves analytic procedures by replacing manual cuvette tests. Its quasi continuous measurement enables you to ensure a constant optimum water quality even under thermal charge or high pressure. This guarantees a high performance of ion exchangers and reverse osmosis systems increasing process safety and efficiency.


  • Reliable correlation to heteropoly blue method

  • Cost savings by replacing manual cuvette tests

  • Increased process efficiency and safety thanks to high performance of heat exchangers

  • Reliable compliance with silica limits for demanding thermal and pressure conditions

  • Exact determination of silica breakthrough

  • Two-channel version available for lower installation effort

Field of application

Stamolys CA71SI monitors:

  • Boiler feedwater

  • Steam and condensate

  • Reverse osmosis systems

  • Demineralizers

Features and specifications

Documents / Manuals / Software

Accessories / Spare parts

Predecessor / Successor

Predecessor: CA70SI

Success stories


Endress+Hauser AG
Kägenstrasse 2 4153 Reinach BL Switzerland
Tel.: +41 61 715 7700
Fax: +41 61 715 2888
Send email
Online Tools