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HACH COMPANY was established in 1947, in Ames, Iowa, USA. For more than 60 years, Hach has been the world market leader for Analytical Instrumentation for Complete Water Analysis, providing solutions for lab, process and field.

In 2002, GLI, a leading US manufacturer of process electro-chemistry analytical instruments, became part of the Hach Company family.

Water analysis has to be right. Our customers deserve complete, reliable solutions that they can be fully  confident in. Hach is your answer. We make water analysis simpler

Sample Conditioning

Filtrax™ System

Sample Conditioning


Applications: Wastewater, Industrial Water.
  • Specially designed for efficient wastewater analysis
  • Continuous air cleaning minimizes cleaning required
  • Low operating cost, no need for an expensive, high maintenance submersible pump
  • Works reliably, even with a high sludge volume index or floating sludge


Sample FlowApprox. 900 mL/h for up to three process instruments
Temperature41 to 104°F (5 to 40°C)
OutputsProgrammable Fault Alarm Contact:
Potential free contact (230 V, 3A maximum)
Programmable Warning Contact:
Potential free contact (230 V, 3A maximum)
Service Interface: RS232
Enclosure ClassIP55 (outdoor installation)


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