HACH EZ4000 Series Online Volumetric Hardness Analyzer

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HACH EZ4000 Series Online Volumetric Hardness Analyzer

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The Hach® EZ Series of online analyzers covers a unique range of parameters on a single analyser platform. Five measurement technologies (colorimetry, titration, ion-selective electrode, voltammetry, and chemiluminescence) allow for a wide selection of measuring ranges and applications. All instruments come in the same rugged mainframe with a compact footprint. Their common user interface on industrial panel PCs is easy to use and keeps training efforts low. Administrator access and activated/deactivated menu keys provide security. Various analog and digital communication outputs support easy integration into your systems. Discontinuous analysis at programmable intervals assures low reagent consumption and eliminates cross-contamination. All EZ Series analyzers share wear and spare parts thus requiring less inventory. Similar maintenance steps again bring down training efforts. Optional Hach service agreements protect your investment and help ensure compliance.





Online automatic titration of Total Hardness or Calcium Hardness in water

Results you can rely on 

EZ4000 Series Analyzers are single-parameter titrators that achieve excellent precision and accuracy. Depending on the parameter of interest, the measuring range and the water matirx the EZ4000 series may use either potentionmetry i.e. acid-base, redox or precipitation titration, where the endpoint is determined by a change in a specific variable, or photocolorimetry, where color change is used to determine the endpoint of the titration. 

Smart automatic features for validation, priming and cleaning are embedded in the controller software and contribute to analytical perfomance, maximised uptime and negligible operator invervention. 

Flexibility that meets your needs

EZ series Hardness Analyzers come in attractive, ergonomic mainframe with a compact footprint. All hardware is conrolled by the integrated industrial panel PC. The modular build allows for the analyser to match your applicaton and operational needs. 

  • The standard measuring range can be narrowed by a different calibration range or extended via internal diltuion options. 
  • Analog and digital output options
  • Multiple stream analysis for up to 8 sample streams

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