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Hach Lange

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Who is Hach Lange?

Hach Lange is a manufacturer of water quality analysis instruments, photometric test systems, reagents, and online process analyzers used to monitor drinking water, wastewater, and industrial process streams.

  • Laboratory water analysis instruments and photometers
  • Cuvette test kits and reagent systems for parameter testing
  • Online and process water quality sensors and analyzers
  • Wastewater treatment monitoring and regulatory compliance measurement
  • Data management and reporting tools for water quality monitoring
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More About

Hach Lange operates in the water analytics segment of industrial instrumentation, serving municipal water utilities, wastewater treatment operators, industrial manufacturers, and environmental laboratories. Its offerings are positioned for regulatory compliance testing, process control, and routine laboratory analysis, where measurement accuracy and method traceability are required.

The portfolio spans benchtop spectrophotometry, colorimetric test methods based on reagent chemistry, titration, and digital probe measurement. Laboratory instruments commonly use cuvette-based photometric methods aligned with standard analytical procedures. Online analyzers provide continuous measurement of parameters such as turbidity, chlorine, pH, conductivity, nitrate, and dissolved oxygen through sensor and controller architectures that integrate with supervisory control and data acquisition (SCADA) systems.

Connectivity and data handling are increasingly relevant to customers. Modern analyzers support digital communication protocols such as Modbus and analog 4 to 20 mA signaling, which enables integration into distributed control systems and plant historians. Data capture supports audit trails and reporting requirements for compliance.

In the water analysis category, the company competes with other providers of laboratory and online water quality instrumentation. This category differs from general industrial process measurement in its emphasis on chemistry-based test methods, standardized procedures, and reagent consistency.

Water quality monitoring is a regulated activity in many jurisdictions. Instrument reliability, calibration support, and reproducible test results therefore carry operational and compliance weight for customers in utilities, industry, and environmental testing. These attributes shape purchasing decisions as much as the initial instrument specification.

Directory positioning reflects a focus on electronic instruments and water analytics solution areas. Activity centers on measurement hardware, reagents, and associated software for water quality analysis rather than on general information technology services.

Our description of Hach Lange. Updated October 2026.

Market segments

  • Information Technology / Technology Hardware & Equipment / Electronic Equipment, Instruments & Components

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