• Innovative Water Solutions

    Online Water Quality Analyzers – Precise, Fast, and Reliable.

  • COVID-19 / Corona-Virus

    We are here for you without restrictions!

    LAR take all necessary measures to ensure a
    smooth processing of your orders and after sales services.

Leading Expert in Water Quality Online Analysis

In more than 30 years LAR Process Analysers AG has established itself as world's leading manufacturer of high quality online water analyzers. The measurement systems are for the determination of sum parameters such as TOC, TNb, TOD, COD, BOD and toxicity. LAR’s application-specific analyzers are used for the optimization of industrial and municipal waste water treatment plants, for environmental monitoring, as well as for process control in various industries.


Based on their high precision, reliability and speed, LAR’s analyzers are used in various industries, e.g. petrochemical, pulp and paper, pharma, food/beverage and airports.


From complex industrial waste water to pharmaceutical pure water, LAR offers the proper solution for any water analysis challenge (e.g. process water, boiler feed water, oil-in-water).


LAR develops tailor-made analyzers that are versatile in meeting the demands of different applications and industries. Please find the right analyzer for your specific needs.

Our Solutions

  • TOC Analyzer QuickTOCultra, ULTRA-Series


    LAR offers a wide range of application-specific total organic carbon (TOC) analyzers that meet even the most demanding requirements of the industry.


  • COD Analyzer QuickCODultra, ULTRA-Series


    With our Ultra-Series, LAR offers innovative chemical oxygen demand (COD) analyzers that measure COD directly without the need of chemicals.


  • BOD analyzer BioMonitor, BOD-Series

    BOD-/ Toxicity-Analysis

    With our BioMonitor, we offer a fast and reliable solution for the determination of the biochemical oxygen demand (BOD) - and all this within a few minutes.
    In addition, we offer continuous analyzers for the determination of toxicity for various applications.


  • TN-Analyzer QuickTOCultra, ULTRA-Series


    LAR's online total nitrogen bound (TNb) analyzers are suiteable for the most challenging applications with complex water matrices.


  • Relative Humidity

    LAR offers with its brand Hygrocontrol high-precision relative humidity and temperature meter (hygrometer) for industrial use.


    Competence in Your Area.

    LAR Process Analysers


    Neuköllnische Alle 134
    12057 Berlin

    P: +49 30 2789580

    Process Insights


    5710 W. Gate City Blvd, Suite K #185
    Greensboro, NC 27407 USA

    Process Insights

    EMEA Region

    Lyoner Straße 15
    60528 Frankfurt, Germany

    P: +49 6181 92790

    Process Insights

    Greater China Region

    No. 258 Yi He Road
    Wujiang Economic and Technology Development Zone
    215200 Suzhou, Jiangsu Province, China

    P: +86 21 5068 8521

    Questions? We're here to help.

    LAR Process Analysers AG
    Neuköllnische Allee 134
    12057 Berlin