• New TOC Analyzer for Clean and Pure Water

    The improved and further developed QuickTOCuv is ideal for fast and reliable online monitoring in pure, drinking, surface and waste water.

  • Innovative Water Solutions

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

  • COVID-19 / Corona-Virus

    Even through these uncertain times, we are here to support you and your analytical measurement needs. We have imposed health and safety policies, and protocol to limit the potential spread of infection.  


    Now our Service Experts can resolve a variety of customer concerns FAST – ranging from simple software and hardware issues to more complex application questions.

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 Online Water Analyzer


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


  • COD Online Water Analyzer


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


  • BOD online water analyzer BioMonitor

    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.

    BOD, Toxicity

  • TN Online Water Analyzer


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


  • Hygrometer Hygrocontrol Type 85

    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 Allee 134
    12057 Berlin

    P: +49 30 2789580

    Process Insights

    Corporate Offices

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

    Process Insights

    EMEA Region

    Lyoner Straße 15
    60528 Frankfurt, Germany

    P: +49 69 20436910

    Process Insights

    Greater China Region

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

    P: +86 400 0860106

    Questions? We’re here to help.

    LAR Process Analysers AG
    Neuköllnische Allee 134
    12057 Berlin