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Inline Refractometer Sensor:
L-Rix

  • Inline refractometer sensor Anton Paar L-Rix 2100 PG with threaded process connections, stainless steel housing, and printed technical label
  • Metal process adapters and threaded mounting block for Anton Paar L-Rix 2100 inline refractometer sensor on neutral background
  • Technician in workshop operating CNC machine while holding Anton Paar L-Rix 2100 inline refractometer sensor, with control panel and tools visible
  • Anton Paar L-Rix 2100 inline refractometer sensor mounted in metal block, with angled stainless steel probe, orange cable connection, and green status light
  • Gloved hands assembling optical tip of Anton Paar L-Rix 2100 inline refractometer sensor, with small components and tools on workbench
  • Gloved hand installing Anton Paar L-Rix 2100 inline refractometer sensor into pipeline mounting block, with stainless steel tubing and fittings
  • Two Anton Paar L-Rix 2100 inline refractometer sensors placed beside semi-transparent plastic container filled with liquid
  • media
  • Inline refractometer sensor Anton Paar L-Rix 2100 PG with threaded process connections, stainless steel housing, and printed technical label
  • Metal process adapters and threaded mounting block for Anton Paar L-Rix 2100 inline refractometer sensor on neutral background
  • Technician in workshop operating CNC machine while holding Anton Paar L-Rix 2100 inline refractometer sensor, with control panel and tools visible
  • +4

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Model:
  • Inline concentration sensor for propylene glycol
  • Plug-and-play commissioning thanks to pre-configured setup
  • Direct output of propylene glycol concentration value
  • Includes all other product benefits of L-Rix 2100
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    All L Rix 2100/3100 models provide continuous inline concentration monitoring tailored for demanding industrial environments – delivering best in class quality, accuracy, compactness, and cost efficiency. Engineered for applications such as metalworking machines (including cooling lubricants and aqueous polymer quenchants), industrial process fluids, and fruit and vegetable processing, L Rix 2100 and L Rix 3100 offer out of the box °Brix and temperature measurement. For glycol-based systems, L Rix 2100 EG and L Rix 2100 PG deliver ready to use concentration sensing for ethylene glycol and propylene glycol applications. Our entire inline refractometer sensor series helps extend tool and machine life, improve product quality, reduce downtime, and minimize maintenance costs, ensuring reliable performance even in challenging industrial conditions.

    Key features

    Inline refractometer sensor: Maximum lifetime

    • Continuous Brix monitoring ensures optimal concentration 
    • Key parameter for production perfection in various processes
    • Metalworking: Prevent tool wear, optimize quality
    • Food processing: Ensure consistent quality, less waste
    Technician in workshop operating CNC machine while holding Anton Paar L-Rix 2100 inline refractometer sensor, with control panel and tools visible

    Unparalleled precision

    • Unparalleled precision: ±0.15 °Brix to 0.2 °Brix
    • Unique compactness: 114 mm x 34 mm 
    • Competitive price point: Ideal cost-performance balance
    • Strong combination of affordability and superior accuracy 
    Anton Paar L-Rix 2100 inline refractometer sensor mounted in metal block, with angled stainless steel probe, orange cable connection, and green status light

    Supreme quality

    • Built with sapphire
    • Produced in “clean room” to prevent dust particle embedding
    • Integrated self-diagnostics to prevent inaccurate readings
    • IO-Link interface that also provides diagnostic information
    Gloved hands assembling optical tip of Anton Paar L-Rix 2100 inline refractometer sensor, with small components and tools on workbench

    Continuous performance

    • Pre-configured to get up and running fast 
    • 15+ years of operation in tough industrial environments 
    • Reduction of downtime
    • Minimization of maintenance costs
    Gloved hand installing Anton Paar L-Rix 2100 inline refractometer sensor into pipeline mounting block, with stainless steel tubing and fittings

    Out-of-the-box applications

    • Direct output of concentration value
    • Formulas engineered by Anton Paar’s application experts
    • Plug-and-play commissioning
    • Seamless integration via standard interfaces
    Two Anton Paar L-Rix 2100 inline refractometer sensors placed beside semi-transparent plastic container filled with liquid

    Specifications

     L-Rix 2100L-Rix 2100 PG L-Rix 2100 EG L-Rix 3100
    LED StatusYes
    Refractive indexRange: 1.3268 nD to 1.3830 nD (0 °Brix to 30 °Brix)Range: 1.3268 nD to 1.3830 nD (0 % w/w to 50 % w/w)Range: 1.3268 nD to 1.4215 nD (0 °Brix to 50 °Brix)
    Concentration formula Propylene glycolEthylene glycol 
    Accuracy±0.20 °Brix ±0.20 % w/w±0.15 °Brix 
    Repeatability±0.10 °Brix±0.10 % w/w±0.075 °Brix
    Housing materialStainless steel 1.4305 and plastic material
    Material of the wetted partsSapphire (Al2O3 – 99.997 %), stainless steel 1.4305, VICTREX FG 200
    Ambient temperature-5 °C to +55 °C
    Process temperature and pressure0 °C to 60 °C, 0 bar to 10 bar-15 °C to 60 °C, 0 bar to 10 bar0 °C to 60 °C, 0 bar to 10 bar
    Process connectionsG1“ Male, according to DIN/ISO 228
    Protection classIP65; IP67
    Output°Brix and temperaturePG concentration and temperatureEG concentration and temperature°Brix and temperature
    CommunicationAnalog, IO-LINK
    PLC ConnectionM12 sealed connector with single cable for power supply and 2x analog output
    Apparent ohmic resistance240 Ohm to 500 Ohm
    Power supplyDC 24 V (range 20 ... 30) SELV/PELV (Class 2 circuits)
    Cleaning (using AP adapter with cleaning connection)Water or approved cleaning agents – up to 60 °C, 5 bar max.
    Storage conditions: Ambient temperature and relative humidity-40 °C to +70°C; 10 % to 100 %
    CertificationFCC, CE, ULFCC, CE, UL, 3A*

    *When used with VARIVENT® adapter

    Anton Paar Certified Service

    Support throughout your instrument’s full lifecycle, wherever you are
    • Three-year standard warranty
    • Guaranteed original-parts and service support for at least 10 years after product discontinuation – plus ongoing lifecycle support
    • Instrument maintenance, verification, and optimization
    • Fast, reliable support from certified, factory-trained experts in 110+ countries
    Learn more

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