Indigo520 for Vaisala Polaris Process Refractometers

Enhance your process control with the Vaisala Polaris process refractometer combined with Indigo520. This powerful duo offers a range of features that cater to all users and is the ideal choice for applications with a prism wash system.

With Indigo520, access a variety of data and features, including data logging, wash control, settings, measurement parameters, and Indigo service updates. The process refractometer can be seamlessly integrated into your system, offering versatile connectivity with two selected analog or digital inputs for process refractometers and other Indigo-compatible probes. Additionally, it provides four configurable analog outputs to alarm relays and ModBus TCP/IP digital protocol.

Trust in the reliability and accuracy of the Vaisala Polaris process refractometer, combined with the convenience and versatility of Indigo520, to enhance your process control and take your operations to the next level.

Accessories: spatter guard

The Indigo520 for process refractometers comes with a spatter guard option for extra protection in the outdoors or heavy industry use, or when conditions are otherwise harsh.

For pulp and paper, chemical, petrochemical and oil & gas industry, and harsh conditions.

Available: ONT

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Looking for other measurement parameters with Indigo500 series?

For humidity, dew point, carbon dioxide CO2, vaporized hydrogen peroxide (H2O2), moisture in oil or barometric pressure visit Indigo500 product family page.

Key Benefits

  • Direct access
    Direct, easy to use touchscreen interface

  • Prism wash control
    Including wash sequence control, intelligent wash programs, and more.

    Unique in the world, Vaisala offers a retractable refractometer with a wash nozzle for green liquor.

  • Data logging
    Log 14 days of measurement data, in rapid intervals. Easy data download to Excel from web browser interface.

  • Concentration curve management
    Easily switch between different concentration curve and field adjustment options to measure different products or process liquids on the same pipeline.

  • All Indigo family instruments at your fingertips
    Connect up to two Indigo family products, for example process refractometers, temperature, humidity, COor vaporized hydrogen peroxide H2O2,.

    Select the instruments most appropriate for your process and enjoy the smooth operations.

  • Software updates for the Indigo520 transmitter
    Easily update the software of Indigo520 for process refractometers with the Vaisala Insight PC Software.



Manufacturer info

Today, Vaisala is a global leader in weather, environmental, and industrial measurements headquartered in Vantaa, Finland. Building on over 80 years of experience, Vaisala strives towards its mission of Observations for a better world.