Temperature Transmitter - Indigo520

  • Supports 2 detachable measurement devices simultaneously
  • Data logging of all measurement parameters
  • Displays measurements on the spot and transmits them to automation systems through analog signals, relays, or Modbus TCP/IP protocol
  • Accommodates 1 or 2 Vaisala Indiga-compatible probes for humidity, temperature, dew point, carbon dioxide, hydrogen peroxide, and moisture in oil measurements
  • Can measure barometric pressure with an additional module

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The Indigo520 Transmitter is an industrial-grade, robust transmitter designed for use with Vaisala Indigo-compatible probes. It supports 1 or 2 probes simultaneously and can measure various parameters such as humidity, temperature, dew point, carbon dioxide, hydrogen peroxide, and moisture in oil. The transmitter is equipped with 4 configurable galvanically isolated analog outputs, 2 relays, and an Ethernet connection for web interface access and optional Vaisala cloud connectivity for remote monitoring. It can display measurements on-site and transmit them to automation systems through analog signals, relays, or Modbus TCP/IP protocol. The transmitter is IP66 rated, has a metal enclosure, and offers multiple powering options including Power over Ethernet, protective extra-low voltage, and AC (mains) power. It is compatible with a variety of probes such as HMP series humidity and temperature probes, DMP series dew point probes, GMP250 series carbon dioxide probes, HPP270 series vaporized hydrogen peroxide probes, and MMP8 moisture in oil probe. The Indigo520 can also be connected to Polaris™ PR53 Process Refractometers for measuring liquid concentrations. It features a capacitive touchscreen display, non-display models with LED indicators, and supports multiple languages. The transmitter is designed for both indoor and outdoor use, with a wide operating temperature range and long-term stability.

Use Cases

  • Typically used in hydrogen and related industrial applications.

Capabilities

  • Accepts 1 or 2 Indigo-compatible probes for multiple environmental and process measurements.
  • Provides analog, relay, and digital (Modbus TCP/IP) outputs for automation system integration.
  • Supports remote monitoring via Ethernet and optional Vaisala cloud.
  • Operates in outdoor and high-humidity environments up to IP66 protection.
Vaisala Oyj Vaisala is a leader in measurement technology, supporting the hydrogen economy with reliable data for fuel cell production and renewable energy transition. Their innovations help reduce environmental impacts and improve efficiency. Vaisalas commitment to decarbonization drives advancements in the low-carbon economy.

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