Vaisala Indigo200 Series Transmitters For Vaisala Indigo compatible probes

Vaisala Indigo200 Series Transmitters For Vaisala Indigo compatible probes

Vaisala Indigo200 series transmitters are host devices for displaying measurement values from Vaisala Indigo compatible probes and/or transmitting them to automation systems through analogue signals, Modbus RTU communication, or relays.


Indigo200 series transmitters are plug and play probe host devices for current and future Vaisala Indigo compatible probes. The host device has a numerical and graphical colour display; Indigo201 is also available as a non-display version that uses an LED indicator for notifications.


Vaisala Indigo compatible probes are connected either directly to the host or by using a cable between Indigo200 and the probe. Indigo200 has a browser-based wireless configuration interface for mobile devices and computers that support a wireless connection (IEEE 802.11 b/g/n WLAN). The host device and the probes connected to it can be configured using the wireless user interface. It also allows for temporary viewing of the measurement data.


Typical applications for the Indigo200 include industrial and compressed air drying, life science incubators, hatchers and setters, greenhouses, cold storage & refrigeration, food transportation, CO2 safety, hydraulic and lubrication oil monitoring, demanding HVAC such as animal shelters, swimming pools, parking garages, and facilities using vaporized hydrogen peroxide decontamination.


  • Plug-and-play probe connection for Vaisala Indigo compatible probes
  • Wireless interface for configuration and temporary use
  • Operating temperature: -40 … +60 °C, with display -20 …+60 °C
  • LCD colour display (optional non-display version for analogue model)
  • IP65 enclosure
  • 24 V power supply input
  • Indigo201 model: 3 analogue outputs (mA or V)
  • Indigo202 model: RS485 with Modbus RTU
  • 2 configurable relays
  • Easy access to data
  • For harsh environments
  • Easy installation



Dimensions (H×W×D) 149 × 135 × 43 mm (5.87 × 5.31 × 1.7 in)
Weight 402 g (14.2 oz)
Operating temperature
  • With display −20 … +60 °C (−4 … +140 °F)

  • Without display −40 … +60 °C (−40 … +140 °F)

Storage temperature −40 … +70 °C (−40 … +158 °F)
IP rating IP65
Power supply input 15 … 30 V DC 1) 24 V AC ±10 % 50/60 Hz
Housing material PC/ABS plastic
Display window material PMMA plastic
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