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  • Wireless interface
  • Designed for harsh environments
  • IP65 rated enclosure
  • Operating temperature:
    • -40 to 140°F (-40 to 60°C) w/o display
    • -4 to 140°F (-20 to 60°C) w/ display
  • 24V power supply input
  • 3 analog outputs (mA or V)
  • 2 configurable relays

This product is an accessory for the following products:

Vaisala GMP251 Carbon Dioxide Probe
Measures carbon dioxide for use in demanding applications with IP65 housing, 0 to 20% CO2 measuring range
Vaisala GMP252 Carbon Dioxide Probe
For use in harsh and humid environments featuring IP65 housing & 0 to 10,000 PPM CO2 measuring range

The Vaisala Indigo 201 analog output transmitter extends the functionality of Vaisala compatible probes by displaying their measurement results and converting them into other formats. This probe host is a plug-and-play device for current and future Vaisala Indigo compatible probes. It has a color LCD display but is also available as a non-display version with a LED indicator for notifications. Typical applications include life science incubators, hatchers and setters, greenhouses, cold storage and refrigeration, food transportation, CO2 safety, and demanding HVAC such as for animal shelters and parking garages.