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Indigo 201 Analog Output Transmitter

Vaisala Indigo 201 Analog Output Transmitter is a host device for Vaisala's intelligent, stand-alone CO2 probes*), GMP251 and GMP252. The products are suitable for use in life science, agriculture, food, and demanding HVAC applications.

Indigo 201

Indigo 201 Indigo 201 Indigo 201 Indigo 201

Main features
Plug-and-play probe connection to Vaisala's CO2 probes GMP251 and GMP252
Effortless installation saves time
Wireless interface for configuration and temporary use Minimal downtime with interchangeable probe
Operating temperature: -40 ... +60 °C,
with display -20 ...+60 °C
Safe for harsh environments:
resistant to dust and most chemicals
LCD color display (optional non-display version) Smooth surface makes cleaning simple
IP65 enclosure
Easy evaluation and visualization of data, also wirelessly
24 V power supply input
3 analog outputs (mA or V)
2 configurable relays


*)All GMP251 and GMP252 probes manufactured from 2017 onwards with serial numbers starting with the letter N or latter in alphabetical order have full Indigo compatibility.