Introduction to Indigo Transmitters - INDIGO200SERIES - INDIGO201

Indigo 201 User Guide

Document code
English (United States)
Document type
User guide
Figure 1. Indigo 201 With and Without Display, Wireless Interface Examples

Vaisala Indigo transmitters are a plug-and-play host device platform for Vaisala Indigo-compatible probes. Indigo transmitters extend the feature set of connected probes with a range of additional options for outputs, measurement viewing, status monitoring, and configuration interface access.

Depending on the Indigo transmitter model, a display is available as an optional selection or as a standard feature. In the non-display model, an LED indicator is used for notifications. Probes can be connected either directly on the transmitter from the probe's connector, or by using a cable between Indigo and the probe.

The configuration interface of Indigo transmitters is a browser-based wireless UI that requires a mobile device or computer that supports wireless connectivity (IEEE 802.11 b/g/n WLAN).

The Indigo 201 transmitter is designed for analog output applications. The transmitter's output options include 3 analog output channels (current or voltage) and 2 relays.

For more information on Indigo transmitter models, see