Vaisala Indigo 500 Serie Guide Rapide page 7

Introduction to Indigo 500 Series
Transmitters
Vaisala Indigo 500 Series Transmitters are industrial-grade, robust transmitters that
accommodate 1 or 2 Vaisala Indigo compatible probes for humidity, temperature, dew point,
carbon dioxide, hydrogen peroxide, and moisture in oil measurements. The transmitters can
display measurements on the spot as well as transmit them to automation systems through
analog signals, relays, or Modbus TCP/IP protocol.
The Indigo 520 transmitter has 2 probe connections and a touchscreen display.
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1 Touchscreen display
2 Transmitter base
3 Transmitter cover
4 Cable gland for Ethernet cable and optional analog output cable (M20×1.5 lead-through)
5 Cable glands for probe connection cables (M16×1.5 lead-throughs)
6 Cable gland for optional relay cable and power cable in the PELV and AC (mains) power
supply options (M20×1.5 lead-through)
7 Hex screws for opening the cover
The power supply option and cable glands for the lead-throughs are selected when ordering
the transmitter. Unused lead-throughs are plugged.
Specifications
Table 1 Operating environment
Property
Operating temperature
Storage temperature
Operating humidity
Maximum operating altitude
Figure 1 Indigo 520 transmitter parts
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Specification
−20 ... +55 °C (−4 ... +131 °F)
−40 ... +70 °C (−40 ... 158 °F)
0 ... 100 %RH
3000 m (9843 ft)
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