Vaisala Indigo500 Series - Table 21 Indigo520 Measurement Performance; Table 22 Indigo520 Operating Environment

Property Description/Value
Powering • Protective extra-low voltage (15 … 35 V DC,
24 V AC ± 20%)
• AC (mains) power (100 … 240 V AC 50/60 Hz)
• Power over Ethernet (no analog outputs or
relays)
1) Recommended when the transmitter is exposed to direct UV light, and for outdoor
installations and high-humidity environments.
Table 21 Indigo520 measurement performance
Property Description/Value
Barometric pressure (optional module)
Pressure range 500 … 1100 hPa
Class A:
Linearity ±0.05 hPa
Hysteresis ±0.03 hPa
Repeatability ±0.03 hPa
Calibration uncertainty ±0.07 hPa
Accuracy at +20 °C / +68 °F ±0.10 hPa
Temperature dependence ±0.1 hPa
Total accuracy (-40 … +60 °C / -40 … +140 °F) ±0.15 hPa
Long-term stability/year ±0.1 hPa
Response time (100 % response):
One sensor 2 s
Pressure units hPa, mbar, kPa, Pa, inHg, mmH20, mmHg, torr,
psia
Table 22 Indigo520 operating environment
Property Description/Value
For use in wet locations Yes
Operating humidity 0 … 100 %RH
Maximum operating altitude, AC (mains) power 3000 m (9843 ft)
Maximum operating altitude, protective extra-
low voltage (PELV) and Power over Ethernet
(PoE)
4000 m (13 123 ft)
Indigo510, Indigo520 User Guide M212287EN-N
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