The Vaisala Indigo520 supports two detachable probes simultaneously. The Indigo520 is compatible with Indigo probes that measures humidity, temperature, dew point, carbon dioxide, hydrogen peroxide, and moisture in oil measurements. The Indigo520 can also measure barometric pressure with an additional module.
Choose the humidity measurement probe that best suits your needs:
• HMP1 for laboratories
• HMP3 with a field replaceable sensor for general use
• HMP7 for demanding, high-humidity industrial and meteorology applications
• HMP9 for confined spaces
• TMP1 for temperature measurement only
Specifications
Indigo Compatible Probes
Measurement type
Probe models
Humidity and temperature
HMP1, HMP3, HMP4, HMP5, HMP7, HMP8, HMP9
Temperature
TMP1
Dew point
DMP5, DMP6, DMP7, DMP8
CO2
GMP251, GMP252
Vaporized hydrogen peroxide
HPP271, HPP272
Moisture in oil
MMP8
Other Compatible Devices
Device or series
Models
MHT410 Moisture, Hydrogen and Temperature Transmitter
MHT410
Measurement Performance
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
Mechanical Specifications
NEMA rating
NEMA 4
Housing classification
IK08, DIN EN ISO 11997-1: Cycle B (VDA 621-415)
Housing material
AlSi10Mg (DIN 1725)
Display window material
Strengthened glass (IK08)
Display size
5 in
Weight
1.5 kg (3.3 lb)
Dimensions (H × W × D)
142 × 182 × 67 mm (5.63 × 7.17 × 2.64 in)
Cable diameters for cable glands
M20×1.5 glands
5.0 … 8.0 mm (0.20 … 0.31 in)
M20×1.5 glands with split bushing
7 mm (0.28 in)
M16×1.5 glands
2.0 … 6.0 mm (0.08 … 0.24 in)
Inputs and Outputs
Operating power 1)
Protective extra-low voltage (PELV) version
15 … 35 V DC, 24 V AC ±20 % 50/60 Hz, max. current 2 A (power supply input is galvanically isolated) Fuse size for power supply: 3 A Isolation voltage: 500 V AC, 1000 V DC
PELV power cable temp. rating
≥ +80 °C (+176 °F)
AC (mains) power version
100 … 240 V AC 50/60 Hz, max. current 1 A (power supply input is galvanically isolated) Fuse size for power supply: 10 A Isolation voltage: 1500 V AC
Power over Ethernet version
Power over Ethernet (PoE) IEEE 802.3at Type 2 Class 4 Max. current 600 mA, max. power consumption 25.5 W Isolation voltage: 500 V AC, 1000 V DC
Analog outputs
Number of analog outputs
4
Selectable voltage output types
0 … 1 V, 0 … 5 V, 0 … 10 V, scalable
Selectable current output types
4 … 20 mA, 0 … 20 mA, scalable
Max. wire size
2.5 mm2 (14 AWG)
Accuracy of analog outputs at +20 °C (+68 °F)
±0.05 % full scale
Temperature dependence
±0.005 % / °C full scale
External loads:
Current outputs
RL < 500 Ω
0 … 1 V output
RL > 2 kΩ
0 … 5 V and 0 … 10 V outputs
RL > 10 kΩ
Relay outputs
Number and type of relays
2 pcs, SPDT
Max. switching power, current, voltage
30 W, 1 A, 40 V DC / 28 V AC
Max. wire size in PELV version
2.5 mm2 (14 AWG)
Max. wire size in AC (mains) version
1.5 mm2 (16 AWG)
Ethernet interface
Supported standards
10BASE-T, 100BASE-TX
Connector
8P8C (RJ45)
Supported protocols
Modbus TCP/IP (port 502), HTTPS (port 8443)
1) The power supply option is selected when ordering the transmitter.
Operating Environment
For use in wet locations
Yes
Operating humidity
0 … 100 %RH
Maximum operating altitude
3000 m (9843 ft)
IP rating
IP66 1)
Operating temperature
With display
-20 … +55 °C (-4 … +131 °F)
Without display
-40 … +60 °C (-40 … +140 °F)
Without display with barometer module
-40 … +55 °C (-40 … +131 °F)
Storage temperature
With display
-30 … +60 °C (-22 … +158 °F)
Without display
-40 … +60 °C (-40 … +140 °F)
1) Evaluated by Eurofins, not by UL
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