Multi-Sensor & Hub
for monitoring server rooms & remote cabinets

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Originally designed for monitoring remote distributed network hubs for the IDA Smart Nation project in Singapore, the Multi-Sensor & Hub is the result of a long analysis of what a sensor box should be able to monitor inside a server room or remote cabinet.

The unique device is an expansion hub for our sensorgateways, the base unit. The base unit plugs into this device so that you have all into one housing.

It comes with the 10 most commonly required sensor metrics for server rooms, MDF/IDF sites & other edge infrastructure sites:
- temperature
- humidity
- dew point
- shock
- sound
- motion
- power failure
- luminosity (light in Lux)
- smoke sensor
- water leak sensor incl 6ft sensing cable
EXP-4HUB Infographic


Next to the above sensors, the unit features 8 dry contact inputs for legacy sensors and equipment. It also features 4 dry contract outputs allowing you to control 3rd party equipment such as HVAC units, generators, ...

Last but not least, the device is a sensor hub: you can expand the device with up to 5 sensors: 4 digital sensors and 1 analog sensor.

10 Sensors - 7 Dry Contact In & 4 Out - Modbus - SNMP - SNMP Traps - Email - SMS - Voice Call - Rack Mountable - Industrial Grade

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Technical Specifications

Technical Specifications - MultiSensor & Hub (EXP-4HUB)
Expansion ports for external sensor probes: 4 digital and 1 analog sensor
Dry contact input ports: 8
Dry contact output ports: 4 (digital sink 100mA)
Auxillary supply: maximum current capacity of 500mA at 9 to 12 VDC
Power consumption: 650 milliWatts
Dimensions: 160 mm (6.3") x 165 mm (6.5") x 60 mm (2.4")
Housing: Orange metal casing with one LED status indicators
Operating temperature range: 0C to +75C (32F to +167F) in PoE mode
Specifications of on board sensors:
Temperature Resolution: 0.1C (0.18)F precision
Temperature Accuracy: +/- 0.5C (+/- 0.9 F) over 0C to +60C
Readings in Celsius or Fahrenheit
Relative Humidity Measurement Range: 0 to 100 % RH
Relative Humidity Resolution or precision: 0.1 % RH and 1 % RH
Relative Humidity Accuracy: +/- 2 % RH between 10 % RH to 90 % RH and +/- 4 % RH below 10 % RH and above 90 % RH
Relative Humidity Long Term Stability: < 1 % RH/year
Sound (db) Resolution: 1 db precision
Luminosity Resolution: 0.5 Lux precision
Vibration unit: G force
Minimum value: 1G
The SensorGateway is required for this sensor.
Requires SensorGateway v5.1+ with firmware 8+
Network communication protocols: SNMPv2,v3 XML, JSON, HTTP and Modbus TCP
Operating temperature range: 0C to +75C (32F to +167F)
Operating humidity range: < 90% rH (non-condensating).
Sensor connects via regular straight RJ45 cable to the SensorGateway.
Maxmimum distance between probe and SensorGateway is 100m/330ft when using a CAT6 or CAT7 cable (subject to cable quality and interference)
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Designed for remote cabinets
& small server rooms.
Multi sensor solution to monitor most threats posed to remote critical facilities with a small (almost) squared box.
Micro data centers
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Device preloaded with 10 sensor metrics
temperature, humidity, dew point, shock, sound, motion, smoke, power failure & luminosity, water leak - all in one box
Heartbeat icon
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Hub for additional sensors.
MultiSensor & Hub
Connect up to 4 additional digital sensors and 3 dry contact sensors. Expand it with our other environmental, power or security sensors.