iRIS UnderCover: Compact configurable wireless IP multi-channel datalogger

iRIS UnderCover: Compact configurable wireless IP multi-channel datalogger

Wireless IP-capable data logger for hydrometeorological and environmental monitoring applications. Combines low-power operation, SDI-12, analogue and counter inputs, flexible sensor integration, and a compact footprint.
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Digital Input/Output
  • 2 digital input channels: configured as pulse/switch, support: event (rainfall), counter/ totalising, utility meter inputs
  • Inputs: clean contact to 0 V or 3.6-12 V DC referenced to GND
  • Output is switched 12 V or open-drain sinking to 0 V, both limited to 100 mA
  • iRIS UnderCover Pro: additional digital I/O channel
Analogue Input/Output
  • 2 analogue inputs: uni-polar, 16 bit resolution, 30 V DC surge-protection
  • Input ranges: 0-0.1, 0-2.5, 0-5, 0-30 V
  • Internal 100 Ω sink resistors allow use of input current (0/4-20mA).
  • 1 analogue (excitation) output for energizing passive instruments (e.g. potentiometer type wind vanes) or alternatively for sending a derived analogue signal to other equipment, selectable as 0-5 V or 4-20 mA
Self-diagnostics & Fault Finding
  • Diagnostics displayed in real time within iLink software.
  • Logging of system inputs, system temperature, external battery voltage and current, internal battery voltage, supply voltage and current input, RSSI (signal strength)
Communications & Protocols
  • 3G or 4G modem
  • FTP file transfer sending 2 x FTP servers
  • Wi-Fi
  • Pro version: SDI-12 instrumentation port (complies with SDI-12 V1.3, supports 5 addressable sensors) and Modbus slave/ master (TCP and RTU)
Power Supply
  • External 12 V SLA or 11.1 V Li-Ion battery
  • Integral charger 10-30 V DC input, optional: solar panel
  • Internal batteries (4 x AA)
  • Over voltage and reverse polarity protected with self-resetting fuse
  • Voltage of battery and charger input: monitored, logged, displayed, alarmed
  • Vin cable length max. 3 m
Data Storage: Flash Memory
  • Total 32 MB, of which 16 MB allocated to logged data (1,398,101 samples)
Status LEDs
  • 1 LED for device status information
  • 1 LED for WiFi communication (local logger configuration and data downloads)
  • 1 LED for communication via COMMS1 daughter board (typically LTE or LTE-M communication)
Environmental Conditions
  • Enclosure: IP65
  • Operating temperature: -40 ˚F to +158 ˚F (-40 ˚C to +70 ˚C)
  • Storage temperature: -40 ˚F to +185 ˚F (-40 ˚C to +85 ˚C)
Size (WxHxD) and Mass
  • 3.15 in x 6.3 in x 2.16 in (80 x 160 x 55 mm), 1.1 lb (0.5 kg)
Conformity / Compliance
  • RoHS, FCC, CE (WEEE pending)
Version 3G modem 4G modem SDI-12 Digital I/O Analogue Out Modbus FTP Virtual Sensors Config. Alarms
iRIS UnderCover No Modem – – – 0 x – – 10 20
iRIS UnderCover Standard x x – 0 x – x 10 20
iRIS UnderCover Pro x x x 1 x x x 20 40
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Reliable monitoring at global scale

Built on data. Proven worldwide.

KISTERS provides reliable monitoring solutions for water, weather, and environmental data – trusted by organizations around the world.
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Connected sensors measure water levels, rainfall, flow, and environmental parameters across intelligent monitoring networks.

“HailSens represents the culmination of years of dedicated research. As the only hail sensor that seamlessly integrates with hailpad data – the gold standard for scientists worldwide.”

Edgar Wetzel from KISTERS in a portrait photo
Edgar Wetzel
Global Head of Product Management Instrumentation HydroMet
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