Multilog 2 WW

Multilog 2 WW

Multilog 2 WW is an advanced data logger designed to monitor a wide range of digital, serial and analogue sensor inputs (with optional outputs) for use in wastewater and environmental applications.

Equipped with our advanced modem, Multilog 2 WW is capable of connecting via LTE-M or NBIoT with a 2G fallback or through 3G or 2G for dependable data telemetry and future-proofing in the rapidly evolving cellular landscape.

Based on the established and proven Multilog platform, Multilog 2 WW features non-metallic housing and connectors to prevent corrosion in harsh environments.



With multiple input capability, Multilog 2 WW is a highly effective, battery powered data logging/RTU solution.  Typical applications include:

  • Multiple input (depth, flow, quality) battery powered RTU
  • As above with switch output for third-party systems (e.g. sampler)
  • Battery telemetry for third-party radar depth and velocity sensors
  • Modbus sensor telemetry

Ideal for environmental and waste applications where ATEX certification is not required.


Key Features and Benefits

  • Telemetry: NBIoT/LTE-M based cellular communication as standard with fallback 2G capability
  • Serial input option: for connection to digital meters, SonicSens 3 level sensor, Modbus, SDI12, Badger/Sensus/Neptune serial meter interfaces
  • 4 channel logging: up to 8 channels
  • Fast logging: primary logging to 1 second as standard – 25hz for transient events

  • Alarm: highly configurable alarms
  • Robust: drop tested non-metallic housing and connectors to prevent corrosion in harsh environments
  • True readings: min, max and statistical channels for investigation and analysis of data
  • State Event recording: for precise recording of events like float trigger or rain gauge
  • Bulgin antennas: support improved signal strength - contact HWM for details of our wide-ranging options
  • Local data download: 6 pin military plug connected to laptop or desktop PC

  • Fully waterproof: the IP68 rating has been tested at 10m depth over a 24 hour period
  • Optional outputs: replicate inputs or trigger on alarm, allows operation of third party sensors, e.g. water samplers
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HWM-Water Ltd
Ty Coch House
Llantarnam Park Way
Cwmbran, NP44 3AW
T: +44 (0) 1633 489 479 F: +44 (0) 1633 877 857 E:
The Queen's Award for Enterprise: Innovation 2017
A Halma company
ISO 9001 ISO 14001 ISO 18001 ISO 27001