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Radiodetection RD521 Noise Logging System


  Acoustic zone monitoring
  Rapid leak location from a mobile unit
  Multiple RD521s can be deployed across a large water network
  Reliable robust loggers with battery life up to 10 years
  Portable receiver can be vehiclemounted to allow fast, efficient coverage of deployed transmitters
  Data is GPS and GIS compatible

The RD521 wireless noise logging system sets a new benchmark for water infrastructure servicing. The system relies on any number of permanently installed noise loggers deployed across zones or District Metered Areas within a water supply network. The loggers detect and store noise generated by water leaks.

Loggers can be installed at valves, hydrants, water meters and other fittings.

To retrieve this information, the operator can mount the receiver to a vehicle. The noise loggers will automatically send saved measurements wirelessly, where they will be recorded and analyzed by the drive-by receiver. Using this method, an operator can check between 220 and 350km (140 and 220 miles) of water pipes per day.

The RD521 can retrieve information from an unlimited number of loggers.

Each logger saves and transmits measurements every 5 seconds for the duration of its 10-year battery life.

This makes the RD521 the ideal choice for managing leaks in very large water supply networks.



Data Sheet

Ordering Information

RD521 60/RD521 Logger and transmitter
Stainless steel housing. 2.1" (55mm) high (7" (180mm) high inc aerial and magnet)

RD521R 60/RD521R Radio Receiver
Aluminium housing, 9" x 5.1" x 4.1" (230mm x 130mm x 105mm). Memory for up to 100 loggers. Includes power supply and aerial with magnetic base

RD521R2 60/RD521R2 Radio Receiver
Includes built-in aerial, memory for up to 100 loggers (option for up to 2000), USB connectivity. Operates from four alkaline AAA 1.5V batteries (not included)


Please note - Product designs and specifications are subject to change without notice. The user is responsible for determining the suitability of this product.

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Keison International Ltd. trading as:
Keison Products, VoIPon Solutions & 4Gon
keison VoIPon Solutions 4Gon