| Hydreka has developed equipment designed to monitor
drinking water networks.
In 2000 Hydreka incorporated Metravib Fluide and at the same time became
part of the halma Group. The Water Services Division of the Halma Group
includes Palmer Environmental, Radcom Technologies and Fluid
Conservation System. The following list highlights some important dates
within the company's history.
- 1979 : Metravib DF02, a worldwilde benchmark in acoustic
correlation
- 1984 : DF Junior, electronic acoustic detector
- 1989 : AQUALOG® 50 noise logger by RETEN acoustic, METRASCAN and PERMALOG
forerunner
- 2000 : PERMALOG, noise logger with radio transmission
- 2002 : Microcorr Digital, the first 100% digital correlator (Palmer)
- 2003 : SoundSens correlator, multi-point correlation by RADCOM
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