From FlowMetrix web site:
The MLOG concept
The MLOG sensor is a low-cost, battery powered waterproof sensor, permanently installed near a water service meter.

MLOG sensors are installed by field crews, working from an installation plan developed with the MLOG software program. Installation can advantageously be performed on the same schedule as meter or Automatic Meter Reading (AMR)equipment.
MLOG Analysis
Every night each MLOG sensor records vibrations over a period of 4 hours. The recordings are processed to characterize evolving nighttime sound patterns over days and months. The processed patterns are stored in the memory and transmitted by radio on demand. MLOG PC software analyzes all available data from the entire distribution system and assigns each MLOG sensor a leak status.

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MLOG - Leak Detection System






