Using software to monitor the network is essential.

You want to know if:

  • there is something going wrong on the network based on unusual patterns of activity (i.e. in addition to simple threshold alarming)
  • there is any notable transient activity, its magnitude and how often it is occurring
  • alarm thresholds remain appropriate so they don’t alarm when it’s not necessary and so they don’t miss anything important
  • an asset requires maintenance (a battery needs changing, a PRV needs servicing, etc.)

Let’s say you have someone check these four things once a day.  In reality you might want to check if there’s something wrong every 15 minutes, and check alarm thresholds once a week, but let’s keep it simple.

To check them requires an analyst to review a graph, do some calculations on the data, draw a conclusion and communicate their findings.  We’ll be generous and say this can be done in 5 minutes for each logger.

So, every day of the year, 4 parameters are checked for each logger.  That’s 365 days x 4 parameters x 5 minutes = 120 man hours per logger per year.

Assuming that an analyst works 220 8 hour days in a year:


Number of loggers

Analysts required
















The largest analyst team we’re aware of in a water company isn’t big enough to review the data in this way for more than a few hundred loggers.  But they’re expecting to end up with nearer 10,000 loggers.

What this shows is that fix on fail and maintain on a time/risk basis have been the only realistic options.

Until now.  iNet from i2O performs all these functions and more, maximising the return on your investment in logging hardware.


Tags: Blog, Industry Challenges, LATAM, Europe, Africa, Data Analytics, Security, UK, Asia Pacific, General, i2O, North America, Middle East

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