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= Measurement of consumption =
Measurement is the only way to drive continuous improvement, and find leakage problems

== Power ==
 * Home power Owl units:  in South Africa by [[http://www.theowl.co.za/|Radiant]] and international [[http://www.theowl.com/|TheOWL]] with manuals.
   * Local copy:     [[attachment:OWL_CM119_userguide.pdf]] [[attachment:OWL_cm119_quickstart.pdf]]
 * [[http://www.delportdupreez.co.za/html/html/dpa_twana.htm|CITY OF TSHWANE METROPOLITAN MUNICIPALITY]]

 * http://www.resol.de  centralized monitoring, internet graphing.

== Temperature ==
 * [[linux/Pi3]] temperature measurement
   * Multiple temperature sensors daisy-chained on a 3 wire conductor.  Using [[https://wiki.vigor.nz/particle.io/ds1820|DS1820]] digital sensors.

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