Owner manual
11
WiringtheEchoSonic®II
ThefollowingwiringdiagramcanbeusedwhenwiringtotheEchoSonic®II
relays.
TypicalWiringDiagram
YourWebCalWiringDiagrammayvary.
Generalnotesforelectricalconnections,usageandsafety:
Where personal safety or significant property damage can occur due to a spill, the
installationmust havearedundantbackupsafetysysteminstalled.
Wiringshouldalwaysbecompletedbya
licensedelectrician.
Supplyvoltageshouldneverexceed28VDC.
Protectthesensorfromexcessiveelectricalspikesbyisolatingthepower,whenever
possible.
Thesensormaterialsmustbechemicallycompatiblewiththeliquidstobemeasured.
Designafail‐safesystemforpossiblesensorand/orpowerfailure.
NeverusethesensorinenvironmentsclassifiedasHazardous.