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Applications - Conductivity

Below are some simple diagrams to show the potential uses of Conductivity Level controls.

Conductivity 1

Control of 1 pump/valve between 2 levels fixed by length of electrodes

Conductivity 2

DUOLARM high and low level alarms in one control unit

Conductivity 3

Control of 1 pump/valve between 2 levels fixed by electrode lengths using multi holder

Conductivity 4

Control of 2 pumps/valves fixed by electrode lengths. Filling mode using dual controller type AC3/HH

Conductivity 5

Control of 2 pumps/valves at levels fixed by electrode lengths. Emptying mode using dual controller type AC3/LL

Conductivity 6

Control of 1 pump and 1 high level alarm at levels fixed by electrode lengths using dual controller type AC3/LH

Conductivity 7

Control of 2 pumps/valves between 2 levels fixed by electrode lengths. With facility to change the starting order every cycle

Conductivity 8

Control of 1 pump/valve between 2 levels fixed by electrode length. This unit is c/w motor starter unit, type AC Plus

Borehole pump controlled from electrodes in break tank. Low level protection for borehole pump from electrodes suspended in borehole, stopping on lower electrode and starting when water level recovers to higher level

Conductivity 10

Arrangement when break tank is remote

Control of 2 levels in borehole fixed by suspended borehole electrode. Pump controlled by level in Remote break tank.

Borehole pump stops on high pressure restarts when ball valve re-opens after suitable time delay.

Time clocks can be incorporated in these systems to limit pump running to low tariffs.