Made In The U.S.A. Since 1938

Lumenite Control Technology, Inc.

Engineers • Designers • Manufacturers

        Conductivity is a measure of the ability of a given substance to

conduct electric current,  equal to the reciprocal of the resistance of a

substance.  This medium is the most widespread and popular way of

measuring the level of liquid in a tank.  Our liquid level controls can sense

a multitude of different liquids.  (e.g. R.O. water,  beer,  acids,  wine,

milk,  cheeses,  cream,  pharmaceutical products,  salt water, etc.).


        Lumenite® conductivity level controls come in various mounting

methods,  sizes and relay configurations and they can be used for

sanitary and industrial applications both indoors and outdoors.

Lumenite® level controls are listed UL-353 (intrinsically safe) as primary

safety devices which are perfect boiler level control or low  water cut off

and explosive,  volatile environments.

What Is Conductivity?

Model Prefix W : Series 201 Octal Socket Mount Standard Operations


•  one relay for 1 single on / off switch

•  1 filling / emptying operation

Model Prefix W : Series 201, 401 & 601 Din-Rail Mount Standard Operations


•  201 - one relay for 1 single on/off switch or 1 filling / emptying operation

•  401 - two relays for 2 single on / off switches OR 1 filling / emptying operation with

   1 on / off switch OR 2 filling / emptying operations in separate tanks

•  601 - three relays for 3 single on / off switches OR 1 filling / emptying operation with

   2 on / off switches OR 3 filling / emptying operations in tseparate tanks

Model Prefix W : Series 201, 401 & 601 3" Snap Track Mount Standard Operations


•  201 - one relay for 1 single on/off switch or 1 filling / emptying operation

•  401 - two relays for 2 single on / off switches OR 1 filling / emptying operation with

   1 on / off switch OR 2 filling / emptying operations in separate tanks

•  601 - three relays for 3 single on / off switches OR 1 filling / emptying operation with

   2 on / off switches OR 3 filling / emptying operations in tseparate tanks

Model Prefix F Stand Alone Customizable


The Industrialeveline™ series can be customized to your particular application making it a

stand alone solution for any level control application.