Conductivity Level Switches

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Manufacturer: Omega(USA)

Model: LVCN-200 Series

Introduction: 

         OMEGA’s conductivity level switches offer a wide range of customized options to meet any application’s needs. They are designed to control the level of all conductive mediums, offering up to 5 different points of level control. Models are available with fixed rigid rods, with removable rigid rods, or with pendular electrodes attached to the housing with cables. These switches suit applications involving both alarm point detection and on/off pump valve control. Installation is easy and operation is maintenance-free.

      The probes work through the variation of the electrical resistance between the reference electrode and the level-control electrode. Conductivity level switches detect the level resistance when their electrodes are covered by the medium.

      An electrically conductive tank wall can be used as the reference electrode. If the tank is made of plastic, concrete, or any other nonconductive material, an additional electrode is required as a reference.

      LVCN-200 Series conductive liquid on/off level controllers are used to power all level probes. The LVCN- 200 models are electronically controlled devices that open and close an electrical contact to effect the operation of other devices in the same, or another, electrical circuit.

      The LVCN-201/202 models can control the differential of minimum and maximum level, with an adjustment for sensitivity. The relay has 1 reverse SPDT contact.

      The LVCN-203/204 models control 2 independent levels and 2 reverse SPDT contacts. They also include a sensitivity adjustment.

       The LVCN-200 Series is designed so that multiple units can be used in combination to provide a variety of control functions, including multiple alarms and on/off control for alternating pumps.

       Both models are available with DIN rail sockets or with screws.

Specifications: 

Power Supply for LVCN-201 and LVCN-203: 24 Vdc ±10%
Power Supply for LVCN-202 and LVCN-204: 115 Vac (50/60 Hz)
Power Supply for LVCN-202-230VAC and LVCN-204-230VAC: 230 Vac
Current Consumption: Max 3 VA
Adjustment: Potentiometer switch point
Range of Sensitivity: 0.1 to 50 kΩ
Output: 5 A SPDT relay (250 Vac max)

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