HANNOVER MESSE 2019, 01 - 05 April
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Conductive Level Limit Switches KOBOLD Typ NES

Logo KOBOLD Messring


KOBOLD Messring

Exhibitor details
Exhibitor details
Logo Conductive Level Limit Switches KOBOLD Typ NES

Product description

KOBOLD limit switches of model NES are used for level
monitoring and pump control of conductive liquids. The design
without any moving parts allows service with critical
media with, for example, solid content, negligible density or
high viscosity. The instruments operate on the conductive
principle. A low a.c. voltage is applied between the con -
ductive wall of the tank or the earth electrode (longest
electrode) and a switching point electrode. If the conductive
medium touches the electrodes, a negligible alternating
current flows across the electrodes and the conductive
medium to the electrode relay. The relay amplifies the alternating
current and operates an relay or a pump controller. An
electrode relay of type NE-104 is required per switch point
for signalling. For min./max. control two switching point
electrodes must be connected to the relay. Relay NE-304
operates as two single relays (NE-104).

Hall 11, Stand C35

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