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Product news
03.04.2013  |  15381x
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Against Overfilling

Capacitive Level Limit Switch for bulks

Capacitive liquid level monitors type NSC of KOBOLD Messring GmbH, Hofheim, offer protection against overfilling of bulk solids. Monitoring of minimum level is also possible at low levels and with light media with low medium density. Different solids e.g. cement, sand, flint or also animal feed can be monitored.

The tested measuring system is based on properties of a capacitor. Hereby the level monitor metallic electrode and metallic tank wall assume the tasks of condenser plates. When room between these two plates is filled by a medium, voltage potential changes. Voltage change (very reliably) signalises excess and undercut of limit value. Switching point is determined by position of probe head.

Two different device versions enable optimum positioning of the probe head in respective applications. Probe length can be individually chosen corresponding to respective maximum level switching point.With PTFE-coated rigid probe, the model NSC-R. Thereby a maximum of 3000 mm is possible with vertical assembly. Cable probe NSC-C is installed from top and with a length of 15 m it is also applicable for large vessels. The polypropylene coated cable can be individually shortened to required length by the customer.

These very rugged and reliable measuring instruments operate without movable parts and therefore are almost wear-free. They can be adjusted to the particular measuring task with the pluggable module by DIP switches and potentiometer. Probes are designed such that crustification in the vicinity of tank aperture does not lead to error messages. They are suitable for operation in dust-ex-zones and available with approval according to ATEX II 1/2 D (EExia IIA).

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PORTALS
BulkSolids-Portal Schuettgut-Portal Recycling-Portal
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