Nohken CG Series Capacitive Level Sensors

Nom du Produit: Nohken CG Series Capacitive Level Sensors
Marque: Nohken
Code Produit: CG Series
Mots-clés: Nohken CG Capacitive Sensors Nohken Series Sensors Nohken Capacitive Level CG Capacitive Level CG Series CG Series Capacitive Series Level Sensors CG Capacitive Level Nohken Capacitive Sensors Nohken Capacitive Level Sensors Series Sensors Capacitive Sensors Series Capacitive Series Sensors Nohken CG Level Sensors Series Capacitive Level CG Level CG Capacitive Sensors Nohken Sensors CG Series Sensors
Capacitive Level Sensors

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DÉTAILS DU PRODUIT

CG-1NH CG-2NH CG-1FH CG-2FHEasy programming by push buttonsMultifunctional with microcomputerFirst level switch to have status indicating LCDImproved buildup prevention performanceExtremely reliablePrinciple of OperationSet range is divided into 8 segments, and ON/OFF points are set for the segments. Hysteresis is also programmable.The basic oscillator circuit is of the parallel resonance circuit with L (coil) and C (capacitance between the electrodes).The oscillation frequency (f) of this circuit is : f = 1/2 ? ?LC.The frequency without material around the sensor (f1) is: f1 = 1/2 ? ?LC, where C is the capacitance without material around the sensor (zero point).With material around the sensor, the capacitance increases (C+?C), and the frequency (f2) is: f2 = 1/2 ? ?L(C+?C), where C+?C is the capacitance with material around the sensor (span point).The sensor detects the frequency change from f1 to f2, and actuates the relay. The frequency range is divided into 8 segments (between zero and span), and the set and reset points assigned on a desired segment, which means high limit, low limit and hysteresis can be programmed.