Product Name: Nohken CG Series Capacitive Level Sensors
Brand: Nohken
Product Code: CG Series
Tags: Nohken
Nohken CG
Nohken Series Capacitive Level Sensors
Nohken CG Series Level
Series Capacitive
Nohken CG Level
Nohken Series Sensors
Series Capacitive Sensors
Nohken CG Capacitive
Level Sensors
CG Series Capacitive
Nohken Level
Series
Nohken Capacitive Level
Nohken CG Series Capacitive Level Sensors
CG Sensors
Capacitive Sensors
Capacitive
Capacitive Level
Capacitive Level Sensors
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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.