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10. SVF Vibrating Folk Type Level Switch
Vibrating Folk Type Level Switch
The tuning fork type vibration probe of new SVF series is
using the driven piezoelectric crystal cell and the response
piezoelectric crystal cell at tip end of tuning fork. When
the driven piezoelectric crystal cell is energized, the driven
piezoelectric crystal cell and response piezoelectric crystal
cell are attacked and repulsed. This movement makes
vibration. The construction of tuning fork type vibration
probe is similar to the motor. When the motor is energized
by the battery, the back electromotive current is generated
by the influence of response piezoelectric crystal cell and
coil. When the tuning fork type vibration probe is covered
with all kinds of liquid, solids or powdered material, the
current flowing to the lead wire is increased by damping of
the back electromotive current. The amplifier detects the
shifting of current level, and converts to output signal.
-25 ~ +60℃ Std. / -25 ~150℃ (Option)
Operating Pressure 20 Bar(SVF-200/300) / 5 Bar (SVF-400)
Relay Output
1 DPDT Relay (Resistive Load) 5A @ 250 Vac, 30 Vdc
Power
Supply 85 ~264 VAC 50/60 Hz.
Consumption 5W
Application
Measures Sensitivity
Liquid density : Min 0.8 g/cm3
Bulk Weight : Min. 100 g/l ( 0.1 g/cm³)
Particle Size Limit Max. 10mm
Probe End Static Load 1.25kN. Std N.A (Top Mount)
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