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Vibration Type KVK/KVA/KVS/KVF Series

►Features
The vibration type level switch stably detects even substances with variations of the relative permittivity and electrical properties!
It detects even measured substances with variations of properties such as relative permittivity and moisture percentage. As it has a stainless steel integral construction, it has an excellent pressure-proof performance. It can detect granules with an apparent specific gravity of 0.03 or more. For the intrinsic safety explosion-proof (KVS) type, either a high-sensitivity rod or load bearing rod can be selected.

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►Operating Principles

The vibration rod is operated by the vibration element built in the sensing unit. When the rod touches the measured substance, the vibration is attenuated. This is detected electrically and the contact is output.

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►Standard Specification

Specification／Model	KVK type	KVA type
Power Source	105/210VAC ±10% 50/60Hz	105/210VAC ±10% 50/60Hz
Sensitivity	over 0.03 Specific Gravity	over 0.1 Specific Gravity
Output Contact	SPDT x 1	SPDT x 1
Contact Capacity	250VAC 10A 　30VDC 10A（Resistance load）	250VAC 10A 　30VDC 10A（Resistance load）
ON Delay	about 10sec max. variable	about 10sec max. variable
AMP temperature	-20～+60℃ 　（No condensation/ 　　no freezing）	-20～+60℃ 　（No condensation/ 　　no freezing）
Detector	-20～80℃（Integrated type）　-20～+150℃（Separate type）　（No condensation/ 　　no freezing）	-20～80℃（Integrated type）　-20～+150℃（Separate type）　（No condensation/ 　　no freezing）
Allowable Pressure	980kPa	980kPa
Process Connection	R1・1/2	R1・1/2
Enclosure Rating	IP-67	IP-67