FT-50 Vibronic Level Switch

FT-50 is designed for indentifying high and low level and output singal to prevent overfill or use indication of empty liquid in the tank by identifing interface between two different media through inline density measurement . It identify the density difference in liquid by resonance principal.

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The product

When the forks come in contact with a liquid, the resonant period are difference between the liquid and air, then the interface between the liquid and air will be detected and it output alarms.

Application

Providing indentifying Hi/Low level by measuring Interfaces between two different media and output alamrs.

Dimension

NO/NC Output Definition

Alarm Type	Status	Alarming status	Relay Status	Output
HiAlarm	In Liquid	Alarming	off	Alarming
	In Air	Alarming	on	Normal
	Fault	Alarming	off	Alarming
LowAlarm	In Liquid	Alarming	on	Normal
	In Air	No alarming	off	Alarming
	Fault	Alarming	Disconnect	Alarming

Model Selection

Technical Data

Principle	Measuring Type	Resonance
Principle	Measurement Deviation	1000Hz
Accuracy	Measuremetn Deviation	±1mm
	Delay	2mm
	Repeatability	0.1mm
Application	Density Range	500~1200 kg/m³
Application	Viscosity Range	0.1~1000Cts
Process condition	Process Temperature	-40℃～+150℃
	Ambient Temp.	-40℃～+70℃
	Pressure	1~50Bar
Signal Output	NO/NC	NO/NC Relay output;
Signal Output	Current	2-wire current（16A/8A）
Voltage	For Current output	DC 21V~25V
	For NO/NC output	DC 15V~32V
	For Instrisic Safety Type	DC24V~48V
Material	Wetted parts	SS 316L
Material	Casing	Aluminium alloy
Fork Length		Customized
Cable Entry		2*NPT 1/2
Flange		Min 2inch (Class 300, Class 150)
Hazardous and Safety Approval	Ingress protection	IP68
	Safety Function	SIL 2
	Intrinsic safety	Ex d ⅡC T6 Gb Ex ia ⅡC T6 Ga