SLDL7110 (hard tube type) magnetostrictive liquid level gaug

Working principle
 
When MagScan Magnetostrictive Liquid Level Meter works, the circuit part of the sensor stimulates the impulse current on the waveguide wire. The current transmits along the waveguide wire, and the pulse current magnetic field is generated around the waveguide wire. The sensor rod of the meter is equipped a float, which can move up and down along the measuring rod along with the change of the liquid level. There is a set of permanent magnetic rings inside the float, and the magnetic field around the float changes when the magnetic field of the pulse current is encountered with the magnetic ring magnetic field generated by the float. Thus the waveguide wire made of magnetostrictive materials generates a torsional wave pulse in the position of the float. The pulse is transmitted back at a fixed speed along the waveguide wire and detected by a circuit. The position of the float (liquid level) is determined by measuring the time difference between the impulse current and the torsional wave.
 
Product Features

Model	SLDL7120 (flexible hose type)
Accuracy of oil level measurement	±0.5mm
Accuracy of water level measurement	<0.5mm
Accuracy of temperature measurement	<±0.2°c
Accuracy of boundary measurement	±1mm
High resolution	±0.01mm
Measuring range	0~20m
Measuring points	RTD 5 points oil temperature measurement and  volume temperature compensation
Operating temperature range	-40°c~60°c
Maximum transmission distance of  probe signal	305m
Oil and gas safety	The floating disc seals better, reduces the  volatilization loss, the leak detection function is  available.
Electrical safety	Power supply 24V, Ex d (ia) II C T6 certificate,  Lightning and surge protection design
Installation method	Unclear tank installation, the installation at the  dome by a light hole
Signal output	HART, Modbus, Profibus PA, Foundation Fieldbus ,  GPRS/CDMA remote, Bluetooth, etc.