1、 Product Overview

GKYWG-58 magnetostrictive liquid level gauge is a remote continuous liquid level measuring instrument designed based on the Villarreal effect, suitable for measuring liquid level and boundary position in open or closed containers. This level gauge has become an ideal choice for remote continuous measurement of liquid levels due to its high measurement accuracy and low maintenance rate.

Working principle: The trigger circuit of the transmitter excites a pulse current, which propagates along the magnetostrictive wire to generate a pulse current magnetic field. The sensor measuring rod is equipped with a magnetic float outside, which moves along the measuring rod as the liquid level changes. The float is equipped with a magnetic ring inside. When the pulse current magnetic field meets the magnetic field of the float magnetic ring, the magnetic field around the float changes, and the magnetostrictive wire generates a torsional wave pulse at the float's stationary position. This pulse is transmitted back to the transmitter at a fixed speed and detected by the detection circuit. The central processing unit calculates the time difference between the pulse current and the torsional wave pulse to determine the float position, which is the liquid level position. The transmitter analog-to-digital conversion circuit outputs 4-20mA or RS485 MODBUS signals to achieve remote transmission of liquid level signals.

　　2、 Product Features

Multi functional: It can simultaneously measure the liquid level, boundary position, single point temperature, and multi-point average temperature of the storage tank. The optional tank side display can achieve display under the tank and output to the control room.

Long lifespan: no moving parts, minimal maintenance.

High precision: simple operation, large range.

Easy installation: modular design, instrument with self checking function.

Low power consumption: Adopting a low-power design, the DC 5V instrument can work normally.

Chinese and English menus can be switched, intelligent menu.

Mechanical circuits can achieve data migration.

Diverse output signals: 4-20mA/HART, RS485 MODBUS optional, can be used for on-site indication or remote access to PLC or DCS systems.

Featuring anti-static, anti surge, anti-interference, and electromagnetic compatibility design.

Protection circuit: Reversing the power cord will not damage the circuit.

Multiple practical scenarios: capable of measuring multiple parameters such as crude oil, emulsion layer, water, and multi-point temperature in crude oil storage tanks.

　　3、 Typical applications

Petroleum industry: Finished oil storage tanks are equipped with a remote tank gauge and inventory management system, which combines magnetostrictive level gauges with system computers to form an ideal monitoring and management system.

Chemical industry: Meet the selection requirements of industrial storage tanks in the chemical industry.

Food industry, LPG/LNG, etc.: can meet the requirements of single or multiple measurement functions (liquid level, interface position, single point temperature, multi-point temperature, etc.).