Magnetostrictive Level Transmitter, Contactless, 4-20mA

ATO magnetostrictive level sensor is a reliable solution for liquid level measurement. It covers a measuring range of 300-1000mm, combined with high precision of ±0.008%FS and low temperature drift of <0.007%FS/℃, ensuring stable and reliable data. Non-contact liquid level sensor has an IP67 protection rating, and with durable materials such as a stainless steel measuring rod and an aluminum alloy electronic chamber, it effectively extends the service life. Optional standard/corrosion-resistant floats are more suitable for different medium requirements. Magnetostrictive level transmitter is powered by 24VDC, features 4-20mA signal output, and has a fast update rate of 0.5ms, which can be widely used in various scenarios such as storage tank liquid level control, water treatment, irrigation, etc.

Specification

Features

• Precise and stable measurement performance: Accuracy up to ±0.008% FS, temperature drift < 0.007% FS/℃, analog signal with 0.5ms fast update, providing real-time feedback of liquid level data.
• Durable and reliable: Non-contact design + IP67 protection, combined with 316 stainless steel measuring rod and aluminum alloy electronic chamber, oil-resistant, anti-fouling, and pressure-resistant ≤34MPa, suitable for harsh working conditions.
• Multi-scenario adaptation: The range of the magnetostrictive level sensor covers 300-1000mm, supports optional regular/corrosion-resistant floating balls, and is compatible with multiple scenarios such as storage tank control and water treatment.
• Convenient and practical: Liquid level sensor adopts 24VDC wide-range power supply, 4-20mA standard output, using M18×1.5 thread installation + direct cable, making deployment and operation simple.

Dimension (Unit: mm)

Installation Diagram

Working Principle

Application

Tips: Why Do Magnetostrictive Level Sensor Perform Better in Liquid Level Monitoring?

In scenarios such as industrial production, water treatment, and warehouse management that require accurate liquid level monitoring, choosing a reliable liquid level measurement device is directly related to process stability and management efficiency. The reason why magnetostrictive level transmitters have become a preferred choice for many scenarios lies in their ability to address common pain points of ordinary measurement solutions—and this is backed by their unique and reliable working principle.

To put it simply, its operating logic is easy to understand: The device contains a thin, long waveguide wire inside, paired with a magnetic ring that floats with the liquid level. When the device sends out a current pulse, it forms a magnetic field along the waveguide wire; when this magnetic field meets the magnetic field of the floating magnetic ring, it generates a type of mechanical wave (torsional wave) that travels back to the device’s probe. By calculating the time difference between the emission of the current pulse and the reception of the mechanical wave, the device can accurately determine the position of the magnetic ring, and thus the liquid level height. The entire process involves no complex mechanical friction and is rarely affected by external environmental interference.

It is precisely this special working principle that endows it with advantages unmatched by ordinary liquid level sensors. Magnetostrictive level sensor, with its time-difference-based measurement logic, inherently boasts high precision and can effectively resist external influences such as temperature fluctuations and medium disturbances, ensuring long-term stable and reliable liquid level data. Beyond that, the non-contact measurement method also significantly enhances its applicability and durability.