1. Main Specifications| Product Identification | Two-position Output Liquid Level Sensor | | Application | Liquids | | Operating Voltage DC | 9.6...35 V | | Voltage Type | DC | | Electrical Design | PNP/NPN | | Number of Outputs | 2 |
2. Key Selling Points- High-Precision Continuous Level Measurement with FMCW Radar
Technology: The LI5134 is a non-contact level sensor utilizing Frequency-Modulated Continuous Wave (FMCW) radar technology. Compared to traditional pulse radar, FMCW provides a higher signal-to-noise ratio and measurement resolution through continuous frequency modulation. It enables sub-millimeter high-precision measurement, even for low dielectric constant media (such as LPG, liquid ammonia, and organic solvents), ensuring
reliable and stable data.
- Optimized Design for Small and Complex Tanks: Its compact structure and small antenna size (typically a horn antenna) make it ideal for small tanks, metering vessels, reactors, or space-constrained
installations. The precise microwave beam focusing effectively minimizes
interference from tank walls, agitators, heating coils, and other
internal structures, ensuring measurement accuracy in complex
applications.
- Exceptional Chemical Resistance and Robust Protection: The sensor housing and antenna are made of high-quality PPS (Polyphenylene Sulfide), offering excellent chemical resistance to various acids, alkalis, salts, and organic solvents. With
an IP68/IP69K protection rating, it is fully dustproof and resistant to high-pressure water jets,
high-temperature steam, and CIP/SIP
(Clean-in-Place/Sterilize-in-Place) processes, making it suitable
for harsh industrial and hygienic environments.
- Integrated IO-Link Interface for Full Digital Smart Communication: Equipped with an IO-Link 1.1 interface for bidirectional digital communication. In addition to
high-precision real-time level data, it provides complete echo curves, signal quality, device status, temperature
information, and comprehensive diagnostic functions. Supports remote parameterization, firmware updates, and
predictive maintenance, serving as a key component for Industrial
IoT (IIoT) and digital production.
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