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 Level Measurement Based on FMCW Technology: The LI5133 is a non-contact level sensor utilizing Frequency-Modulated Continuous Wave (FMCW) radar technology. Compared to traditional pulse radar, FMCW offers higher signal-to-noise ratio and measurement accuracy, enabling stable and reliable measurements even in challenging
conditions such as low dielectric media, foam, vapor, or
condensation.
- Designed for Small Tanks and Complex Applications: Its compact design and small antenna size make it particularly suitable for small tanks, silos, or installations with limited space. Even when mounted close to tank walls or in the presence of
internal obstructions (e.g., agitators, heating coils), its precise
beam focusing minimizes interference and ensures measurement
accuracy.
- Excellent Chemical Resistance and High Protection Rating: The sensor housing and antenna are made of high-quality PPS (Polyphenylene Sulfide), offering outstanding chemical resistance to various acids, alkalis, and organic solvents. With
an IP68/IP69K protection rating, it is fully dustproof and resistant to high-pressure water jets
and high-temperature steam sterilization, making it suitable for
CIP/SIP cleaning processes.
- Smart Diagnostics and IO-Link Digital Communication: Equipped with an IO-Link 1.1 interface for bidirectional digital communication. In addition to
precise level values, it provides signal quality, echo curve, device status, and comprehensive
diagnostic data. Supports remote parameterization, firmware updates, and
predictive maintenance, simplifying system integration and
commissioning.
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