(+91) 72198 97073
Liquiphant FTL51B – Level Sensors
Features:
✅ Reliable vibrating fork technology
✅ SIL2/3 certified for safety-critical applications
✅ Heartbeat Technology for diagnostics & monitoring
✅ HART, Bluetooth®, IO-Link communication
✅ No calibration or adjustment needed
✅ IIoT-ready with Netilion support
✅ Robust 316L stainless steel construction
The Liquiphant FTL51B is a smart vibrating fork level switch for reliable point level detection in liquids. It operates independently of media properties, requires no calibration, and is ideal for safety-critical applications with SIL2/3 certification. With digital communication (HART, IO-Link, Bluetooth®) and Heartbeat Technology, it ensures efficient diagnostics and predictive maintenance.
Designed specifically for the process industry, the Liquiphant FTL51B is intended for direct use in SIL2 and SIL3 applications. Using an easy-to-use wizard, you do periodic proof tests in accordance with SIL or WHG mobile. You are provided with automated documentation at the conclusion. Changes in medium characteristics, flow, turbulence, gas bubbles, foam, vibrations, or buildup have no effect on Liquiphant’s accurate measurement. The gadget is user-friendly, provides real-time data, and has a digital link.
The Liquiphant FTL51B is a robust, digital vibrating fork level switch designed for reliable point level detection of liquids in all industries. With its safety-oriented design, IIoT capabilities, and no need for calibration, the FTL51B ensures safe and maintenance-free operation for tank overfill protection and pump dry-run protection. It is especially suited for safety-critical applications (SIL2/3 certified) and provides advanced self-monitoring and diagnostics via Heartbeat Technology.
Technical Data
Endress+Hauser Liquiphant FTL51B
🔹 Liquiphant FTL51B
▾
Measuring Principle Vibrating fork (tuning fork) Device Type Point level switch for liquids Minimum Media Density ≥ 0.5 g/cm³ Process Temperature –50 °C to +150 °C Process Pressure –1 to +64 bar Fork Lengths 40 mm to 1,000 mm Output Options 2-wire (NAMUR, 4...20 mA), 3-wire (PNP), Relay, HART, IO-Link, Bluetooth® Process Connections Threaded (G/NPT), Flanged (DIN/ANSI), Hygienic (Tri-Clamp, Varivent®, etc.) Housing Material 316L stainless steel, aluminum, plastic Wetted Materials 316L, Alloy C22 (depending on variant) Ingress Protection IP66/67/68, NEMA 4X, Type 6P Ambient Temperature –50 °C to +85 °C Communication Protocols HART, IO-Link, Bluetooth® (via SmartBlue App) Functional Safety SIL2/3 certified per IEC 61508 Self-Diagnostics Heartbeat Technology – status, proof test, and monitoring Hazardous Area Approvals ATEX, IECEx, FM, CSA, NEPSI
Application
- Overfill protection in tanks and vessels
- Pump protection (dry-run prevention)
- Liquid level detection in storage and process tanks
- Suitable for aggressive, viscous, and clean-in-place (CIP/SIP) media
- Chemical, oil & gas, food & beverage, pharmaceutical, and water industries
- Use in safety-critical processes (SIL2/3 loops)
- Hygienic applications with hygienic process connections (EHEDG, 3-A approved versions)
Downloads
Technical Datasheets: Liquiphant FTL51B – digital, simple and safe
Supply & Shipping Details
Related products
Allen-Bradley PanelView Plus HMIs
Features:
✅ Wide range of display sizes from 4" to 19"
✅ Resistive or capacitive touchscreen options
✅ High-performance CPU and memory for faster processing
✅ Integrated FactoryTalk® View ME support
✅ Remote access via VNC connectivity
✅ Aluminum or stainless steel bezels
✅ IP65/NEMA 4X front panel protection rating
The PanelView Plus series enables users to interact efficiently with their machines and processes, ensuring improved productivity, faster troubleshooting, and robust system performance across diverse industries.
Baumer Photoelectric Sensors
Features:
✅ Versatile Sensing Principles
✅ Long Sensing Ranges
✅ Compact, Rugged Housings
✅ Advanced Light Sources
✅ Wide Operating Temperature
These features make Baumer Photoelectric Sensors ideal for applications like conveyor automation, robotic alignment, presence detection in packaging, transparent object sensing, and industrial counting or inspection.
Mitsubishi FX Series
Features:
✅ Packaging machines
✅ Food & beverage automation
✅ HVAC & building automation
✅ Material handling systems
✅ OEM equipment control
✅ Water treatment systems
✅ Energy management systems
The Mitsubishi FX Series is a family of compact and cost-effective programmable logic controllers (PLCs) designed to deliver fast, reliable, and flexible automation control for small to medium-scale applications. Recognized globally for its durability and performance, the FX Series combines ease of use with advanced functionality, making it one of the most widely used PLC families in industrial automation.
Mitsubishi Servo Motors & Drives – MELSERVO Series
Features:
✅ 1.6 kHz high-speed frequency response
✅ 22-bit absolute encoder (4 million pulses/rev)
✅ Auto-tuning for quick setup
✅ Built-in vibration suppression
✅ Supports SSCNET III/H, EtherCAT, CC-Link IE TSN
✅ Regenerative energy utilization
✅ Compact, panel-friendly design
Mitsubishi Electric delivers a comprehensive range of servo motors — including rotary, linear, and direct drive types — designed to achieve exceptional machine performance, precision, and flexibility across diverse industrial applications.
Omron CP1E
Features:
✅ High-speed processing with real-time performance
✅ Integrated motion and logic control
✅ Modular expansion and communication flexibility
✅ Scalable solutions for both basic and advanced applications
✅ Ready for Industry 4.0 and IIoT environments
The Omron CP1E series is a compact and cost-effective programmable logic controller designed for basic machine automation. It combines the functionality of a small PLC with the flexibility of I/O expansion and built-in control features, making it ideal for OEMs and general-purpose control systems.
Available in three model types—E-type, N-type, and NA-type—the CP1E offers multiple I/O configurations, support for analog control, and communication options like USB and RS-232C. With fast processing, built-in pulse outputs, and expandability, it provides reliable performance in space-constrained applications.
Omron NX1P
Features:
✅ High-speed CPU with fast 0.5 ms cycle time
✅ Built-in EtherCAT master for up to 4-axis motion control
✅ Large program (1.5 MB) and data memory (512 KB)
✅ Integrated logic, motion, and information control
✅ Scalable I/O system with NX-series slice I/O
✅ Ethernet/IP, EtherCAT, and USB connectivity
✅ Supports IoT and Industry 4.0-ready automation
The NX1P series is a high-performance PLC with integrated motion control, real-time communication, and scalable I/O. It is designed for high-speed machines and applications that require IoT connectivity and compact design.
Schneider Modicon M340
Features:
✅ Built-in field bus and/or Ethernet communication design
✅ SD-card for application recovery or firmware upgrade
✅ Easily design your process or application with scalable topology
✅ Modicon M340 design complies with automation standards
✅ Shares common X80 modules with Modicon family products
The Modicon M340 is a mid-range Programmable Automation Controller (PAC) designed for industrial process, infrastructure, and discrete control applications. It combines compact modularity with powerful performance and integrated fieldbus/Ethernet connectivity for plug-and-play deployment and fast commissioning
WIKA Temperature Sensors – RTDs & Thermocouples
Features:
✅ Wide Range :RTD: -200°C to +600°C , Thermocouple: -200°C to +1,800°C
✅ High Accuracy: RTD: Class A & B (IEC 60751) , TC: ANSI/IEC standard compliance
✅ Flexible Construction: Spring-loaded, sheath-type, MI designs , Options: thermowells, heads, cables
✅ Wide portfolio
✅ High measurement accuracy and long service life
✅ Low susceptibility to interference and thus high process reliability
Thermocouple-equipped temperature probes are perfect for measuring temperatures as high as +1,700 °C. They are made up of two distinct metals that are connected to create a thermocouple.