PRODUCT DESCRIPTION
SIEMENS 7ML1201-1FK00 - Radar Level Transmitter
The SIEMENS SITRANS LR120 is a compact 80 GHz Frequency Modulated Continuous Wave (FMCW) radar level transmitter engineered for continuous, non-contact level measurement of liquids and solids in industrial storage tanks, process vessels, and buffer applications. This device provides precise level data via a 4-20 mA HART output, integrating seamlessly into distributed control systems and programmable logic controllers for process automation and inventory management. Its robust design and advanced signal processing ensure reliable operation across diverse industrial environments.
Technical Specifications:
- SERIES/FAMILY: SITRANS LR120
- COMPONENT TYPE: Radar Level Transmitter
- ELECTRICAL SPECS:
- POWER SUPPLY: 2-wire, 12-30 VDC
- OUTPUT SIGNAL: 4-20 mA with HART 7 protocol
- MECHANICAL/PHYSICAL:
- MEASUREMENT PRINCIPLE: 80 GHz FMCW Radar
- MEASUREMENT RANGE: Up to 30 m (100 ft) for liquids, up to 15 m (50 ft) for solids
- ACCURACY: +/- 2 mm (0.08 inch)
- ANTENNA TYPE: Lens antenna
- ANTENNA MATERIAL: PVDF
- PROCESS CONNECTION: Flange (specific dimensions depend on regional standards, typically DN80 / 3 ANSI B16.5 Class 150 or EN 1092-1 PN16)
- HOUSING MATERIAL: Coated aluminum or plastic
- INTERFACE/CONTROL:
- COMMUNICATION PROTOCOL: HART 7
- LOCAL INTERFACE: Bluetooth for setup and diagnostics via SITRANS mobile app
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP66/IP68, NEMA Type 4X/6
- PROCESS TEMPERATURE: -40 to +80 °C (-40 to +176 °F)
- AMBIENT TEMPERATURE: -40 to +80 °C (-40 to +176 °F)
- PROCESS PRESSURE: Up to 3 bar (43.5 psi)
- MOUNTING STYLE: Top-mounted via process flange
- COMPATIBILITY/APPLICATION:
- TARGET MEDIA: Liquids, slurries, and solids
- TARGET SYSTEMS: Distributed Control Systems (DCS), Programmable Logic Controllers (PLC), SCADA systems
- APPLICATIONS: Storage tanks, process vessels, buffer tanks, sumps, open channels, inventory management, process control