SITRANS FX330
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SITRANS LR150
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SITRANS LR150 is a W-band FMCW radar sensor for level measurement of liquids, slurries, and solids up to 15 m. It features a compact, chemically resistant design with Bluetooth, HART, and optional HMI for easy on-site configuration.
Key Features
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Bluetooth connectivity for quick configuration via the SITRANS mobile IQ app on smartphones
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Optional local HMI with programming buttons and diagnostic display for on-site monitoring
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Fully sealed PVDF radar sensor offers excellent chemical resistance and long service life in corrosive environments
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Supports HART 7.0 communication, enabling easy integration into smart control systems
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W-band FMCW radar with a narrow beam and compact antenna—ideal for confined or obstructed installation sites
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Approved for outdoor, non-contact measurement, even without sealed tank environments
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High accuracy of ±2 mm, with zero near range, optimized for precision inventory monitoring
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Hazardous area version available (approval pending) for use in explosive gas or dust atmospheres
Typical Applications
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Level measurement in liquid tanks, sludge basins, or utility pits
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Measurement of solid materials such as plastic pellets, sand, cement, or minerals
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High-accuracy, non-contact inventory monitoring systems
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Installations in chemically active, dusty, or space-restricted environments
| Category | Specification |
| Mode of operation | |
| Measuring principle | W band FMCW radar |
| Measuring range | 0 … 15 m (0 … 49.2 ft) |
| Frequency | 80 GHz nominal |
| Beam angle | 8° |
| Power Supply | |
| HART | |
| • Voltage | 12 … 35 V DC |
| • Current | 4 … 20 mA |
| Communications | |
| 4 … 20 mA | HART 7.0 |
| Accuracy | ± 2 mm |
| Rated operating conditions | |
| Vessel pressure | -1 … +3 bar (14.50 … 43.51 psi g) |
| Ambient temperature | -40 … +70 °C (-40 … +158 °F) |
| Process temperature | -40 … +80 °C (-40 … +176 °F) |
| Storage temperature | -40 … +80 °C (-40 … +176 °F) |
| Design | |
| Weight | 0.5 kg (1.1 lb) |
| Material (sensor) | PVDF |
| Material (enclosure) | PBT |
| Process connection | 1-½” NPT, 1-½” BSPT, or 1-½” BSPP |
| Degree of protection | IP66/IP67 |
| Cable inlet | M20 or ½” NPT |
| Certificates and approvals | |
| General | CE, ATEX, IECEx, CFMUS, CCSAUS, EAC, NEPSI, FDA/EG 1935/2004 |
| Radio | CE, FCC, IC, Anatel, ICASA, NCC, KC, CITC, RCM, WPC, Telec, NBTC, MCMC |
| Water monitoring, flow | MCERTS Class 1 |
| Canadian Registration Number (CRN) | • British Columbia 0F22218.51
• Alberta 0F20596.2 • Saskatchewan 0F2002.3 • Manitoba 0F7032.4 • Ontario 0F22218.5 • Quebec 0F05183.6 • New Brunswick 0F1490.07 • Nova Scotia 0F1490.08 • Prince Edward Island 0F1490.09 • Newfoundland and Labrador 0F1490.0 • Yukon 0F1490.0Y • Northwest Territories 0F1490.0T • Nunavut 0F1490.0N |
| Programming | |
| SITRANS mobile IQ app | SITRANS mobile IQ is a Bluetooth app that provides an intuitive interface to quickly configure, set up and monitor SITRANS LR100 series. More info: siemens.com/mobileIQ |
| SIMATIC PDM | SIMATIC PDM allows for remote PC configuration and diagnostics (for installation on a network). |
| SITRANS DTM | – |
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