Siemens SITRANS LR250 PVDF Probe Antenna Radar Level Transmitter for Liquids and Slurries

Prices starting at:
$2,121.00
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SKU
7ML5431-4

Two-wire 25 GHz pulse radar level transmitter for continuous level monitoring of liquids and slurries in ranges up to 33 or 66 feet (10 or 20 meters). 19° beam angle. Insulated, threaded PVDF probe antenna. 4-20 mA output plus HART communications standard. Good for process temperatures to 176°F (80°C), pressures to 72 PSIG, and media with dielectric constant greater than 3 when installed directly in a tank, or greater than 1.6 when used in a stilling pipe.

Siemens SITRANS LR250 with a threaded PVDF antenna is a two-wire, 25 GHz radar level transmitter for continuous monitoring of liquids and slurries in storage and process vessels. Its integral display with a graphical user interface and Quick Start Wizard make configuration and operation simple. It also displays echo profiles for easy diagnostic support.

  • Key applications include liquid bulk storage tanks, process vessels with agitators, vaporous liquids, corrosive and aggressive materials, and applications requiring functional safety
  • Ideal for small storage tanks or vessels with temperatures to 176°F or pressures to 72 PSIG
  • Two-wire 25 GHz pulse radar level transmitter
  • Good for continuous monitoring from 2 inches to 33 feet (10 meters) when installed directly in a tank or vessel, 66 feet (20 meters) when installed in a stilling pipe
  • 19° beam angle
  • Good for liquids or slurries with dielectric constant greater than 1.6 when installed in a stilling pipe, or dielectric greater than 3 when installed directly in a small tank or vessel
  • Process Intelligence signal processing for improved measurement reliability and Auto False Echo Suppression for fixed obstructions
  • Program using Siemens' infrared intrinsically safe handheld programmer, SIMATIC PDM software and a PC, or HART handheld programmer
  • Startup with as few as two parameters for basic operation
  • NEMA 4X/NEMA 6/IP67/IP68 rated aluminum enclosure, threaded insulated PVDF antenna
  • CE, CSA, FM, ATEX approvals available
  • Available with SIL2 Functional Safety certificate for use in accordance with IEC 61508 and IEC 61511
  • LR250 is also available with a stainless steel horn antenna, flanged encapsulated antenna for harsh or corrosive applications, or an antenna specifically for hygienic applications

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Model Selection Guide

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Make one choice from each table section. A complete catalog number will look like this: 7ML5431-_ _ _ _0-_ _ _ _.

Description Catalog
Number
SITRANS LR250 Two-Wire 25GHz Pulse Radar Level Transmitter 7ML5431-
Wetted Parts PVDF Antenna and 2" NPT Threaded PVDF Process Connection  4PA _ _-
Communication 4-20 mA, HART® (Startup at <3.6 mA)
PROFIBUS PA
_ _ _20-
_ _ _10-
Enclosure Epoxy-Painted Aluminum with Two 1/2" NPT Inlets 0_ _ _
Antenna 2" Threaded PVDF Antenna
_ R _ _
Approvals General Purpose CE, CSA, FM, FCC
Intrinsically Safe CSA.FM, FCC  [2]
Non-Incendive CSA/FM, FCC
Explosion Proof FM
_ _ A _
_ _ B _
_ _ D _
_ _ H _
Pressure Rating per Pressure/Temperature Curves _ _ _ 2
SIL2 [4] Functional Safety, SIL 2 Compliance Cert ,Z-C20
Accessories Intrinsically Safe Handheld Programmer
USB HART Modem for Use with PC and SIMATIC PDM
7ML1930-1BK
7MF4997-1DB

Notes:

[2] Intrinsic safety barrier required.
[4] For HART models with general purpose or intrinsically safe approvals only.

More Information
HART Yes
SIL-Rated Yes
Point or Continuous Level Continuous
Level Media Liquid, Slurry
Level Technology Radar
Measuring Range 2 Inches to 33 or 66 Feet (0.05 to 10 or 20 Meters)
Wetted Materials Polvinylidene Fluoride (PVDF)

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