Level Instrumentation > Transmitters > Siemens SITRANS LR200


Due to our territory agreement with Siemens, Lesman is the authorized Siemens sales representative in Illinois, Indiana, Wisconsin, Eastern Missouri, Michigan's Upper Peninsula, and the Paducah, KY area. If you are outside that area, you can find your local sales office or get technical assistance by calling 800-365-8766 or 972-522-4500, or sending an email to piabusales.industry@siemens.com.

Siemens SITRANS LR200 Two-Wire Loop-Powered Radar Level System

Siemens' SITRANS LR200 is a cost-effective level measurement solution for liquid bulk storage or simple process vessels in chemical plants and tank farms. Its  hermetically sealed Uni-Construction polypropylene rod antenna offers excellent chemical resistance. The antenna features an internal, integrated shield that eliminates vessel nozzle interference. SITRANS LR200 features Siemens patented Process Intelligence signal-processing technology for superior reliability.

SITRANS LR200’s unique design allows safe and simple programming using the Intrinsically Safe handheld programmer without having to open the instrument’s lid. Installation is simplified as the electronics are mounted on a rotating head that swivels, so you can line up the instrument with conduit or wiring connections or adjust the position for easy viewing.

Need a radar level system with a plastic housing that will stand up to chemicals? See the Siemens SITRANS Probe LR.

Key Specifications

  • Two-Wire, Loop-Powered Pulse Radar Unit for Liquid Bulk Storage and Simple Process Vessels
  • Patented Sonic Intelligence Signal Processing Automatically Detects Obstructions
  • Program Using Infrared Intrinsically Safe Handheld Programmer, SIMATIC PDM Software, or HART Handheld Programmer
  • Extremely High Signal-to-Noise Ratio
  • Uni-Construction Polypropylene Rod Antenna Standard

Specifications, Manuals, and Supporting Literature

Model Selection Guide

Use this table to find the right model for your application.  Don't see the option you need? Call a Lesman sales specialist at 800-953-7626

SITRANS LR200 Uni-Construction Rod Antenna
A complete catalog number will look like this: 7ML5422-_ _ _ _0

Description Catalog
Sitrans LR200 Uni-Construction PP Rod Antenna  7ML5422-
   Integral 100 mm Shield, 1.5" NPT
2A_ _ _
Approvals [3] FM General Purpose
FM Class I, II, III, Div 1 Grps A–G, Intrinsically Safe
FM Class I, Div 2, Grps A–D
FM Class I, II, III, Div 1, Grps A–G
_ _B_ _
_ _D_ _
_ _F_ _
_ _J_ _
Output HART Communications and 4-20 mA _ _ _30

SITRANS LR200 Rod Antenna, Flange Connection
A complete catalog number will look like this: 7ML5423-_ _ _ _0

Description Catalog
Sitrans LR200 Flange Adapter, PTFE Teflon Rod Antenna  7ML5423-
(316 SS)
2" ANSI 150 LB, FF Flange
3" ANSI 150 LB, FF Flange
4" ANSI 150 LB, FF Flange
1.5" NPT Threaded
2" Threaded
1FB_ _-
1GB_ _-
1HB_ _-
1LA_ _-
1MA_ _-
50 mm PTFE Extension
100 mm PTFE Extension
100 mm 316 SS Shield [1]
150 mm 316 SS Shield [1]
200 mm 316 SS Shield [1]
250 mm 316 SS Shield [1]
_ _ _0_-
_ _ _1_-
_ _ _2_-
_ _ _3_-
_ _ _4_-
_ _ _5_-
_ _ _6_-
Integral Gasket [2]
FKM O-Ring [2]
_ _ _ _0-
_ _ _ _1-
Output HART Communications and 4-20 mA 2C_ _
Approvals [3] FM General Purpose
FM/IS: Class I, II, Div 1, Grps A–G
FM Class I Div 2, Grps A–D
FM Class I, II, III, Div 1, Grps A–G
_ _B_
_ _D_
_ _F_
_ _J_
Per Pressure/Temperature Curves in Manual
0.5 bar (7.5 PSI) Maximum
_ _ _0
_ _ _1
Also available with horn antenna and 300# flanges. Call for details.


[1] Requires flange connection larger than 2", threaded connection larger than 1.5"
[2] For flanged connections only. FKM O-ring for threaded connections or shielded antenna extension models.
[3] All approvals include radio FCC 6.3 GHz; Unit only rated FM intrinsically safe when used with a suitable barrier.


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