Guided Wave Radar

Guided Wave Radar

SITRANS LG series, which are guided wave radar transmitters designed for level, level/interface, and volume measurement of both liquids and solids. These transmitters are known for being unaffected by changes in process conditions, high temperatures and pressures, and steam, making them quite versatile. With four different models available, they can cater to various applications, offering different levels of performance and functionality

SIEMENS SITRANS LG Series Guided Wave Radar (Level)

The SITRANS LG series comprises guided wave radar transmitters designed for level, level/interface, and volume measurement of both liquids and solids. They are highly resilient, remaining unaffected by variations in process conditions, high temperatures and pressures, as well as steam. With four distinct models available, the SITRANS LG series offers versatility to cater to different applications, performance levels, and required functionalities.

Catalog Sheet SITRANS LG Series

Operating Instructions SITRANS LG - Electronics Module

Operating Instructions SITRANS LG USB Communicator

Operating Instructions SITRANS LG Local Display Interface

Operating Instructions SITRANS LG Remote Interface

Supplementary Instructions SITRANS LG series - Centering

Supplementary Instructions SITRANS LG series - Rod and Cable components

SITRANS LG240 Operating Instruction

SITRANS LG240, FF Polished rod probe

SITRANS LG240 Profibus PA Polished rod probe

SITRANS LG240 FF PFA coated rod and cable probe

SITRANS LG240 Profibus PA PFA coated rod and cable probe

SITRANS LG240, 2-wire 4-20 mA/HART Polished rod probe

SITRANS LG240, 4-wire 4-20 mA/HART Polished rod probe

SITRANS LG240, 2-wire 4-20 mA/HART Polished rod probe with SIL

SITRANS LG240, 2-wire 4-20 mA/HART PFA coated rod and cable probe

SITRANS LG240, 2-wire 4-20 mA/HART PFA coated rod and cable probe w/SIL

SITRANS LG250 Operating Instruction

SITRANS LG250 Foundation Fieldbus Coax probe

SITRANS LG250 Profibus PA Coax probe

SITRANS LG250 2-wire 4-20 mA/HART Coax probe

SITRANS LG250 4-wire 4-20 mA/HART Coax probe

SITRANS LG250 Foundation Fieldbus Rod and cable probe

SITRANS LG250 Profibus PA Rod and cable probe

SITRANS LG250 4-wire 4-20 mA/HART Rod and cable probe

SITRANS LG250 2-wire 4-20 mA/HART Rod and cable probe

SITRANS LG250 2-wire 4-20 mA/HART Rod and cable probe w/ SIL

SITRANS LG250 2-wire 4-20 mA/HART Coax probe w/ SIL

SITRANS LG260 Operating Instruction

SITRANS LG260, 4-wire Modbus Converter version

SITRANS LG260 4-wire 4-20 mA/HART Rod and cable probe

SITRANS LG260 2-wire 4-20 mA/HART Rod and cable probe w/ SIL

SITRANS LG260 Foundation Fieldbus Rod and cable probe

SITRANS LG260 2-wire 4-20 mA/HART Rod and cable probe

SITRANS LG260 Profibus PA Rod and cable probe

SITRANS LG270 Operating Instruction

SITRANS LG270 Profibus PA Coax probe -19 - +280 °C; -196 - +450 °C

SITRANS LG270 Profibus PA Rod and cable probe -20 … +250 °C

SITRANS LG270 Profibus PA Rod and cable probe -196 … +280 °C; -196 … +450 °C

SITRANS LG270 Profibus PA Coax probe -20 … +250 °C

SITRANS LG270 Four-wire 4- 20 mA/HART Rod and cable probe -20 … +250 °C

SITRANS LG270 4-wire 4-20 mA/HART Coax probe -20 … +250 °C

SITRANS LG270 2-wire 4-20 mA/HART Rod and cable probe probe, w/ SIL -20 - +250 °C

SITRANS LG270 Four-wire 4-20 mA/HART Coax probe -196 - +280 °C; -196 - +450 °C

SITRANS LG270 4-wire 4-20 mA/HART Rod and cable probe -196 - +280 °C; -196 - +450 °C

SITRANS LG270 2-wire 4-20 mA/HART Rod and cable probe probe, w/ SIL -196 - +280°C & +450°C

SITRANS LG270 2-wire 4-20 mA/HART Coax probe, w/ SIL -20 - +250 °C

SITRANS LG270 2-wire 4-20 mA/HART Coax probe, w/ SIL -196 - +280 °C; -196 - +450 °C

The SITRANS LG series are guided wave radar transmitters for level, level/interface, and volume measurement of liquids and solids. It is unaffected by changes in process conditions, high temperatures and pressures, and steam.

The SITRANS LG series comes in four different models,
depending on the applications, level of performance, and functionality required.

SITRANS LG240 offers configuration options for your hygienic application requirements
SITRANS LG250 Highly flexible solution for liquid level and interface applications. Extremely versatile offering solutions for storage, separation of materials or difficult ammonia applications
SITRANS LG260 Ideal for measuring level in medium range solids applications including; grains, plastics, and cement
SITRANS LG270 offers configuration options for extreme conditions including high temperature and high pressure applications such as: harsh applications found in chemical, HPI and energy industries for example, LPG gas tanks, steam boilers and distillation columns

	SITRANS LG240
Industries	Food, Beverage and Pharmaceutical
Applications	Hygienic and corrosive applications
Range	32 m
Performance	± 2 mm
Temperature	?40 … +150 °C
Temperature	(?40 ... +302 °F)
Process pressure
Standard version	-


With borosilicate glass leadthrough	-


Communications	4 ... 20 mA/HART
	Modbus: Modbus RTU, Modbus ASCII
	PROFIBUS PA
	FOUNDATION Fieldbus
	SIMATIC PDM
	DTM/FDT for PACTware
	Fieldcare

	SITRANS LG250
Industries	Chemical/HPI/Power/General
Applications	Liquids, storage and process vessels with agitators, vaporous liquids, interface
Range	75 m
Performance	± 2 mm
Temperature	?40 … +200 °C
Temperature	(?40 ... +392 °F)
Process pressure
Standard version	?1 … +40 bar/
	?100 … +4 000 kPa
	(?14.5 … +580 psig), depending on the process fitting
With borosilicate glass leadthrough	?1 … +100 bar/
	?100 … +10 000 kPa
	(?14.5 … +1 450 psig), depending on the process fitting
Communications	4 ... 20 mA/HART
	Modbus: Modbus RTU, Modbus ASCII
	PROFIBUS PA
	FOUNDATION Fieldbus
	SIMATIC PDM
	DTM/FDT for PACTware
	Fieldcare

	SITRANS LG260
Industries	Cement, power generation, food, processing, mineral processing, mining
Applications	Cement, fly ash, grain, coal, flour, plastics
Range	60 m
Performance	± 2 mm
Temperature	?40 … +200 °C
Temperature	(?40 ... +392 °F)
Process pressure
Standard version	-


With borosilicate glass leadthrough	-


Communications	4 ... 20 mA/HART
	Modbus: Modbus RTU, Modbus ASCII
	PROFIBUS PA
	FOUNDATION Fieldbus
	SIMATIC PDM
	DTM/FDT for PACTware
	Fieldcare

	SITRANS LG270
Industries	Chemical/HPI/Power/General
Applications	Aggressive applications in liquids, storage and process vessels with agitators, vaporous liquids, high temperatures and pressures, low dielectric media
Range	60 m
Performance	± 2 mm
Temperature	?196 … +450 °C
Temperature	(?320.8 ... +842 °F)
Process pressure
Standard version	-


With borosilicate glass leadthrough	-


Communications	4 ... 20 mA/HART
	Modbus: Modbus RTU, Modbus ASCII
	PROFIBUS PA
	FOUNDATION Fieldbus
	SIMATIC PDM
	DTM/FDT for PACTware
	Fieldcare

Benefits

High accuracy to +/- 2 mm
Advanced Diagnostics available for high degree of safety
Simple menu driven display offers ease of setup
Large range of options offers reliability in most continuous measurement applications
Ease of maintenance through module design and field replaceable and adjustable probe options
Perfect solution for wide range of applications from storage to interface with options for extreme pressure and temperature conditions
Universally applicable in liquids, interface, slurries and solids
Highly immune to buildup
Measures complete range of probe, which is perfect for small vessels
Wide range of Hygienic options

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