SITRANS LR200

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SITRANS LR200 is a 2-wire, 6 GHz pulsed radar sensor for level measurement of liquids and slurries up to 20 m in high-temperature, high-pressure, and turbulent conditions. It delivers rugged, stable performance in demanding industrial environments.

Zalo Hotline: 0961.67.69.69

Description
Specifications

Key Features

Intuitive Local User Interface (LUI) with graphical display and Quick Start Wizard for fast, guided commissioning
Echo profile visualization on screen to support on-site signal diagnostics
Digital communication via HART or PROFIBUS PA for seamless control system integration
Built-in Process Intelligence algorithms for enhanced measurement stability and auto suppression of false echoes from fixed obstructions
Programming via intrinsically safe handheld infrared device or SIMATIC PDM software
No need to open the housing during configuration—enhancing safety in hazardous areas

Mechanical Design & Setup

Seamless Uni-Construction polypropylene antenna, chemically resistant and fully encapsulated
Integrated internal shielding eliminates interference from nozzle or mounting hardware
Electronics module can be rotated and repositioned for easy installation and screen visibility
Quick commissioning with only two basic configuration parameters
Multilingual display supports up to 4 languages for flexible field use

Typical Applications

Agitated liquid tanks or vessels with intense mixing
Liquids that emit vapor or gas—where conventional radar signals are disrupted
High-temperature or high-pressure process tanks
Level measurement of asphalt, sticky, or viscous materials where other technologies fail

Category	Specification
Mode of operation
Measuring principle	Radar level measurement
Frequency	C-band, approx. 6 GHz
Measuring range	0.3 … 20 m (1.0 … 65 ft)

Output
Analog output	4 … 20 mA
Accuracy	± 0.02 mA
Span	Proportional or inversely proportional
Communications	HART Optional: PROFIBUS PA (Profile 3.0, Class B)
Fail-safe	Programmable as high, low, or hold (Loss of Echo)

Performance (IEC60770-1)
From antenna end to 600 mm	40 mm (1.57 inch)
Remainder of range	10 mm (0.4 inch) or 0.1% of span (whichever is greater)

Rated operating conditions
Installation location	Indoor/outdoor
Ambient temperature	-40 … +80 °C (-40 … +176 °F)
Storage temperature	-40 … +80 °C (-40 … +176 °F)
Installation category	I
Pollution degree	4

Medium conditions
Dielectric constant (ε_r)	ε_r > 1.6 (use stillpipe if < 3)
Vessel temp. & pressure	Varies with connection type (see pressure/temperature curves)

Design
Enclosure – Material	Aluminum, polyester powder coated
Enclosure – Cable inlet	2 × M20 × 1.5 or 2 × ½” NPT
Enclosure – Protection	Type 4X/NEMA 4X, Type 6/ NEMA 6, IP67, IP68
Weight	< 2.82 kg (6.21 lb) with polypropylene rod antenna
Local display	Multi-segment alphanumeric LCD with bar graph (available in four languages)

Antenna
Material	Polypropylene rod, hermetically sealed, optional PTFE
Dimensions	Standard 100 mm (4″) shield for max 100 mm (4″) nozzle; optional 250 mm (10″) long shield
Optional accessories	Refer to SITRANS LR200 Antennas documentation

Process connections
Threaded connections	1½” NPT (Taper, ASME B1.20.1) R 1½” (BSPT, EN 10226) G 1½” (BSPP, EN ISO 228-1)
Flange connections	Refer to SITRANS LR200 documentation

Power supply
4 … 20 mA / HART	24 V DC nominal (max. 30 V DC), max. 550 Ω
Intrinsically safe variants	24 V DC nominal (max. 30 V DC), max. 250 Ω
PROFIBUS PA	10.5 mA, per IEC 61158-2

Certificates and approvals
General	CSA_US/C, CE, FM, RCM
Marine	Lloyd’s Register of Shipping, ABS Type Approval
Radio	FCC, Industry Canada, RED (Europe), RCM

Hazardous
• Intrinsically Safe (Brazil)	INMETRO Ex ia IIC T4 Ga
• Explosion Proof (Canada/USA)	CSA/FM, Class I, Div. 1, Groups A, B, C, D; Class II, Div. 1, Groups E, F, G; Class III, T4
• Intrinsically Safe (Canada/USA)	CSA/FM, Class I, Div. 1, Groups A, B, C, D; Class II, Div. 1, Groups E, F, G; Class III, T4
• Non-incendive (USA)	FM, Class I, Div. 2, Groups A, B, C, D, T5
• Flame Proof/Increased Safety (China)	NEPSI Ex d mb ia IIC T4/ Ex e mb ia IIC T4
• Flame Proof (Europe)	ATEX II 1/2 G Ex d mb ia IIC T4 Ga/Gb
• Flame Proof (UK)	UKEX II 1/2 G Ex d mb ia IIC T4 Ga/Gb
• Increased Safety (Europe)	ATEX II 1/2 G Ex e mb ia IIC T4 Ga/Gb
• Increased Safety (UK)	UKEX II 1/2 G Ex e mb ia IIC T4 Ga/Gb
• Intrinsically Safe (Europe)	ATEX II 1G Ex ia IIC T4 Ga
• Intrinsically Safe (UK)	UKEX II 1G Ex ia IIC T4 Ga
• Intrinsically Safe (International)	IECEx Ex ia IIC T4
• Intrinsically Safe (Russia/Kazakhstan)	EAC Ex ia
Programming
Intrinsically safe programmer	Infrared receiver
• Approvals for handheld programmer	IS model: ATEX II 1 GD Ex ia op is IIC T4 Ga, ATEX II 1 GD Ex ia op is IIIC T135°C Da, Ta = -20°C to +50°C; UKEX II 1 GD Ex ia op is IIC T4 Ga, UKEX II 1 GD Ex ia op is IIIC T135°C Da, Ta = -20°C to +50°C; CSA/FM Class I, II, III, Div. 1, Groups A, B, C, D, E, G, T6, Ta = 50°C; IECEx SIR 09.0073
Handheld communicator	HART communicator 375
PC configuration	• SIMATIC PDM • AMS • SITRANS DTM (for FDT tools like PACTware or Fieldcare)
Local display	Multi-segment alphanumeric LCD with bar graph (4 languages)

SITRANS LR200

Key Features

Mechanical Design & Setup

Typical Applications

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