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Catalogue Siemens - Level instruments

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SIEMENS Process Instrumentation - 2739, 17489, 68351

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SITRANS L Level instruments

Continuous measurement - Radar transmitters

^SITRANS ^Probe ^LR


	1 Technical specifications
	Mode of operation
	Measuring principle	Pulse radar level measurement
	Frequency	5.8 GHz (North America 6.3 GHz)
	Measuring range	0.3 to 20 m (1.0 to 65 ft)
	Output
	Analog output	4 to 20 mA
	Accuracy	± 0.02 mA
	Span	Proportional or inversely propor-
		tional
	Communications	HART®
	Performance (reference condi-
	tions)
	Accuracy	± the greater of 0.1% of range or
		10 mm (0.4")
	Influence of ambient temperature	0.003%/K
	Repeatability	± 5 mm (2")
	Fail-safe	mA signal programmable as high,
		low or hold (LOE)
	Rated operating conditions
	• Installation conditions
	- Location	Indoor/outdoor
	• Ambient conditions (enclosure)
	- Ambient temperature	-40 to +80 °C (-40 to +176 °F)
	- Installation category	I
	- Pollution degree	4
	Medium conditions
	Dielectric constant er	er > 1.6 (for er < 3, use stillpipe)
	Vessel temperature	-40 to +80 °C (-40 to +176 °F)
	Vessel pressure	3 bar g (43.5 psi g)
	Design
	• Enclosure
	- Body construction	PBT (Polybutylene Terephthalate)
	- Lid construction	PEI (Polyether Imide)
	- Cable inlet	2 x M20x1.5 or 2 x /2" NPT with
		adapter
	• Degree of protection	Type 4X/NEMA 4X, Type 6/
		NEMA 6, IP67, IP68
	• Weight	1.97 kg (4.35 lb)
	• Antenna
	- Material	Polypropylene rod, hermetically
		sealed construction
	- Dimensions	Standard 100 mm (4") shield for
		maximum 100 mm (4") nozzle manufacturer or
		optional 250 mm (10") long shield
	• Process connections	1/" NPT [(Taper), ANSI/ASME
		B1.20.1]
		R 1/" [(BSPT), EN 10226]
		G 1/" [(BSPP), EN ISO 228-1]
	Power supply	• Nominal 24 V DC with max.
	Power supply	550 Q, maximum 30 V DC
		• 4 to 20 mA
	Certificates and approvals
	General	CSA_US/C, CE, FM
	Marine	• Lloyd's Register of Shipping
		• ABS Type Approval
	Radio	FCC, Industry Canada and Euro-
		pean (R&TTE)

Hazardous

• Europe

• USA

ATEX II 1G EEx la IIC T4

Intrinsically Safe barrier required FM Class I, Div.1, Groups A,B,C,D; Class II, Div. 1, Groups E,F, G; Class III

Intrinsically Safe barrier required CSA Class I, Div.1, Groups A,B,C,D; Class II, Div. 1, Group G; Class III

• Canada

Programming

Handheld communicator PC

Intrinsically safe Siemens Milltronics handheld programmer (optional)

• Approvals (handheld programmer)

HART

SIMATIC PDM Infrared receiver

ATEX II 1G EEx ia IIC T4

CSA and FM Class I, Div.1, Groups A,B,C,D, T6 @ max. ambient

Multi-segment alphanumeric liquid industrial crystal with bar graph (representing level) available in four languages

Display (local)

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Siemens FI 01 • 2008