LASER LEVEL TRANSMITTER LLT100

The LLT100 is a high performance laser transmitter that accurately measures level, distance and position over short and long ranges. It is a non-contact, level measuring instrument designed for industrial applications and harsh environments.

OVERVIEW

The LLT100 is specifically made for industrial applications and harsh environments. It provides continuous, non-contact level measurement capabilities for process automation and inventory management in industries such as mining, aggregates, oil and gas, chemicals, food and beverages, power, pulp and paper, pharma, and water and waste water.

Low cost of ownership

<ul> <li>No maintenance</li> <li>No calibration necessary</li> <li>Versatile level transmitter</li> </ul>

Reliable

<ul> <li>Precise measurement of any solid or liquid surface</li> <li>Dust and fog penetration capabilities</li> <li>Explosion proof class 1 / division 1 (zone 1)</li> </ul>

Convenient

<ul> <li>Fast and flexible installation</li> <li>Easy setup function</li> <li>2 wire powered and HART communication</li> </ul>

ACCESSORIES

Dust tube

Avoids dirt or splashing liquids on the window

Cooling tube

Increases max. process temperature to 280°C/535°F

Heated window

Prevents condensation on window (requires 4 wire power)

Integral Through-the-Glass user interface

Configuration directly on the unit

Rotating bracket

Ideal for aiming the LLT100 laser beam

Swivel flange

Provides precise aiming of the LLT100 laser beam. Especially useful in liquid applications

Laser pointer tool

Used to provide a visual reference when aligning LLT100

OVERVIEW: TRANSMITTER FEATURES

ABB brings laser level transmitters to the next level of non-contact measurements by packaging laser ranging technology with the required features for industrial applications.

PROCESS FLANGES

Universal flange (aluminum or stainless steel)

Flange bolt pattern fits both 2 in. ASME150 and DN50 PN 16
Maximum pressure: 2 bar (29 psi)
Hazarous area class 1 / division 1 (zone 1)

High pressure

2 in. class 150 flange
2 in. class 300 flange
DN50 PN16 flange
DN50 PN40 flange
Hazardous area class 1 / division 1 (zone 1)
Can be used to form a barrier to zone 0

Hygienic interface

4 in. triclover clamp

Data

Measurement

Range	0.5 to 30 m (2 to 100 ft) for liquids 0.5 to 100 m (2 to 330 ft) for solids 0.5 to 200 m (2 to 660 ft) for positioning applications1
Resolution	5 mm (0.2 in)
Typical accuracy	±11 mm (0.4 in)
Measuring beam	Laser wavelength: 905 nm, eye safe, Class 1
Laser beam divergence	< 0.35°
Environmental conditions
Operating temperature	–40° to +60°C (–40 to +140°F)
Storage temperature	–40 to +85°C (-40 to +185°F)
Survival temperature	–40°C to +80°C (–40°F to +175°F)
Process pressure	Base model: –1 to +2 bar (29 psi) Hygienic model: –1 to +1 bar (15 psi) Pressure-rated model: –1 to +49.6 bar (719 psi), depending on flange
Vibration resistance
Compliant with IEC 60068–2–6:2007 Environmental testing	Part 2 6: Tests Test Fc: Vibration (sinusoidal), 10 150 Hz 0.35mm 50m/s²
Output
Analog	4 to 20 mA, NAMUR compliant
Digital	HART 7 (multi-variable output)
Communication	Local HMI, EDD/DTM, handheld
Power supply
Powered from the current loop (flameproof/explosion proof/ dust-ignition proof version)	4 to 20 mA, 16 to 42 V DC (if using HART, minimum input voltage is 21 V DC)
For intrinsically safe version	4 to 20 mA, 15.5 to 30 V DC maximum (21 to 30 V DC for HART)
Heated lens option (for flameproof/explosion proof/dust ignition protection only)	24 V DC (3W)
Mechanical
Housing material	Powder coated aluminum (standard), 316L stainless steel (option)
Dimensions	Universal - flat flange W 247 x H 215 x D 165 mm (9.7 x 8.5 x 6.5 in.) Class 150 - raised flange W 240 x H 242 x D 154 mm (9.5 x 9.5 x 6.1 in.) Class 300 - raised flange W 247 x H 242 x D 165 mm (9.7 x 9.5 x 6.5 in.) DIN PN 16 - raised flange W 247 x H 242 x D 165 mm (9.7 in x 9.5 x 6.5 in.) DIN PN 40 - raised flange W 247 x H 242 mm x D 165 (9.7 x 9.5 x 6.5 in.) Hygienic flange W 223 x H 215 x D 137 mm (8.8 x 8.5 x 5.4 in.)
Weight of standard model	Aluminum enclosure with universal aluminum flange: 3.7 kg (8.2 lb) 316L SST enclosure with universal stainless steel flange: 8.6 kg (19.0 lb)
Weight of pressure rated model (depending on flange)	Aluminum enclosure: 6.7 to 7.2 kg (14.8 to 15.9 lb), depending on flange 316L SST enclosure: 10.0 to 10.5 kg (22.1 to 23.2 lb), depending on flange
Weight of hygienic model	Aluminum enclosure: 5.8 kg (12.8 lb) 316L SST enclosure: 9.1 kg (20.1 lb)
Protection class	IP66 / IP67/ Nema 4 (SS version 4X)
Process fitting	Flange (ASME 2”, DN50) Hygienic fitting / tri-clamp 4 in. (ISO2852)
Wetted parts	Flange A: Aluminum, borosilicate window, silicone O–ring Flange B: 316L SST, borosilicate window, silicone O–ring Flanges C, D, F, G: duplex 2205 ring with fused borosilicate window (high pressure models) with a 316 SST pressure retaining flange Flange H: 316L SST, polycarbonate window, silicone SB70 O–ring, 3–A approved
Mean time between failures (MTBF)	25 years
Operation
Display	Integrated 128x64 pixels LCD display with TTG (Through-The-Glass) interface
Software features	Volume computation, damping, filtering, thresholds/alarms, user-defined display(with HMI)
Optical
Total optical aperture	50 mm (2 in)
Standard window material (flanges A and B)	Tempered borosilicate glass
Pressure rated window material (flanges C, D, F, G)	Borosilicate fused glass
Hygienic window material (flange H)	Polycarbonate window
H flange maximum permissible cleaning temperature	CIP cleaning: Steam Tmax: 100 °C(212 °F) Tmax minutes: 30 Tamb: 25 °C (77 °F)
Lens impact resistance	Tested at 4 joules
Beam divergence	Δ < 0.3°
Beam spot width	Distance 1 m(3 ft) 3 m(10 ft) 5 m(16 ft) 10 m (33 ft) 20 m(66 ft) 30 m (98 ft) 50 m (164 ft) 100 m (328 ft) 150 m (492 ft)
	Approx.spot width 0.7 cm(0.3 in) 2.0 cm (0.8 in) 3.3 cm (1.3 in) 6.6 cm (2.6 in) 13.5 cm (5.3 in) 20 cm (7.9 in) 34 cm (13.4 in) 69 cm (27.2 in) 108 cm (42.5 in)
Beam direction	90° ±5° from mounting flange for liquids measurements
Laser
Measuring laser	905 nm near infrared pulsed semiconductor laser 7.1 μW average power output 45 W peak power output
Measuring laser safety	Always on IEC60825–1 Ed. 2, 2007 A Class 1 laser is safe for all conditions of use

FIELDBUS & HART

The Version Matrix document shows, for each protocol, the Software Revision that’s compatible to the Hardware and Firmware Revision of the device.

Read first:
Version Matrix

Download software and relevant documents:

HART

Software: DTM, EDD, FDI

Supplementary information: Driver description

Stand-alone tools
ABB offers software tools that use the drivers listed in the table above for your device configuration and monitoring requirements.
Please read more & download

SERVICE

Product commissioning

ABB provides trouble-free start-up and commissioning conducted by a global network of factory-trained experts. A professionally commissioned product ensures process reliability, safe operation and reduced unplanned downtime.

Maintenance and field services

ABB offers different levels of service support to ensure you have access to our experts when you need them. From on-call support through to multi-engineer resident service contracts.

Repairs

ABB provides a complete portfolio of world-class services to ensure maximum performance of our customers equipment and processes.

Spare part services

ABB's global logistics network is strategically positioned to ensure the efficient delivery of spare parts and consumables. A comprehensive spare parts catalog is available free of charge to help you identify the parts you need.

Training

A skilled and efficient workforce is your plant's best asset. ABB's Measurement & Analytics business offers online and in-person training courses for all of our products.

Measurement products

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