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: 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.
SIL 2 Capable

LLT100 is SIL 2 capable according to IEC 61508, making it suitable for safety related applications.

Video: LLT100 non-contact laser level measurement for industrial applications
Overview
Data
Fieldbus & HART
Downloads
Service

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
– No maintenance
– No calibration necessary
– Versatile level transmitter

Reliable
– Precise measurement of any solid or liquid surface
– Dust and fog penetration capabilities
– Explosion proof class 1 / division 1 (zone 1)

Convenient
– Fast and flexible installation
– Easy setup function
– 2 wire powered and HART communication

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

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 m to 200 m (2 ft to 660 ft) for positioning applications with reflective target

  • Resolution
    5 mm (0.2 in)

  • Typical accuracy
    ±11 mm (0.4 in)

  • Measuring beam
    Laser wave length: 905 nm, eye safe, Class 1

  • Laser beam divergence
    < 0.35°

  • Environmental conditions

  • Operating temperature
          –40° to +60°C (–40 to +140°F), up to 280°C (535°F) with cooling tube

  • 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

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 loop
     4 to 20 mA, 16 to 42 V DC
  • Heated lens option
     24 V DC (3W)

Mechanical

  • Enclosure 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
     – 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
    – Aluminum, cemented borosilicate window (base model)
    – 316L SST, cemented borosilicate window (base model, hygienic model)
    – 316L SST, fused borosilicate window (high pressure models)

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)
  • Approvals CE, ATEX, IECEx, FM, 3A

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

Download

Loading documents

Service

ABB offer a full range of services to support you and your processes, including:

Explore our comprehensive range of services at Measurement & Analytics service

Select region / language