Laser level transmitter
LLT100

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

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	Tmax	Tmax minutes	Tamb
  Steam	100 °C (212 °F)	30	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

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

• Product commissioning
• Maintenance and field services
• Repairs
• Spare parts services
• Training

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