Laser level transmitter LLT100
Non-contact, level measuring instrument designed for industrial applications and harsh environments
Documentation
Specifications
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 128×64 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
Benefits
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