ABB LLT100 Laser Level Transmitter

$1,500.00

The ABB LLT100 laser level transmitter delivers non-contact level measurement with a typical accuracy of ±11 mm. Its measurement range reaches 30 m for liquids and 100 m for solids, making it suitable for tanks, silos, and bulk material applications.

Featuring 4–20 mA output and HART 7 communication, the LLT100 supports industrial process monitoring and inventory management. Optional accessories, including a cooling tube, heated window, and hygienic connection, help adapt the instrument to different operating conditions.

🕑 Lead time: 8-10 weeks
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The ABB LLT100 is a high-performance laser level transmitter for continuous, non-contact measurement of liquid levels, solid levels, distance, and position. It is designed for industrial environments where reliable measurement and reduced routine maintenance are important.

Key Features

  • Non-contact measurement of liquids and solids
  • Measurement range up to 30 m for liquids and 100 m for solids
  • Typical accuracy of ±11 mm and 5 mm resolution
  • Class 1 eye-safe laser
  • 4–20 mA output with HART 7 communication
  • Integrated LCD display with through-the-glass configuration
  • Optional accessories for dust, condensation, and high-temperature conditions

Applications

The LLT100 is suitable for level monitoring and inventory management in mining, aggregates, oil and gas, chemical processing, food and beverage, power generation, pulp and paper, pharmaceutical production, and water and wastewater treatment.

Why Choose the ABB LLT100?

Its non-contact measurement principle reduces direct contact with process materials, while flexible mounting options and accessories help meet varied installation requirements. The LLT100 is a practical choice for industrial facilities seeking dependable level measurement with low routine maintenance.

Q1: What does the ABB LLT100 measure?

It measures liquid levels, solid levels, distance, and position using non-contact laser technology.

Q2: What is the measuring range of the LLT100?

The range is 0.5–30 m for liquids and 0.5–100 m for solids. Positioning applications can reach 200 m under suitable conditions.

Q3: What is the typical accuracy of the ABB LLT100?

The typical measurement accuracy is ±11 mm, with a resolution of 5 mm.

Q4: Can the LLT100 measure bulk solids?

Yes. It is designed for solid surfaces and can be used in applications involving bulk materials, such as aggregates and other stored solids.

Q5: Does the LLT100 require contact with the material?

No. It measures from a distance using a laser beam, without contacting the measured material.

Q6: What output and communication options does it support?

It supports a 4–20 mA analog output and HART 7 communication.

Q7: Can the LLT100 operate in high-temperature applications?

The standard operating temperature range is −40°C to +60°C. With the appropriate cooling tube accessory, the maximum process temperature can reach 280°C, depending on the configuration.

Q8: Is the LLT100 suitable for hazardous areas?

Hazardous-area versions are available. Confirm the required certification and model configuration for your installation before ordering.

Q9: Can the LLT100 be used in food and pharmaceutical applications?

Yes. A hygienic interface option is available for suitable applications. Verify the required connection and hygiene approvals for your process.

Q10: How can I request a quote for the ABB LLT100?

Contact ProInstru with your required measuring range, material, process conditions, connection, and quantity so the suitable configuration can be confirmed.

Measurement Performance & Optical Specifications

Measuring Range Liquids: 0.5 to 30 m (2 to 100 ft);
Solids: 0.5 to 100 m (2 to 330 ft);
Positioning applications: 0.5 to 200 m (2 to 660 ft)
Accuracy & Resolution Typical accuracy: ±11 mm (0.4 in);
Resolution: 5 mm (0.2 in)
Measuring Laser & Safety 905 nm near-infrared pulsed semiconductor laser;
Average power: 7.1 μW, peak power: 45 W;
Safety classification: Class 1 eye-safe (IEC 60825-1 Ed. 2:2007)
Beam Characteristics Optical aperture: 50 mm (2 in);
Beam divergence: < 0.35° (Δ < 0.3°);
Beam direction: 90° ±5° from mounting flange (for liquid measurement)
Beam Spot Diameter (Approx.) 1 m: 0.7 cm (0.3 in) | 3 m: 2.0 cm (0.8 in) | 5 m: 3.3 cm (1.3 in)
10 m: 6.6 cm (2.6 in) | 20 m: 13.5 cm (5.3 in) | 30 m: 20 cm (7.9 in)
50 m: 34 cm (13.4 in) | 100 m: 69 cm (27.2 in) | 150 m: 108 cm (42.5 in)
Optical Window & Durability Standard (Flanges A, B): Tempered borosilicate glass;
Pressure-rated (Flanges C, D, F, G): Fused borosilicate glass;
Hygienic (Flange H): Polycarbonate window (CIP steam max. 100 °C / 212 °F, 30 min, Tamb 25 °C);
Impact resistance: Tested to 4 Joules

Operating Conditions & Environmental Limits

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
Temperature Specifications Operating temperature: –40 to +60 °C (–40 to +140 °F);
Storage temperature: –40 to +85 °C (–40 to +185 °F);
Survival temperature: –40 to +80 °C (–40 to +175 °F)
Ingress Protection IP66 / IP67 / NEMA 4 (Stainless steel enclosure: NEMA 4X)
Vibration Resistance Compliant with IEC 60068-2-6:2007 Test Fc (sinusoidal): 10 to 150 Hz, 0.35 mm, 50 m/s²
Reliability (MTBF) 25 years

Electrical, Communication & Software

Output & Communication Analog: 4 to 20 mA (NAMUR compliant);
Digital: HART 7 (multi-variable output);
Configuration: Local HMI, EDD/DTM, handheld communicator
Power Supply Loop-powered (Flameproof / explosion-proof / dust-ignition-proof): 4 to 20 mA, 16 to 42 V DC (min. 21 V DC for HART);
Intrinsically safe: 4 to 20 mA, 15.5 to 30 V DC max. (21 to 30 V DC for HART);
Heated lens option (Ex versions): 24 V DC (3 W)
Local Display (HMI) Integrated 128 × 64 pixels LCD display with Through-The-Glass (TTG) capacitive interface
Software Features Volume computation, damping, filtering, thresholds/alarms, user-defined display

Mechanical Specifications & Process Fittings

Process Fittings Flange: ASME 2 in, DN 50;
Hygienic fitting: Tri-Clamp 4 in. (ISO 2852)
Housing Material Powder-coated aluminum (standard), 316L stainless steel (optional)
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 & 316 SST pressure retaining flange;
Flange H: 316L SST, polycarbonate window, silicone SB70 O-ring (3-A approved)
Dimensions (W × H × D) Universal flat flange: 247 × 215 × 165 mm (9.7 × 8.5 × 6.5 in.);
Class 150 raised flange: 240 × 242 × 154 mm (9.5 × 9.5 × 6.1 in.);
Class 300 / DIN PN 16 / DIN PN 40 raised flange: 247 × 242 × 165 mm (9.7 × 9.5 × 6.5 in.);
Hygienic flange: 223 × 215 × 137 mm (8.8 × 8.5 × 5.4 in.)
Weight Standard model: Aluminum 3.7 kg (8.2 lb) / 316L SST 8.6 kg (19.0 lb);
Pressure-rated model: Aluminum 6.7 to 7.2 kg (14.8 to 15.9 lb) / 316L SST 10.0 to 10.5 kg (22.1 to 23.2 lb);
Hygienic model: Aluminum 5.8 kg (12.8 lb) / 316L SST 9.1 kg (20.1 lb)

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