2D Laser Scanner LMS121-10000 SICK – 270° Scanning Angle LiDAR, 20m Range, Ethernet TCP/IP
The LMS121-10000 is a 2D laser scanner (LiDAR) from SICK, featuring a 270° scanning angle, maximum scanning range of 20m, and Ethernet TCP/IP connectivity. It is designed for indoor security and automation applications. This model is widely used in logistics, access control, and autonomous mobile robots (AGV/AMR). Available for purchase from official distributor AUMI.
The LMS121-10000 is a 2D laser scanner (LiDAR) developed by SICK AG (Germany) for area monitoring, object detection, and security zone monitoring in 2D space. It stands out with a 270° scanning angle, a 20m operating range at 90% remission, and Ethernet TCP/IP interface.
- 20m scanning range (at 90% remission) – meets requirements of various indoor monitoring applications
- 270° scanning angle – covers a wide area with a single sensor
- Ethernet TCP/IP (10/100 Mbit/s) connectivity – easy integration into industrial networks
- Scanning frequency 25 Hz / 50 Hz, angular resolution 0.25° / 0.5° – flexible according to application needs
- Compact design (105 × 102 × 152 mm, 1.1 kg), IP65 rating, suitable for industrial environments
- Integrated field evaluation function, supporting up to 10 field sets and 10 simultaneous evaluation cases
Overview of 2D Laser Scanner LMS121-10000
The LMS121-10000 Security is a 2D LiDAR sensor from SICK’s LMS1xx series, developed for monitoring, object detection, and security zone surveillance in indoor environments. The device uses a 905 nm infrared laser source and complies with Laser Class 1 – eye-safe.
Unlike conventional proximity or photoelectric sensors, the LMS121-10000 provides real-time 2D mapping data across the entire 270° scanning area, enabling the system to recognize object shape, position, and movement. This is a key advantage in AGV/AMR applications, automatic doors, and hazardous area surveillance.
5 Key Specifications
- Scanning range: 20m (90% remission), 18m (10% remission)
- Scanning angle: 270° – Frequency: 25 Hz / 50 Hz
- Interfaces: Ethernet TCP/IP (10/100 Mbit/s), RS-232, CAN
- Protection rating: IP65 (EN 60529)
- Operating temperature: 0°C to +50°C
Technical Specifications – LMS121-10000 SICK
Full technical data from the official SICK datasheet:
| Parameter |
Value |
| Model |
LMS121-10000 Security |
| Part No. |
1051384 |
| Application |
Security, Indoor |
| Light source |
Infrared 905 nm, Laser Class 1 |
| Scanning angle (Aperture angle) |
270° (Horizontal) |
| Operating range |
0.5 m – 20 m |
| Scanning range at 10% remission |
18 m |
| Scanning range at 90% remission |
20 m |
| Scanning frequency |
25 Hz / 50 Hz |
| Angular resolution |
0.25° (at 25 Hz) / 0.5° (at 50 Hz) |
| Number of evaluated echoes |
2 |
| Fog correction |
Yes |
| Response time |
≥ 20 ms |
| Systematic error |
±30 mm (typical) |
| Statistical error |
12 mm (typical) |
| Primary interface |
Ethernet TCP/IP – 10/100 Mbit/s |
| Service interface |
RS-232 (9.6 – 115.2 kBaud) |
| Extended interface |
CAN (extended outputs) |
| Digital inputs |
4 |
| Digital outputs |
3 (2 relay, 1 digital) |
| Field evaluation |
10 field sets, 10 simultaneous evaluation cases |
| Supply voltage |
9 V DC – 30 V DC |
| Power consumption |
Typ. 8 W |
| Protection rating |
IP65 (EN 60529) |
| Operating temperature |
0°C – +50°C |
| Storage temperature |
-30°C – +70°C |
| Ambient light immunity |
80,000 lx |
| Dimensions (H × W × D) |
105 mm × 102 mm × 152 mm |
| Weight |
1.1 kg |
| MTBF / MTTFd |
> 100 years |
| Housing color |
Grey (RAL 7032) |
| Certifications |
EU/UK/ACMA Declaration of Conformity, China RoHS, cTUVus |
Data from official SICK LMS121-10000 Security datasheet – SICK AG, 2026.
Download datasheet: https://www.sick.com/media/pdf/0/50/450/dataSheet_LMS121-10000-Security_1051384_en.pdf
Applications of 2D Laser Scanner LMS121-10000 in Industry
With its 270° scanning angle, 20m range, and integrated field evaluation, the SICK LMS121-10000 LiDAR is suitable for numerous industrial and security applications:
- Indoor AGV/AMR Navigation: Mounted on automated guided vehicles to detect obstacles, perform positioning, and enable real-time navigation. The 20m range and 270° angle allow safe operation in shared spaces with humans.
- Access Control and Automatic Doors: Monitors entry/exit areas, distinguishes between people and vehicles, and triggers automatic doors/gates. Easy Teach lite/pro function enables quick protective field setup without complex programming.
- Logistics and Warehouse Management: Monitors corridors, warehouse doors, and controls forklift and personnel traffic. Real-time 2D mapping data optimizes WMS/WCS operations.
- Distance Measurement and Object Detection on Sorting Systems: Detects packages on conveyors, measures object dimensions, and classifies by shape in automated sorting applications.
Comparison of LMS121-10000 with Other LMS1xx Models
SICK’s LMS1xx series includes multiple models with different ranges and features. The table below helps you select the most suitable 2D LiDAR:
| Criteria |
LMS121-10000 |
LMS111-10100 |
LMS151-10100 |
| Scanning range |
20 m |
20 m |
50 m |
| Scanning angle |
270° |
270° |
270° |
| Primary interface |
Ethernet TCP/IP |
Ethernet TCP/IP |
Ethernet TCP/IP |
| Security application |
Yes |
No |
No |
| IP rating |
IP65 |
IP67 |
IP67 |
| Connector type |
1 x system plug with screw terminal block |
M12 round connector |
M12 round connector |
| Heating |
No |
Yes |
Yes |
| Best suited for |
Indoor security, access control, AGV mid-range |
General-purpose AGV, automation (no field evaluation) |
Outdoor & long-range applications, harsh environments |
The LMS121-10000 is the optimal choice for indoor security applications requiring 20m range and fast Ethernet TCP/IP integration. For longer range or outdoor applications, please contact AUMI for suitable model recommendations.
Why Buy the LMS121-10000 SICK from AUMI?
You can purchase the genuine SICK 2D laser scanner LMS121-10000 from AUMI – the official authorized distributor in Vietnam, with competitive pricing, 12-month warranty, and 24/7 technical support. AUMI guarantees 100% authentic products with full labels, CO/CQ documents, and traceability to SICK AG (Germany).
- 100% genuine SICK, complete labels + CO/CQ, full traceability
- 12-month warranty, 24/7 technical hotline, on-site commissioning support
- Nationwide delivery, warehouses in Hanoi & Ho Chi Minh City, ready stock of many LMS1xx models
- Expert model selection consultation, system integration support, and full technical documentation
Frequently Asked Questions (FAQ) about LMS121-10000
Q1: What is the price of the LMS121-10000 2D laser scanner?
The price of the LMS121-10000 depends on quantity and project requirements. Please contact AUMI at 0917 991 589 (Hanoi) or 0932 226 100 (Ho Chi Minh City) for the best quotation along with technical consultation.
Q2: In which industries is the LMS121-10000 used?
The LMS121-10000 2D LiDAR is widely used in: autonomous mobile robots (AGV/AMR), automated logistics and warehouses, access control and automatic doors, hazardous area monitoring in manufacturing, and product sorting on conveyors.
Q3: Is the LMS121-10000 a safety sensor?
No. According to the SICK datasheet, the LMS121-10000 is not a safety component according to machinery safety standards (no PL/SIL rating). It is a Security sensor — designed for area surveillance and detection, suitable for control and automation applications. It must not replace functional safety devices. For safety-rated LiDAR sensors, please refer to SICK’s S3000 or microScan3 series.
Q4: What are the differences between LMS121-10000, LMS111-10100, and LMS151-10100?
The LMS121-10000 is a Security model with deeper field evaluation capability (10 field sets and 10 simultaneous evaluation cases), optimized for indoor security and access control. The LMS111-10100 is a general-purpose indoor model without dedicated Security field evaluation. The LMS151-10100 offers a longer 50m range with IP67 protection and an M12 connector, making it suitable for outdoor and long-distance applications — but it is not a Security model and does not include Security field evaluation.
AUMI – Official Distributor of SICK in Vietnam.
Genuine products with full warranty, CO/CQ documents, and 24/7 technical support.
📞 Hotline: 0917 991 589 (Hanoi) | 0932 226 100 (Ho Chi Minh City)
📧 Email: [email protected]
🌐 Website: https://aumi.com.vn/
📍 AUMI Addresses:
- Hanoi: B44, Villa Area, Viet Hung Urban Area, Viet Hung Ward
- Ho Chi Minh City: 2nd Floor, HS Building, 260/11 Nguyen Thai Binh, Bay Hien Ward
- Da Nang: 9th Floor, PV Bank Building, No. 2 30-4 Street, Hoa Cuong Ward
🔗 Official Datasheet
🔗 View all SICK products at AUMI
