$ 413.08
High-precision laser distance sensor with 12m range, IO-Link, and rugged IP67 design. Ideal for robotics, conveyors, and level detection tasks.
Compact Time-of-Flight Sensor for Long-Range Detection
The SICK DT35-B15851 is a powerful laser distance sensor that leverages time-of-flight technology to deliver precise, long-range distance measurements of up to 12 meters. Designed for industrial automation environments, this compact sensor ensures highly accurate detection on challenging surfaces—including dark and low-reflectivity targets—making it ideal for factory automation, packaging, robotics, and logistics.
Whether you’re optimizing conveyor systems, aligning components, or verifying object positions, the DT35-B15851 solves the core challenge of non-contact, high-precision distance measurement, even in harsh and high-vibration environments.
Why?
The DT35-B15851 is designed for industries that require high-precision, non-contact distance measurement in environments where traditional sensors fail—such as with dark, angled, or low-reflectivity surfaces. Its time-of-flight laser technology offers long-range accuracy, quick response times, and robust environmental resistance.
What problem does it solve?
It solves the problem of inaccurate or unreliable detection in fast-paced, dusty, or reflective environments, where standard sensors struggle. By delivering precise measurements—even on black or shiny surfaces—it ensures error-free object detection, positioning, and distance control, reducing downtime and improving production quality across logistics, robotics, and automation systems.
Part Number: 1057653
Distance Sensor Model: DT35-B15851
| Feature | Details | Benefit |
|---|---|---|
| Measuring Range | 50 mm to 12,000 mm (depending on target reflectivity) | Supports both close-range and long-distance applications |
| Target Types | Natural objects, including dark surfaces (6% remission) | Accurate detection on challenging materials |
| Resolution / Accuracy | 0.1 mm resolution; ±10 mm accuracy | Ensures reliable precision for quality control and positioning |
| Response Time | Configurable: 2.5 ms to 96.5 ms | Adaptable to fast-moving applications |
| Switching Frequency | Up to 333 Hz | Supports high-speed detection tasks |
| Output Options | Analog (0–10V / 4–20 mA), Digital, IO-Link | Flexible integration into new or existing control systems |
| IO-Link | IO-Link V1.1, 38.4 kbit/s | Enables smart diagnostics and remote parameterization |
| Laser Class | Class 1 (Infrared, 827 nm) | Eye-safe for continuous industrial use |
| Ambient Operating Temperature | –30°C to +55°C | Reliable performance in a wide range of environments |
| Housing / Protection | Compact plastic housing, IP65/IP67 | Dustproof and waterproof, suitable for harsh environments |
| Power Supply | 12–30 V DC | Easily integrates with standard control voltages |
| Certifications | CE, UKCA, UL/cUL, RoHS, EMC compliant | Meets international safety and quality standards |
| Weight / Dimensions | 65 g / 32 × 58.67 × 42.7 mm | Lightweight, compact for easy installation in tight spaces |
| Average Laser Service Life | 100,000 hours | Long-lasting operation with minimal maintenance |
| Mounting Accessories | Steel alignment units, universal brackets | Easy and secure sensor installation |
| Connection Type | M12, 5-pin male connector | Industry-standard connectivity |
Download Datasheet – SICK DT35-B15851 (PDF)
Autonomous Mobile Robot Navigation
Time-of-flight sensors guide autonomous robots by detecting obstacles and measuring floor levels in real-time. With its long-range capability and fine resolution, the DT35-B15851 helps robots avoid collisions and navigate safely in warehouses or production facilities.
Level Monitoring in Silos and Tanks
The sensor is ideal for measuring the level of bulk solids or liquids without contact. Its reliable distance detection and strong resistance to dust and reflections ensure accurate readings even in harsh industrial storage environments.
Robotic Arm Collision Avoidance
Mounted on articulated robot arms, this sensor helps maintain safe operation near humans and other equipment. Its fast response time and IO-Link interface enable real-time adjustments to the robot’s movement, reducing the risk of impact.
Object Sorting on Conveyors
Used in automated sorting lines, the DT35-B15851 can detect the size, position, or height of items as they move past. Its high switching frequency and measurement speed enable fast classification and downstream routing.
AGV Positioning and Guidance
Automated Guided Vehicles rely on distance data to navigate and stop precisely. The DT35 sensor’s ability to detect reflectors and environmental boundaries makes it suitable for guiding AGVs through complex routes in busy facilities.
Vehicle Speed Detection Systems
In transport or logistics setups, the sensor can track vehicle movement over time and calculate speed. Its high update rate and accuracy make it suitable for monitoring traffic, conveyor speeds, or moving trolleys.
Terrain Mapping in Construction Automation
For ground-level surveying robots or construction automation, the DT35 provides real-time depth data to map uneven terrain. Its robust housing and long measuring range support operation in outdoor or rugged construction environments.
Gesture-Controlled Industrial Interfaces
In industrial kiosks or control panels, this sensor can be used to detect hand gestures for touch-free operation. Its high resolution and fast response allow smooth, real-time recognition of simple motion patterns for operator interfaces.
| Supply voltage Vs | DC 12 V … 30 V 1) 2) |
| Ripple | ≤ 5 Vpp 3) |
| Power consumption | ≤ 1.7 W 4) |
| Initialization time | ≤ 500 ms |
| Warm-up time | ≤ 20 min |
| Housing material | Plastic (ABS/PC) |
| Window material | Plastic (PMMA) |
| Connection type | Male connector, M12, 5-pin |
| Indication | LEDs |
| Weight | 65 g |
| Dimensions (W x H x D) | 32 mm x 58.67 mm x 42.7 mm |
| Enclosure rating | IP65
IP67 |
| Protection class | III |
| Measuring range | 50 mm … 12,000 mm, 90 % remission 1) 2)
50 mm … 5,300 mm, 18 % remission 50 mm … 3,100 mm, 6 % remission |
| Target | Natural objects |
| Resolution | 0.1 mm |
| Repeatability | ≥ 0.5 mm 2) 3) 4) |
| Accuracy | Typ. ± 10 mm 4) |
| Response time | 2.5 ms … 96.5 ms, 2.5 ms / 6.5 ms / 12.5 ms / 24.5 ms / 96.5 ms 5) 6) |
| Switching frequency | 333 Hz / 100 Hz / 50 Hz / 25 Hz / 6 Hz 5) 6) |
| Output time | 1 ms … 32 ms, 1 ms/2 ms/4 ms/8 ms/32 ms 5) 7) |
| Light source | Laser, infrared 8) Infrared light |
| Laser class | 1 (IEC 60825-1:2014, EN 60825-1:2014) |
| Typ. light spot size (distance) | 15 mm x 15 mm (at 2 m) |
| Additional function | Set speed: Super Fast … Super Slow, teach-in of analog output and invertible analog output, Output Q2 adaptable: Current output / Voltage output / Digital output, Switching mode: Distance to Object (DtO) / switching window / object between sensor and background (ObSB), teach-in of digital output and digital output invertible, Multifunctional input: laser off / external teach / deactivated, reset to factory default |
| Average laser service life (at 25 °C) | 100,000 h |
|
|||||||||||||||
|
|||||||||||||||
|
|||||||||||||||
| Multifunctional input (MF) | 1 x 3) | ||||||||||||||
| Hysteresis | 0 mm … 11,950 mm 4) | ||||||||||||||
| Ambient temperature, operation | –30 °C … +55 °C, Uv ≤ 24 V |
| Ambient temperature, storage | –40 °C … +75 °C |
| Max. rel. humidity (not condensing) | ≤ 95 % |
| Typ. Ambient light immunity | 40,000 lx |
| Vibration resistance | EN 60068-2-6, EN 60068-2-64 |
| Shock resistance | EN 60068-2-27 |
Contact our expert team for volume pricing, application support, or to get help integrating this sensor into your automation system.
