LMI Gocator 3210 Large Field-of-View 3D Snapshot Sensor

Capture an entire 3D scan in a single shot. No motion. No conveyor. No encoder. The Gocator 3210 is LMI's large-field-of-view 3D snapshot sensor, built for inspection of stationary parts and robot-mounted scanning applications where conventional laser profilers cannot work.

The Gocator 3210 is LMI Technologies' large-field-of-view 3D smart snapshot sensor - a fundamentally different 3D capture technology than the rest of the Gocator portfolio. Instead of scanning a laser line across a moving target, the 3210 projects a structured light pattern across a 100 x 154 mm field of view and uses dual stereo cameras to triangulate the full 3D scene in a single 4 Hz snapshot. No motion is required: the target stays still and the sensor captures the entire 3D point cloud in one frame. This makes the 3210 the right Gocator for stationary part inspection, robot-mounted scanning, pick-and-place applications, and any production environment where vibration would corrupt a motion-based laser scan. The 3210 is the current-generation Gocator 3200 Series snapshot sensor (B revision architecture), purpose-built for inline inspection of large automotive components, body assemblies, and complex multi-feature parts.

Snapshot vs. Line Profiler: A Different Way to Capture 3D

Most Gocator sensors are laser line profilers. They project a laser line across a target, capture one cross-section of 3D data, and rely on the target moving past the sensor (on a conveyor, under a robot, on a rotary stage) to build up a full 3D point cloud one slice at a time. This works perfectly for high-throughput inline inspection where motion is built into the production flow.

The Gocator 3210 is different. It projects a structured light pattern - a precisely shaped LED projection rather than a single line - across its entire field of view. Two cameras simultaneously image the structured pattern from different angles, and the sensor triangulates the full 3D scene from the deformation of the pattern across the target. Each scan captures a complete 3D dataset of the entire FOV in one shot, with no motion required.

The 3210 is also fully Universal Robots certified for cobot-mounted applications - giving collaborative robots the ability to perform 3D inspection at every station along an assembly process without dedicated fixturing.

Key Features

• Single-snapshot 3D capture - no motion, no encoder, no conveyor required
• 2 megapixel stereo camera with structured light triangulation
• Industrial blue LED projector at 465 nm - rated for 10 years of continuous operation
• 100 x 154 mm field of view at the far edge of measurement range
• 110 mm measurement range
• 164 mm clearance distance
• 35 micron VDI/VDE accuracy across the measurement volume
• 4 Hz scan rate - capture a complete 3D scene every 250 milliseconds
• Z repeatability of 4.7 microns
• XY resolution from 60 to 90 microns across the measurement range
• Universal Robots certified for cobot-mounted inspection
• No moving parts in the optical assembly - no scanning mirrors, no rotating components, no maintenance schedule for mechanical wear
• Vibration-immune - the snapshot captures the target faster than industrial vibration affects it
• Onboard hardware acceleration with dual-core embedded controller
• Browser-based GUI for setup and configuration - no installed software
• Open-source SDK for integration with custom applications, PLCs, robots, and image processing libraries
• IP67 aluminum housing, vibration and shock resistant for factory floor deployment
• Compatible with the GoMax Smart Vision Accelerator and GoPxL Anomaly Detector for AI-based defect detection

Gocator 3210 Specifications

The Gocator 3210 uses LED structured light - not a laser - so it does not carry a laser class designation. The 465 nm blue LED projector is eye-safe at normal working distances and does not require the laser safety controls associated with Class 2, 3R, or 3B laser sensors.

Stocked Part Number

Why LED Structured Light Beats Laser for Snapshot Applications

Single-line laser sensors cannot capture a full 3D scene in a single shot - they only see one line at a time. To get a full 3D capture without motion, you need either a laser line that sweeps across the scene (which takes time and requires precise motion control) or a structured light approach that floods the entire scene with a pattern simultaneously.

The Gocator 3210 uses the second approach with an industrial blue LED projector at 465 nm. Unlike laser-based snapshot alternatives, the LED projector:

• 10 years of continuous operation - LED service life dramatically exceeds laser diode lifetime, eliminating routine bulb replacement and recalibration cycles.
• No laser safety classification required - eliminates the interlocks, key controls, beam attenuators, and posted warnings that Class 3R and 3B laser sensors require. Significantly simpler integration into collaborative cells and operator-accessible workstations.
• Uniform illumination across the FOV - structured light patterns are more uniform than a swept laser line, producing more consistent 3D data quality across the entire field of view.
• Blue 465 nm wavelength - works well on a wide range of factory materials, including the painted automotive panels and metallic surfaces the 3210 was designed for.

Industries and Applications

Software, Integration, and Networking

• Browser-based configuration GUI - set up the sensor, build measurement tools, and visualize real-time 3D data from any device with a web browser. No installed clients to manage.
• Onboard measurement tools - run gauging, geometric, and feature-extraction tools directly on the sensor without an external PC.
• Open-source SDK and native drivers - integrate with your application, robot, or PLC using C-based libraries supported across every Gocator model.
• Universal Robots certified - direct cobot integration with UR3e, UR5e, UR10e, and UR16e robots through certified URCap.
• Compatible with GoMax Smart Vision Accelerator for offloaded point cloud processing. Note that GoPxL can accelerate only a single G3 snapshot sensor per GoMax unit.
• Compatible with the GoPxL Anomaly Detector for AI-based surface defect detection on the 3D point cloud generated by each snapshot.
• Free Gocator Emulator for offline development and validation in a virtual sensor environment.

Compatible Accessories

Round out your Gocator 3210 deployment with factory-correct hardware available through Automation Distribution: LMI Cordsets for power, I/O, and Ethernet; the GoMax Smart Vision Accelerator for offloaded point cloud processing and AI inference; and the GoPxL Anomaly Detector for AI-based defect detection on snapshot 3D data.

Frequently Asked Questions

What is the Gocator 3210 used for?

The Gocator 3210 is LMI Technologies' large-field-of-view 3D smart snapshot sensor, used for inline inspection of large automotive components and body assemblies, cylinder head inspection, robot-mounted scanning on Universal Robots cobots, pick-and-place verification, volume measurement, bin picking and robot guidance, vibration-sensitive environments, and collaborative workstations. The 3210 captures a complete 3D point cloud of its 100 x 154 mm field of view in a single 250 ms snapshot - no motion required. View the Gocator 3210 at Automation Distribution.

What is a snapshot sensor and how is it different from a laser line profiler?

A snapshot sensor captures the entire 3D field of view in a single frame, with no motion required. A laser line profiler captures one cross-section per scan and relies on the target moving past the sensor to build up a 3D point cloud. Snapshot sensors are the right choice when the target is stationary, when a robot moves the sensor to the part, or when vibration would corrupt a motion-based laser scan. Line profilers are the right choice for inline conveyor inspection where motion is built into the production flow and higher scan rates are required.

Why does the Gocator 3210 use an LED instead of a laser?

The 3210 needs to project a structured light pattern across its entire field of view, not just a single line. An industrial blue LED projector accomplishes this more effectively than a laser. The LED approach delivers four real advantages: 10-year continuous operation lifetime (versus laser diode lifetime measured in thousands of hours), no laser safety classification required (no interlocks, key controls, or posted warnings needed), uniform illumination across the entire FOV, and elimination of the laser speckle artifacts that complicate triangulation algorithms. The 465 nm blue wavelength is eye-safe at normal working distances.

Is the Gocator 3210 a laser sensor?

No. The Gocator 3210 uses an industrial blue LED (465 nm) structured light projector, not a laser. It does not carry a laser class designation (Class 2, 3R, 3B) and does not require the laser safety controls associated with laser-based Gocator sensors. The LED is eye-safe at normal working distances, simplifying integration into collaborative cells and operator-accessible workstations.

How fast does the Gocator 3210 scan?

The 3210 captures one complete 3D snapshot every 250 milliseconds (4 Hz). Each snapshot is a full 3D point cloud of the entire 100 x 154 mm field of view. This is much slower than laser line profilers (which can scan thousands of profile lines per second) but represents complete 3D data per scan rather than one slice per scan. For stationary part inspection and robot-mounted scanning, the 4 Hz rate is more than sufficient for most cycle time requirements.

Is the Gocator 3210 Universal Robots certified?

Yes. The Gocator 3210 is certified for use with Universal Robots cobots through LMI's URCap integration. This allows direct mounting of the sensor on UR3e, UR5e, UR10e, or UR16e cobot end effectors with standard URCap programming - no custom driver development required. The 1.7 kg sensor weight is well within the payload capacity of all current UR cobot models.

Can I network multiple Gocator 3210 sensors together?

Yes. Multiple 3210 sensors can be deployed for simultaneous multi-station inspection - for example, multiple cylinder heads on a single engine block, or multiple inspection points on a large automotive assembly. Standard Gocator multi-sensor networking handles synchronization, triggering, and data aggregation. Note that the GoMax accelerator supports only a single G3 snapshot sensor per GoMax unit - multi-snapshot deployments require either one GoMax per sensor or processing on the sensors themselves without acceleration.

Does the Gocator 3210 work with GoPxL Anomaly Detector?

Yes. The 3210 is in the G3 sensor family and is fully compatible with the GoPxL Anomaly Detector when accelerated by a GoMax. Train AI defect detection models on real production scan data, deploy onboard GoMax, and run inference on every snapshot. The combination is particularly powerful for automotive cosmetic inspection where the 3210's wide FOV and the Anomaly Detector's AI defect identification complement each other.