The Zebra 3S Series is a high-resolution industrial 3D sensor range for dimensional measurement, quality inspection, parcel dimensioning and robotic guidance. Using structured-light scanning, the 3S40 captures stationary scenes, while the 3S80 captures moving objects for conveyor inspection and automated handling.
The 3S Series captures a point cloud: a set of measured coordinates representing an object’s visible surfaces in three dimensions. Inspection software can use this data to measure geometry, identify deformation or locate parts for robotic handling.
Structured-light sensing projects a known pattern onto the scene and calculates depth from the observed pattern. Within machine vision systems, this provides height and shape information for tasks that cannot be resolved from colour, contrast or a flat image alone.
Choose the 3S40 when the scene can remain stationary throughout capture. Choose the 3S80 when objects must be scanned in motion, then select its size variant around the working distance and required coverage.
| Specification | 3S40 | 3S80 |
|---|---|---|
| Scene type | Stationary objects and scenes | Dynamic scenes and moving objects |
| Sensing technology | Structured light | Parallel structured light |
| Point-cloud resolution | 1440 × 1080; approximately 1.5 million points | 1680 × 1200; up to 2 million points |
| Published scan time | 450 ms | 45 ms |
| Scanning distance | 870–2150 mm | 3S80-4S: 366–558 mm 3S80-4M: 497–939 mm 3S80-4L: 778–3034 mm |
| Data connection | 1 Gbit Ethernet | 1 Gbit Ethernet |
| Bundled software | Aurora Design Assistant or Aurora Vision Studio | Aurora Design Assistant or Aurora Vision Studio |
These scan times describe acquisition, not the complete inspection or robot cycle. Data transfer, processing and machine response must also fit the available cycle time; conveyor suitability requires validation at the intended speed.
Scanning distance is the sensor-to-object range, not the width of the captured area. Check the field of view at the intended mounting position, including the nearest and furthest surfaces of the largest object.
Zebra specifies sub-millimetre resolution and accuracy for the series, but the achievable result must be checked for the selected model, distance and application. Point-cloud resolution describes the number of sampled points; it does not establish the accuracy of a finished dimensional measurement.
The 3S Series suits applications where a decision depends on physical shape, height or spatial position. Typical tasks include:
For label verification, code reading or presence checks that can be resolved from a 2D image, consider the Zebra VS40 Machine Vision Smart Camera. Select 3D sensing when the inspection needs measured depth or geometry.
Zebra identifies high-gloss, translucent and transparent objects as potential applications. Suitability still needs sample testing: surface finish, lighting, viewing angle and working distance affect whether the required features produce usable 3D data.
Test representative good and defective parts under production conditions. Check coverage of recesses, edges and overlapping objects, as hidden surfaces may require another viewpoint. For tolerance inspection, validate measurement repeatability and accuracy against a suitable reference before setting acceptance limits.
Each 3S Series model is bundled with either Aurora Design Assistant or Aurora Vision Studio. Design Assistant provides a flowchart-based development environment; Vision Studio supports graphical development of machine vision applications. Confirm the supplied software package, development and runtime licence entitlements, and host-computer requirements in the quotation.
The sensor supplies 3D data; the inspection application must define measurements, acceptance rules and communication with the production system. Where deep-learning tools are required, confirm the selected software’s capabilities and licensing rather than treating them as a built-in sensor function.
Plan the 1 Gbit Ethernet connection, acquisition timing, processing capacity and PLC or robot interface together. Robot guidance also requires calibration between sensor coordinates and the robot’s coordinate system. Confirm the exact model’s power supply, connectors, dimensions, protection rating and operating-temperature limits before finalising the installation.
A fixed 3S40 could capture a pallet while the scene remains stationary. Software would locate accessible box surfaces and convert candidate pick positions into robot coordinates. The application would then check reachability and gripping requirements before commanding a pick; these decisions require configuration beyond point-cloud capture.
MarvelTech supports machine vision and production automation projects, including equipment and software maintenance. For a 3S Series enquiry, the application review can address model selection, mounting distance, inspection requirements and integration with the existing automation system.
The quotation should identify the sensor variant, bundled software and licences, required computing hardware, power and data accessories, mounting arrangements, and agreed integration and support work. Zebra publishes a one-year hardware warranty from shipment, subject to its warranty terms; request confirmation of availability, delivery lead time and project support coverage with the quote.
Request a 3S Series quotation with the following details:
Choose the Zebra 3S Series when an inspection needs measured height, depth or surface geometry, such as checking assembly height, dimensioning parcels or locating objects for picking. Its structured-light technology produces a point cloud representing visible surfaces. If the decision only requires label inspection, barcode reading or a visible presence check, consider the Zebra VS40 machine vision smart camera.
The 3S40 uses sequential structured light for stationary scenes, while the 3S80 uses parallel structured light to capture moving objects. Choose around whether the object and sensor can remain stationary relative to each other during acquisition. A pallet captured between robot movements may suit the 3S40; uninterrupted conveyor inspection requires evaluating the 3S80 at the intended operating speed.
Select the variant by scanning distance, field of view and required detail. Zebra lists scanning ranges of 366–558 mm for the 3S80-4S, 497–939 mm for the 3S80-4M and 778–3034 mm for the 3S80-4L. These are sensor-to-object distances, not image widths. Check that the largest object and its nearest and furthest surfaces fit the scanning volume at the proposed mounting position.
No. Zebra’s published 450 ms scan for the 3S40 and 45 ms scan for the 3S80 describe acquisition, not a complete inspection cycle. Acquisition settings, data transfer, software analysis and controller response also affect throughput. Specify both the required inspections per second and the deadline for each result, then assess the configured system using representative objects and production motion.
No. Point-cloud resolution describes the number of sampled points; it does not establish measurement accuracy. Performance also differs by model and scanning mode: Zebra lists 1.25 mm calibration accuracy for the 3S80-4L in dynamic mode, expressed as one standard deviation rather than a maximum error. For tolerance inspection, validate measurement error and repeatability across the required working volume using reference parts.
These are potential applications identified by Zebra, but suitability depends on the actual material and setup. Test representative finishes, colours and thicknesses under production lighting, checking whether critical edges and surfaces produce usable depth data. A recognisable overall point cloud is insufficient if the particular feature needed for measurement or gripping is missing or unstable.
The sensor provides 3D scene data; the application must identify a usable pick position and relate sensor coordinates to robot coordinates through calibration. A complete machine vision system for robot guidance also needs compatible control software and communication. Assess hidden gripping surfaces, overlapping objects, robot reach and gripper clearance, since capturing a point cloud alone does not establish a feasible pick.
Zebra lists Aurora Design Assistant or Aurora Vision Studio as the bundled software options. Design Assistant uses flowchart-based development; Vision Studio provides graphical tools for building vision applications. Specify the required package in the quotation and confirm development and runtime entitlements, host-computer requirements and any deep-learning functions. The inspection measurements, acceptance rules and automation communications still require application configuration.
Plan a 1 Gbit Ethernet connection, a compatible processing computer, rigid mounting and the appropriate power and data accessories. Ethernet connectivity alone does not establish compatibility with your PLC or robot: the application software and controller interface must work together. Confirm connector types, cable lengths, trigger wiring and the accessories supplied with the exact sensor kit before finalising the installation.
Zebra specifies an overall operating range of 0–40°C and an optimal scanning-performance range of 22–25°C. Its installation guidance also requires the device to reach a stable operating temperature. For dimensional inspection, allow for warm-up and evaluate measurement stability under the expected factory conditions; operation within the permitted temperature range does not establish identical measurement performance throughout that range.
Provide object dimensions, materials, surface finishes, required measurements and tolerances, plus sample images or parts. Include conveyor speed or stationary capture time, mounting space, working distance, operating conditions and PLC or robot details. Ask the quotation to identify the sensor variant, software licences, computing hardware and accessories, with the scope of integration and maintenance support agreed separately.
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