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NDI 3D Investigator Motion Capture System
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From the makers of Optotrak® and Optotrak Certus®, comes the 3D Investigator™ Motion Capture System. Experience the quality you've come to expect from Northern Digital Inc. in an entry level, cost effective solution.     Online:
    'theblurb' is the promotional marketing literature provided for this product.

3D Investigator Motion Capture System
From the makers of Optotrak® and Optotrak Certus®, comes the 3D Investigator™ Motion Capture System. Experience the quality you've come to expect from Northern Digital Inc. in an entry level, cost effective solution. Combined with our new Smart Marker technology, 3D Investigator is the ideal solution for all your reseARCh needs.

The 3D Investigator motion capture system offers the following benefits and advantages:

No Data-Sorting
Spend research time doing reseARCh instead of data-sorting! The 3D Investigator will NEVER misidentify or lose identity of markers. This means that time consuming and error prone manual data sorting is never required. As soon as you have collected data from your subject, you are ready to start analyzing.

True Real-time Data
The 3D Investigator delivers true real-time data 100% of the time. The exceptionally low latency of this data makes it ideal for virtual reality and other feedback applications.

ReseARCh-Grade Data
The 3D Investigator provides exceptional spatial and temporal accuracy. You can be sure that 3D Investigator data is objective and accurate.

Competitive Pricing
Experience the quality you've come to expect from Northern Digital Inc. in an entry level, cost effective solution. Get the features you need today with the option of extending 3D Investigator in the future.

Instant Set-up
The 3D Investigator is factory calibrated using a proprietary manufacturing procedure exclusive to Northern Digital Inc. This means that you can collect data immediately after powering up your system. Even if you move your system, you can immediately begin operating it without the need for a lengthy and complicated calibration procedure.

No Reflections
The 3D Investigator is not hampered by false signals created by reflections, thus there is no need for any special preparations to your lab.

Backwards Compatible
Northern Digital Inc ensures that its existing customers can take advantage of new software and hardware features. We strive to ensure backwards compatibility of new features with previously developed systems.

Freedom from Wires
Optotrak Smart Markers, a unique inline wiring and branching technology, simplify experiment execution by providing complete freedom of movement for reseARCh subjects.

Included Software
Every 3D Investigator Motion Capture System comes with the NDI Optotrak Software package, which includes the following programs:
• NDI First Principles: provides an easy way to observe, record, play back, and manage data produced by 3D Investigator. First Principles also allows for easy integration of 3rd party devices, such as force platforms, EMG systems, eye-trackers, and many others.
• DataView: allows viewing of Optotrak motion capture data files by frame or by marker, as graph or text.
• 6D ARChitect: simplifies the tool characterization process, as well as the creation of tool defInition files.

Optional Software
The following are also compatible with the 3D Investigator Motion Capture System:
• Optotrak Application Programmer's Interface (OAPI) by NDI
• Visual3D™ by C-Motion
• Vizard™ by WorldViz
• Motion Builder® by Autodesk®
• Caren platform products by Motek
• Easy import into MatLab®
• Easy integration with LabView™ using OAPI

The following accessories are available for the 3D Investigator Motion Capture System.

Wireless Communication Accessories
Optotrak Smart Marker System - Freedom from Wires!

Get freedom from wires with the new Optotrak Smart Marker System. Enjoy fast and easy tangle-free set-up and an 80% reduction of wires needed for experiments, plus maximum freedom of movement!

Smart Marker
Small diameter and light weight - ideal for capturing human movement. Automatically and uniquely identified by the Optotrak System, eliminating the need to manually identify markers or sort data.

Smart Marker Hub
Used in combination with Smart Markers and other Smart Marker Hubs to create a marker configuration that is quick to set-up and repeat because it is immediately identified by the Optotrak System. The Smart Marker Hub is unique to Northern Digital Inc.

Wireless Strober
Eliminates wires between research subject and motion capture system, enabling your reseARCh subject to move freely. Incorporates a long-life battery that provides hours of run-time between charges. Use up to 50 markers per strober and up to 8 strobers per system.

Smart Marker Rigid Body
Lightweight and used to capture 6 degrees of freedom (6DOF) of body segments. Precalibrated to enable 'plug and play' recognition by system.

The Optotrak Smart Marker System is compatible with Optotrak and 3D Investigator systems.

Development Kits
Application Programmer's Interface (API)

The Application Programmer's Interface (API) allows you to control and collect data from your Optotrak system via a C programming language interface. The custom program may configure the Optotrak collection parameters, retrieve contiguous data blocks, and retrieve single frames of data in real time.

Tools and Markers
4 Marker Rigid Body

Provides 6 degrees of freedom (6DOF) tracking of body segments or objects. Pre-calibrated, with instant 'plug and play' recognition.

4 Marker Digitizing Probe
Provides ability to digitize objects or create "virtual markers" on body segments or objects. Pre-calibrated with instant 'plug and play' recognition.

Small Diameter Markers
7 mm diameter IRED markers with customizable cable lengths and RJH connectors.

Large Diameter Markers
11 mm diameter IRED markers with customizable cable lengths and RJH connectors. Large diameter allows for secure adhesion to body segments or objects using self-adhesive pads.

Marker Strober

Activates up to 24 markers attached to RJH connectors. Users may configure the activation order within software.

Tool Strober
Accommodates up to 4 tools with SROM files that are automatically recognized by the Tool Strober's 10-pin connectors. Each tool can have up to 20 markers, 3 switches and 4 visible LEDs.

3020 Strober Adapter
Allows Optotrak 3020 strobers to be used with the Optotrak Certus System. Supports up to 256 markers.

Data Acquisition Unit (ODAU)
The ODAU enables a synchronized collection of analog and digital data with the Optotrak position data. Preconditioned signals from devices such as EMG sensors, force plates, accelerometers, and strain gauges may be viewed in real-time and stored to data files for post hoc analysis. The ODAU utilizes a 16 bit converter to collect up to 16 single-ended input channels or 8 differential input channels. Feedback control to the subject/object of study may be achieved through the 8 digital I/O channels or 2 analog output channels.

Multiplexer for ODAU
The multiplexer increases the number of analog channels on the ODAU from 8 to 64.

BNC breakout box for ODAU
The BNC breakout box is used for integrating BNC equipped reseARCh equipment with the Opotrak ODAU and comes with a 50 pin ribbon cable.

Stands and Mounts
Vinten Stand

Base Stand

Wall Bracket

    'thefacts' is the simple factual description of the product provided for you by our technical experts.

NDI 3D Investigator Motion Capture System

    Detailed product specifications.
Spec NDI 3D Investigator Motion Capture System
3D Accuracy 0.4 mm
Marker Frequency 4600 Hz
Maximum Frame Rate 4600/(n+1.3)
Resolution 0.01 mm
Position Sensor
Measurement Volume Full Focus Measurement Volume
Dimensions (LxWxH) 1126 mm x 200 mm x 161 mm
Weight 18 kg
Mounting Options • Portable floor mount for 6DOF in Position Sensor orientation
• Wall mount for 2DOF in Position Sensor orientation
Maximum number of Position Sensors 8 (used simultaneously)
System Control Unit
Dimensions(LxWxH) 297 mm x 236 mm x 91 mm
Weight 3.4 kg
Strobers with System 2
Strober Ports 3
Stober Types • Wireless or wired marker strober
• Tool strober
• 3020 strober adapter
Markers & Rigid Bodies
Markers with System 30
Maximum number of markers 150
Maximum number of rigid bodies 50 (assuming 3 markers/rigid body)
Rigid body features • Provides 6 degrees of freedom (6DOF) tracking of body segments or objects
• Can incorporate "imaginary markers"
• Can be used for relative tracking (tracking one body part or object relative to another)
• Pre-calibrated rigid bodies available
• Custom rigid bodies can be built using 3-20 markers
Real-time Data Streaming to 3rd Party Software Optional
Integrated Video Plug-in Optional
Communication Protocol Ethernet, USB
Cross Platform Capability Communicates with all 3D Investigator products
Electrical Safety Approvals • IEC 61010-1"Safety requirements for electrical equipment for measurement, control, and laboratory use - Part 1: General requirements"
• CAN/CSA C22.2 NO. 1010.1 "Safety Requirements for Electrical Equipment for Measurement, Control and Laboratory Use - Part 1: General Requirements"
• UL 61010A-1 "Electrical Equipment For Laboratory Use; Part 1: General Requirements"
Electromagnetic Compatibility Approvals • IEC 61326 "Electrical equipment for measurement, control and laboratory use - EMC requirements"
• FCC Part 15, Subpart B, Class A Unintentional Radiators
• CISPR 22/EN 55022 Class A, Group 1 ITE equipment "Harmonized standard covers RF emissions standards for Information Technology Equipment (ITE)"
    Up-to-date price lists in your preferred currency.
Model USD
NDI 3D Investigator Motion Capture System Price on
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