3D Guidance drive BAY

TM

Class 1, Type B Applied Part

Electronics unit tracks

multiple sensors simultaneously

Track Objects with Passive Magnetic DC Technology

Fast, dynamic tracking ­ as many as 420

Interchangeable

updates per second.

sensor sizes for

full six degrees-

Miniaturized passive sensors ­ outputs

of-freedom

tracking

immune to "power-line" noise sources.

Compact packaging ­ electronics

conveniently fit into drive bay of your PC.

All attitude tracking ­ no inertial drift

or optical interference.

High metal immunity ­ no distortion from

non-magnetic metals.

Magnetic field transmitter options for mid and short-

range tracking

FAST

VERSATILE

AFFORDABLE

3D Guidance drive BAY

FEATURE

Technical

BENEFITS

Metal

tolerant

80% less distortion due to non-magnetic

Sensor Configurations

Model 800 (8.0 mm), Model 180 (2.0 mm)

conductive metals compared to AC

Model 130 (1.5 mm)

magnetic trackers. Outputs unaffected by

Degrees of Freedom

6 (Position and Orientation)

composite materials. Capable of driving

Update Rate

Up to 420 updates/second for each sensor

errors induced by highly conductive

(Default: 240 updates/second)

metals (such as aluminum) to zero by

Translation Range

M O D E L 800 SENSOR

adjusting measurement rate.

· Mid-Range Transmitter: 78 cm (31 inches)

· Short-Range Transmitter: 46 cm (18 inches)

· Better dynamic performance over

Advanced new

MODEL 180 SENSOR

longer ranges.

magnetic technology

· Mid-Range Transmitter: 58 cm (23 inches)

and signal processing

· "Power-line" noise filtered out.

· Short-Range Transmitter: Contact Ascension

for latest test results.

Clear line-of-sight between transmitter

Occlusion and

MODEL 130 SENSOR

and sensor(s) is not required.

drift free

· Mid-Range Transmitter: 46 cm (18 inches)

· Short-Range Transmitter: Contact Ascension

New lightweight coil set can be mounted

Body mountable

for latest test results.

on head or body.

transmitter

Angular Range

All Attitude: ± 180° Azimuth & Roll, ± 90° Elevation

Self-diagnostics and run-time monitoring

Onboard diagnostics

Static Accuracy*

Position: 1.4 mm (0.055 inch) RMS

for improved tracker reliability and safety.

Orientation: 0.5° RMS

*Higher accuracies achievable in smaller tracking

XP/Pro and XP embedded compatible

Software support

volumes.

*Accuracies vary depending on specific

with SDK and sample programs. API with

transmitter-sensor configurations.

expert support facilitates incorporation

Static Resolution

Position: 0.5 mm (0.02 inch) at 30.5 cm

into user applications.

Orientation: 0.1° at 30.5 cm

Outputs

X, Y, Z positional coordinates, orientation angles,

orientation matrix or quaternions

Interface

USB 1.1 and 2.0

Data Format

Binary data records

Communication

Windows API and Drivers

Physical

Electronics Unit

20.0 cm (7.8 inch) x 14.7 cm (5.8 inch) x 4.1 cm (1.6 inch)

Tracker electronics fit

metal box fitting into a 13.3 cm (5.25 inch) PC drive bay

into the drive bay of a

Transmitters

· Mid-Range: 9.6 cm (3.8 inch) cube

PC chassis and uses its

with 3.3 m (10.8 ft) cable

· Short-Range: 6.27 cm (2.5 inch) x 4.6 cm

power. No power

(1.8 inch) x 5.2 cm (2.1 inch) with 3.3 m (10.8 ft) cable

supply required.

Passive Sensors

M O D E L 800 : 8 mm (.31 inch) X 20 mm (0.78 inch)

with 3.3 m (10.8 ft) cable

MODEL 180 : 2 mm (0.07 inch) X 9.7 mm (0.38 inch)

with 2 m (6.6 ft) cable

Regulatory Certifications

MODEL 130 : 1.5 mm (0.05 inch) X 7.7 mm (0.30 inch)

with 2 m (6.6 ft) cable

· Class I Medical Device with Type B Applied Part (Sensors), EN60601-1 Compliant.

Model 180 & 130 only:

· RoHS and WEEE compliant.

· Ascension Medi-Mag Cable, USP class 6 jacket material.

· USP class 6 sensor housing.

· Medical users must comply with all pertinent FDA/CE/IRB certifications prior to using

· Sensor assembly and cable materials are EtO and cold

this device in human patients.

sterilant tolerant. Warning: Semiconductor devices in

Note on Accuracy

sensor connector are not gamma shielded and may

be damaged or erased if exposed to gamma radiation

Accuracy is defined as the root mean square (RMS) deviation of a true measurement of

and/or autoclaving.

the magnetic center of a single sensor with respect to the magnetic center of a single

· Sensors and cable assemblies are fragile components

transmitter measured over the specified translation range. Accuracy varies from one

and must be sheathed, isolated and safeguarded prior

location to another over this range and will be degraded if there are interfering

to use in patients.

electromagnetic noise sources or metal in the operating environment, which have not

Power

Drawn from PC's power supply through rear panel

been identified and minimized.

connector.

+ 12V: 1.6A nominal; 2.9A maximum

+ 5V: 600mA nominal

Operating Temperature

5°C to 40°C; 90% non-condensing humidity

Environment

Ferromagnetic objects and stray magnetic fields in the

operation volume may degrade performance. Contact us

for assistance in using our Optimization Tools to

minimize metallic distortion and noise interference.

© 2008 Ascension Technology Corporation / 3D Guidance driveBAY is an Ascension Trademark 2/08

www.ascension-tech.com | P.O. Box 527 | Burlington, VT 05402 USA | (802) 893-6657 | USA: (800) 321-6596