April 20, 2006
Tualatin, Oregon USA

The LT360™ is a rugged precision turntable designed for professional polar measurement applications. It offers high precision, high strength, advanced interfaces and control capabilities, all at an affordable price.

“After two long years of development, we are pleased to announce that we are now finally shipping LT360 units” said Chris N. Strahm, President of Research & Development for LinearX. “We’ve had a large number of patient customers waiting for these for quite sometime now, so we are pleased the orders are now being filled”.

The LT360 utilizes two embedded controllers, one 32 Bit ARM-7 main processor, and a second 8 Bit processor dedicated for the USB interface. Five different universal interface methods are supported serving any automation environment including: USB, RS-232, TTL Pulse, Analog Input, and the manual button interface. The LR360 module is also available for remote manual control at a distance.

"We wanted to provide a modern turntable with both strength and precision, offering universal interface methods.”, continued Strahm. "With the recent growing interest in polar measurements for contracting and sound reinforcement, it seemed like the time had come for a modern professional grade product to meet these needs."

Two Different Models
The LT360 is being offered in two models: a Standard ($1995) model, and a HiTorque ($2495) model. The Standard model produces 49 Newton•Meters of torque, and the HiTorque model produces 76 Newton•Meters, at the platter. Both models feature a universal worldwide PFC power supply operating from of 85-265VAC. Advanced microprocessor controlled acceleration profiles enable horizontal load capabilities of 1660 Ft•lbs for the Standard, and 2580 Ft•lbs for the HiTorque model (at typical 1 RPM operating conditions).

Pre-tapped mount points are provided both on the platter and base for attachment of brackets, flanges, jigs, and other rigging. The LT360™ can be mounted in any orientation for maximum flexibility. Advanced user control is conveniently achieved by using RS-232 or USB communication. A general purpose Win32 application program is provided, or the user can quickly create their own custom applications using either a Win32 DLL software interface, or by direct RS-232 programming. Full product information can be viewed/downloaded from our web site at www.linearx.com, or contact sales@linearx.com for more details.

Applications
• Polar Field Acoustic Measurements: Loudspeakers, Microphones, Enclosures
• Polar Field EMI & RFI Measurements:..Antennas, Radiated EMI/RFI Testing
• 3D Model Scanning, Laser positioning
• Industrial Automation & Process Control
• Sales/Marketing & Trade Show Displays

Features & Capabilities
• Heavy Duty, Rugged, Reliable Construction
• Precise, Repeatable, Rotational Control
• Resolution of 0.1°, Accuracy of 0.05°
• Large Axial Bidirectional Load Handling
• Large Radial or Off-Center Load Handling
• High Torque with Programmable Capability
• Stable Low Profile Square Base Foot Print
• Machined Aluminum Cast Platter & Base
• Irreversible Drive, Platter Position Locked
• Programmable Velocity 0.3RPM - 3RPM
• 32 Bit ARM-7 Microprocessor
• Controlled Acceleration/Deceleration
• Precision Worm Gear Drive System
• Microstepping Stepper Motor Control
• 5 Control/Input Methods:
.......• Manual Front Panel Controls
.......• USB Computer Interface
.......• RS-232 Computer Interface
.......• Digital TTL Pulse per Step
.......• Analog Position Control Voltage
• 4 Readout/Output Methods:
.......• Manual LED Display
.......• USB Computer Interface
.......• RS-232 Computer Interface
.......• Analog Position Control Voltage
• Resettable Zero Origin Reference
• Recessed Control/Connection Surfaces
• Color Coded Push Button Grouping
• Operation in Any Position or Orientation
• User Mounting Holes on Platter & Base
• Center Through Hole for Cable Run
• All Metal Construction Steel/Aluminum
• All Ball Bearing Bushings, ABEC-1/3
• Universal 85-265VAC PFC Power Supply

###