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LS 6500 Scintillation Counters combine advanced scintillation technology, configurability to meet your exact requirements and built-in upgradability to add features as you need them. Beckman Coulter offers unparalleled flexibility in a single high performance system, without the need of a dedicated external computer, and a partnership with you that begins with system installation and continues throughout the lifetime of your instrument.

The Basic System

The LS 6500 Liquid Scintillation Counting systems provide:

*
Advanced Technology
State-of-the-art instrument that eliminates early obsolescence by integrating the counting system, computer power and data management.
* Configurability
Enhancement packs and single options let you tailor the system to meet your specific requirements.
* Upgradeability
Add features and future enhancement packs throughout the lifetime of the system if your applications change.

State-of-the-Art Design...
Advanced electronic components, such as a Motorola 68000 Series microprocessor supported by a digital signal processor, maximize technological lifetime and make the LS 6500 fast and efficient.

High Spectral Resolution...
A 32,768 channel multichannel analyzer gives you an eight-fold improvement in effective resolution (0.06 keV per channel) over that of conventional liquid scintillation counters (0.5 keV per channel). This provides the basis for:

* DPM results without quench curves
* A more precise quench monitor
* Superior results for multi-label studies
* Automatic color detection and correction

Accurate Results...
Our patented H-Number Plus is standard in LS 6500 Value Systems and represents a significant improvement in accuracy and reproducibility. Quench is determined to a tenth of a channel.

...and Simple Operation
The LS 6500 guides you with ease-to-follow menus and context-sensitive help screens. Operate the system without an external computer. Store and transfer data securely with the optional Data Buffer & Transfer System.

Product Features

LS 6500 Scintillation Counters include many innovative standard features, designed to satisfy common requirements without the need for additional options. To meet specific application requirements, the systems can be easily customized with attractively priced Enhancement Packs and/or Single Options.

Electronics

* 32,768 Channels Multichannel Analyzer
* Advanced Photomultiplier Design
* Interlocking Lead Shielding
* Fast/Slow Component Pulse Analyzer
* Motorola Host Processor & Digital Signal Processor

User Interface and Output

* Monochrome or Color Monitor
* Windowing User Interface
* Context-Sensitive Help Screens
* User-Selectable Output Format

General

* Automatic Power-Up Diagnostics
* Automatic Calibration and Verification
* Diagnostics Program
* Permanent Memory
* Versa-Rack* (336 standard vials and 648 miniature vials)
* Automatic Batch Repeat
* Bi-Directional Sample Changer
* Positive Sample Identification
* Electrostatic Controller

Instrument Editing

* 20 User Programs
* Program Protection
* Isotope Library
* Auto-Isosetâ„¢
* Interrupt Mode
* Instrument Parameters Window

Sample Monitors

* H-Number Plus*, External Standard Quench Monitor
* IC Number, Sample Activity Quench Monitor
* Random Coincidence Monitor (Chemiluminescence)
* High Count Terminator

Basic Calculations

* Fixed Background Subtraction
* First-Vial Blank Subtraction
* Half-Life Correction to Any Date
* Final Result Normalization
* Repeat and Replicate Averaging with %CV
* Single-Label % of Reference

for more information please visit : (http://www.beckmancoulter.com/products/instrument/analytical/scintillation/ ls6500_countingsystems_inst_dcr.asp)