Beckman LS 6500 Scintillation Counter

Improved counting efficiency of dry scintillant
Can be programmed to accurately count dry samples
Advanced components make the LS 6500 fast and efficient
32,768 Channels Multichannel Analyzer
Advanced Photomultiplier Design
Interlocking Lead Shielding
Windowing User Interface
User-Selectable Output Format

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Complete Product Description

The Beckman LS 6500 Liquid Scintillation Counter offers flexibility that is unparalleled in a single high performance system. The LS 6500 can function independently of an external computer.

The LS 6500 has a 32,768 channel multichannel analyzer which 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.

Program selection is accomplished through the use of command cards.

Counting single racks without command card (under interrupt in the Multi Task menu), single photon counting, and dual label studies. Entering user programs involves selection of isotopes to set spectrometer windows rather that actual window energies. Thus, if you wish to count tritium in channel 1 you would select 3H for isotope one (actually this is the default). If you wish to manually set the window you may do so by entering Manual in this field. Please refer the the manual for detailed instructions. It is important to note that if are doing a dual labeling study you should choose Isotope 1 as the lower energy isotope and Isotope 2 as the higher energy isotope. The lower limit for Isotope 2 is set the same as the upper limit for Isotope 1. Don't define multiple isotopes in singlely labeled studies as it will result in lowered counts.

All-In-One
High Performance
Simple
Versitle

The LS 6500 Scintillation Counting System combines advanced technology, accuracy and configurability to meet your exact requirements. The unique design even allows features to be added at a later date. Beckman Coulter offers unparalleled flexibility in a single system and a partnership that begins before system installation and continues throughout the lifetime of your instrument.

The 32,678 channel analyzer delivers an effective resolution of 0.06 keV, providing the basis for accurate results across a wide variety of samples. H-Number Plus – The patented H-Number Plus external quench monitor provides accurate DPM calculations and Automatic Quench Compensation that is independent of sample volume or cocktail composition. It is also the basis for instrument calibration, color detection and correction, two-phase monitoring, unquenched window determination and multi-label DPM quench curves.

It is more than just an easy to use interface. Take the sample racks on the LS 6500 for example – they are simple, plastic racks with no moving parts or “trap doors.” That is because the LS 6500 raises its samples up into the sample chamber, rather than lowering. This simple idea makes for a more reliable system and also prevents possible contamination of the sample chamber from dust or liquid residue. As for operating the LS 6500, the combination of easy-to-use menus, context-sensitive help screens and up to 50 user programs can turn the LS 6500 into a one-button system – simply add your racks to the sample chamber and press “Start”.

Our popular System Plus and System Advantage models come pre-equipped with powerful analysis tools such as single and dual label DPM, our exclusive H-Number Plus quench monitor and Versa-Rack™ vial system (allows mixing of 20 mL and 7 mL vials). Or start with one of our base systems and add only the enhancement packs and features your lab needs. You can even add features at a later date.

Additional functionality for the 6500 include improved counting efficiency of dry scintillant (eg ReadyCaps). The 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. A reversible belt carrier system that allows for more convenient recounting of samples. The LS 6500 guides the user with easy-to-follow menus and context-sensitive help screens. Only the Model 6500 can be programmed to accurately count dry samples, such as the Beckman Coulter ReadyCap