污水處理設備 污泥處理設備 水處理過濾器 軟化水設備/除鹽設備 純凈水設備 消毒設備|加藥設備 供水/儲水/集水/排水/輔助 水處理膜 過濾器濾芯 水處理濾料 水處理劑 水處理填料 其它水處理設備
福州精科儀器儀表有限公司
福州精科儀器儀表有限公司
QuantulusGCT6220是一種用于超低級別靈敏度的液體閃爍計數器，更輕便的臺式空間適合任何實驗室
Quantulus GCT 6220 是一種用于超低級別靈敏度的液體閃爍計數器，更輕便的臺式空間適合任何實驗室。它具有的靈敏度，對低水平Alpha和Beta放射性具有的檢測能力。
The Quantulus GCT 6220 liquid scintillation counter is a fully loaded benchtop instrument with unsurpassed performance for measuring man made, cosmic and other natural radionuclides. Patented GCT technology combined with BGO guard background reduction accurately measures to near-background levels. Proprietary Dual PSA Discriminator and PSA Histogram improves accuracy for mixed and unknown samples.
Exclusive Standard Features
? Patented Bismuth Germanium Oxide (BGO) and Guard Compensation Technology (GCT) enhances discrimination against background yielding the highest E2/B values available in a multipurpose liquid scintillation counting system
? TR-LSC (Time-resolved Liquid Scintillation Counting) for high sensitivity, low background liquid scintillation counting
? QuantaSmart™ Software a robust multitasking, easy networking environment with unlimited assays in a secure multiuser environment
? Alpha Beta Separation uses Dual PSA Discriminator and PSA Histogram to improve accuracy for mixed and unknown samples
? SpectraWorks 2 spectral analysis package that determines optimal counting regions, and calculates figure of merit automatically
? Enhanced IPA (Instrument Performance Assessment) monitors performance metrics for the life of the instrument
? Replay reanalyzes sample counts without recounting samples
? Dynamic color correction ensures accuracy of tracking lower energy sample spectra over a wide quench range
? Auxiliary Spectrum Memory stores rejected events for future analysis
? Bi-directional sample conveyer with a capacity of up to 408 (20mL vials) or 720 (4 or 7 mL vials)
? Varisette™ sample cassette for intermixing vial sizes without special adapters
? Operational-status LED indicator for clear assay status updates at a glance
Additional Standard Features
? Luminescence Detection flags percent luminescence to alert user of possible sample problems
? Luminescence Correction adjusts for chemiluminescence interference
? Direct DPM determines single-label DPM in any cocktail without the use of quench standards
? Temperature Control maintains optimum conditions for a variety of samples
? 60 Quick Count protocol flags with the flexibility to define unlimited assays
? Fold-away ergonomic arm adaptable to enter data either sitting or standing
? Built in Computer with Windows 10 Operating System
Physical data
? Dimensions H/W/D 18.5/40.5/44 in (47/103/112 cm)
? Weight 523 lb (238 kg)
? Electrical requirements 100-240 Vac 50/60 HZ 3-prong grounded plug
Typical performance data
? Energy range: 0-2,000 keV
? Efficiency, Normal Count Mode (minimum acceptable):
3H (0-18.6 keV): 60%
14C (0-156 keV): 95%
? Figure of Merit (E2/B), Normal Count Mode:
3H (0-18.6 keV): 400
14C (0-156 keV): 1,0000
? Figure of Merit (E2/B), Super Low Level Count Mode (ULLCM):
3H (0-18.6 keV): 800
14C (0-156 keV): 6,000
? Observed 3H Performance with 10 mL H2O in 10 mL Ultima Gold LLT and Plastic Vials with GCT high E2V2/B > 131,000 or more
? Observed 14C Performance for 11 mL Bioethanol Samples in 9 mL Ultima Gold F in Plastic Vials with GCT high: E2V2/B > 1,030,000 or more
Note: The efficiencies, backgrounds, and E2 /B values for the Normal Count Mode were determined using PerkinElmer sealed large vial glass standards set P.N. 6008500 verified with NIST standard activity. Super Low Level Count Mode Values are determined using low level sealed large glass standards P.N. 6018914 verified with NIST standard activity. No maximum is specified for background.
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