Fluorescence Spectrophotometer FS-A11

The Fluorescence Spectrophotometer FS-A11 is a high-performance instrument featuring a 150 W Xenon Lamp to ensure ample light intensity signals for sensitivity detection. Engineered to maintain optimal accuracy, it boasts characteristics such as ultra scanning speed, ultra-high resolution, and ultra-high wavelength accuracy to fulfill a wide range of measurement requirements. Additionally, the instrument offers the capability to measure quantum yield, enhancing its versatility and utility in fluorescence analysis.

Excitation Source150 W Xenon Lamp
Excitation Wavelength200 nm to 900 nm
Excitation Slit1 nm, 2 nm, 5 nm, 10 nm, 20 nm
Emission Slit1 nm, 2 nm, 5 nm, 10 nm, 20 nm
Wavelength Accuracy± 0.4 nm
Wavelength Repeatability≤ 0.2 nm
Signal-to-Noise RatioS/N ≥ 350 (P-P), S/N ≥ 1000 (RMS)
Limit≤ 5 × 10 -11 g /ml(Quinine Sulfate Solution)
Linearityγ ≥ 0.995
Peak Repeatability≤ 1.5 %
Wavelength Scan SpeedMulti-speed Level, Maximum at 60000 nm / min
Minimum sample size0.5 mL (Using a standard 10 mm square sample cell)
Octave filterBuild in Octave filter
Photometric Quantity Range-9999 to 9999
Response TimeAuto adjust (0.02 s, 0.1 s, 0.5 s, 1 s, 2 s, 4 s, 8 s )
Data TransportationUSB 2.0
Power200 W
Power SupplyAC 220 V / 50 Hz, 110 V / 60 Hz
Dimension610×460×365 mm
Net Weight21 kg
Gross Weight26 kg

  • Horizontal slit optical design ensures finite luminous detection efficiency and high SNR
  • Water Raman peak SNR better than 350:1 (P-P) or 1000:1 (RMS)
  • Standard 10 mm square sample cell with a minimum sample volume of 0.5 mL
  • Flexible wavelength scanning speed reaching up to 60000 nm/min
  • Adjustable bandwidth feature
  • Accessories available for Fluorescence Quantum Yield measurements
  • Versatile software offers functions like fluorescence 3D scanning, equal wavelength difference synchronous scanning, and equal wavenumber difference (constant energy difference) synchronous scanning
  • Synchronous scanning function requires pro version software
  • Multiple accessories provided
  • 150 W Xenon Lamp ensures best quality assurance by providing sufficient light intensity signal for sensitivity detection
  • Unstable samples are analyzed via built-in optical gate and built-in frequency filter

These spectrophotometers have broad applications in various fields such as material research, drug analysis, biochemical studies, scientific research, clinical testing, water quality control, food safety testing, and other areas involving both quantitative and qualitative analysis.


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