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6850 Double Beam Spectrophotometer

6850 Double Beam Spectrophotometer


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Double beam spectrophotometer with highly stable optics
Variable spectral bandwidth 0.5, 1, 2, 4, 5nm
Integrated user interface
Conforms to European Pharmacopeia requirements
Jenway Prism PC software included as standard
Extensive range of accessories available

The new 6850 introduces the first double beam spectrophotometer with a variable spectral bandwidth into the Jenway range. The highly stable optics and two detectors measure the sample and reference simultaneously optimising measurement accuracy. The 6850 has measurement modes for photometrics, concentration, multi-wavelength, spectrum scanning, kinetics, quantitation, DNA/RNA and protein analysis.

Jenway Prism PC software is supplied as standard and offers additional functionality, extensive post-measurement tools, unlimited results saving and easy export of data. The 6850 is ideal for quality control, general research, pharmaceutical, biochemical and clinical laboratory applications.

Technical Specifications
Parameter 6850
Wavelength range 190 to 1100nm
Wavelength resolution 0.1nm
Wavelength accuracy ± 0.3nm (at 0.5 and 1nm bandwidth)
Wavelength reproducibility ±0.2nm
Spectral bandwidth Variable 0.5, 1, 2, 4, 5nm
Photometric range -0.3 to 3.0A, 0 to 200T
Photometric accuracy ± 0.002A (0-0.5A), ±0.3T (0-100T)
Photometric reproducibility ±0.001 Abs (0 to 0.5 Abs), ±0.002 Abs (0.5 to 1.0 Abs), 0.15T (0-100T)
Resolution 0.1T, 0.001A
Stray light 0.05T at 220 and 360nm
Noise 0.0005A
Stability ± 0.001Ah at 500nm after 15 min warm up
Multi-wavelength Up to 10 wavelengths, up to 20 wavelengths with PC software
Calculations Ratio, difference, formulae with factors
Spectrum range Any range between 190 and 1100nm
Scan speed 100 to 2000nm min
Scan interval 0.1, 0.2, 0.5, 1, 2 or 5nm
Kinetics Up to 12 hours with time intervals of 0.1, 0.2, 0.5, 1, 2, 5, 10 or 30 seconds
Analysis Slope and formula of line of best fit between any two points
Quantitation points Up to 3 wavelengths
Quantitation Calibration Blank with up to 10 standards or factor
Concentration range 0-99999
Calibration Blank with standards or factor
DNA DNA Ratio, concentration, A320 correction
Light source Tungsten halogen and Deuterium lamps
Lamp changeover 325 to 370nm selec table
Outputs USB and parallel
Operating system: Windows 2000, XP, Vista, Windows 7
Electrical supply 120VA, 220110V, 5060Hz
Size (w x d x h) 600 x 450 x 200mm (23.6 x 17.7 x 7.9in)
Weight 22 kg (48.4 lbs)

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