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Jenway (Cole-Parmer)

6850 Double Beam Spectrophotometer

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6850 Double Beam Spectrophotometer
  • 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 with preloaded methods for DNA/RNA and protein analysis, as well as extensive post-measurement tools, unlimited results saving and easy export of data.

The 6850 double beam spectrophotometer is ideal for quality control, general research, pharmaceutical, biochemical and clinical laboratory applications.

Parameter6850
Wavelength range190 to 1100nm
Wavelength resolution0.1nm
Wavelength accuracy± 0.3nm (at 0.5 and 1nm bandwidth) ± 0.5nm (at 2, 4 and 5nm bandwidth)
Wavelength reproducibility± 0.2nm
Spectral bandwidthVariable 0.5, 1, 2, 4, 5nm
Photometric range- 0.3 to 3.0A 0 to 200%T
Photometric accuracy± 0.002A (0- 0.5A) ± 0.3% T (0- 100%T)
Photometric reproducibility± 0.001 Abs (0 to 0.5 Abs) ± 0.002 Abs (0.5 to 1.0 Abs) 0.15%T (0- 100%T)
Resolution0.1%T, 0.001A
Stray light< 0.05%T at 220 and 360nm
Noise0.0005A
Stability± 0.001A/h at 500nm after 15 min warm up
Multi-wavelengthUp to 10 wavelengths, up to 20 wavelengths with PC software
CalculationsRatio, difference, formulae with factors
Spectrum rangeAny range between 190 and 1100nm
Scan speed100 to 2000nm/min
Scan interval0.1, 0.2, 0.5, 1, 2 or 5nm
AnalysisAuto peaks and valleys, zoom . Addition, subtraction, peak ratios, smoothing, area under curve, wavelength table, derivatives, overlay with PC software
KineticsUp to 12 hours with time intervals of 0.1, 0.2, 0.5, 1, 2, 5, 10 or 30 seconds
Quantitation pointsUp to 3 wavelengths
Quantitation CalibrationBlank with up to 10 standards or factor
Concentration range0- 99999
CalibrationBlank with standards or factor
DNA/ RNA and ProteinDNA/RNA Ratio, concentration, A320 correction
Light sourceTungsten halogen and Deuterium lamps
Lamp changeover325 to 370nm selec table
OutputsUSB and parallel
Operating system:Windows 2000, XP, Vista, Windows 7
Electrical supply120VA, 220/ 110V, 50/ 60Hz
Size (w x d x h)600 x 450 x 200mm
Weight22kg

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