V-780

Optical System	Czerny-Turner mount Single monochromator Fully symmetrical double beam type
Light Source	Halogen lamp, Deuterium lamp
Wavelength range	190 to 1600 nm
Wavelength accuracy	+/-0.3 nm (at 656.1 nm) +/-1.0 nm (at 1312.2 nm)
Wavelength repeatability	+/-0.05 nm (UV-Vis), +/-0.1 nm (NIR)
Spectral bandwidth (SBW)	UV-Vis: 0.1, 0.2, 0.5, 1, 2, 5, 10 nm NIR: 0.2, 0.4, 0.5, 1, 2, 4, 10, 20,
Stray light	1 % (198 nm KCL 12 g/L aqueous solution) 0.005 % (220 nm NaI 10 g/L aqueous solution 0.005 % (340 nm NaNO2 50 g/L aqueous solution) 0.005 % (370 nm NaNO2 50 g/L aqueous solution)
Photometric range	UV-Vis: -4~4 Abs NIR: -3~3 Abs
Photometric accuracy	+/-0.0015 Abs (0 to 0.5 Abs)
Photometric repeatability	+/-0.0005 Abs (0 to 0.5 Abs)
Scanning speed	10~4000 nm/min (8000 nm/min in preview mode)
Slew speed	UV-Vis: 12000 nm/min NIR: 24000 nm/min
RMS noise	0.00003 Abs
Baseline stability	0.0003 Abs/hour 0.04 % (220 nm NaI 10 g/L aqueous solution) 0.02 % (340 nm NaNO2 50 g/L aqueous solution) 0.02 % (370 nm NaNO2 50 g/L aqueous solution)
Baseline Stability	±0.0004 Abs/hour (Wavelength: 250 nm,
Baseline flatness	+/-0.0002 Abs (200 - 1600 nm)
Detector	Photomultiplier tube, Peltier cooled InGaAs photodiode

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