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Technical indicators:
metering mode: the proportion of dual-beam
Monochromator: Czerny – Turner
Focal length: 160mm
Grating: 1200 lines / mm
Detector: photocell
Spectral bandwidth: 2nm
Wavelength setting: Touch screen input
Wavelength range: 190 – 1100nm
Wavelength Accuracy: ± 0.5nm
Wavelength repeatability: ≤ 0.2nm
wavelength scanning speed: fast, medium and slow (limited to S models)
Light source switching wavelength: 340nm
Stray light: ≤ 0.03% (T) (measured at Nil in 220 nm) (measured at NaNO2 at 360 nm)
Photometric range: 0.0 ~ 200.0% T
-0.301 ~ 4.000A
0.000 to 9999C
Photometric accuracy: ± 0.3% T
± 0.002Abs (0 – 0.5A)
± 0.004Abs (0.5 – 1A)
Photometric repeatability: ≤ 0.15% T
0.001Abs (0 – 0.5A)
0.002Abs (0.5 – 1A)
Baseline flatness: ≤ ± 0.002A (200nm ~ 1090nm) (limited to S)
Noise: 0.15% T
Baseline drift: ± 0.0009Abs / 0.5h (limited to S) (after 2h boot, 250nm and 500nm)
Light source: 12V20W halogen lamp and long life deuterium lamp
Power supply voltage: AC220V ± 22V 50Hz ± 1Hz
Rated power: 200W
Optional:
Thermal drawing printer
UVwin8 UV spectrum software
