Hitachi U-1900

Especificaciones:

Optics Seya-Namioka mount monochromator, ratio beam

Wavelength range 190 to 1,100nm

Spectral bandpass 4nm

Stray light 0.05% or less (220 nm for NaI, 340 nm for NaNO2)

Wavelength accuracy ±0.5nm (at 656.1, 486.0nm)

Wavelength setting repeatability ±0.3nm –3 to 3 Abs

Photometric range 0 to 300% 

Conc: 0.000 to 9.999

Photometric accuracy ±0.002Abs (0 to 0.5Abs) (certified according to ±0.004Abs (0.5 to 1.0Abs) NIST SRM 930) ±0.3%T

Photometric repeatability ±0.001Abs (0 to 0.5Abs) (certified according to ±0.002Abs (0.5 to 1.0Abs) NIST SRM 930) ±0.15%T

Wavelength scan speed 10, 100, 200, 400, 800, 1,200, 2,400, 3,600nm/min

Baseline stability 0.0004Abs/h (at 500nm)

Noise level ±0.00015Abs (at 500nm)

Baseline flatness ±0.002Abs (within 200 to 950nm)

Light source WI and D2 lamps

Light source changeover Auto (at 340.0nm)

Detector Silicon photodiode

Display LCD with backlight (12.2cm)

Printer I/F Centronics interface Serial I/F RS-232C (exclusive for UV Solutions program)

Size (main unit) 380 (W) × 643 (D) × 311 (H) mm

Weight (main unit) About 27kg

Power supply 100, 115, 220, 230 or 240V, 50/60Hz

Power consumption 300VA