Spectro Photometer Model UV-1900i

Wavelength Range	190 to 1,100nm
Spectral Bandwidth	1nm (190 to 1,100nm)
Wavelength Display	0.1 nm Increments
Wavelength Setting	0.1 nm Increments (1 nm increments when setting scanning range)
Wavelength Accuracy	±0.1 nm at D2 peak 656.1 nm, ± 0.3 nm for entire range
Wavelength Repeatability	– ±0.1 nm
Wavelength Slew Rate	About 14,500 nm/min
Wavelength scanning speed	3,000 to 2 nm/min 29,000 nm/min when survey scanning
lamp interchange wavelength	Automatic interchange linked to wavelength. The interchange wavelength can be set freely in the range of 295 to 364 nm (0.1 nm increments).
Stray light	Less than 0.02% at 220 nm (Nal) Less than 0.02% at 340 nm (NaNO2) Less than 0.5% at 198 nm (KCl)
Photometric system	Double beam optics
Photometric range	Absorbance: -4 to 4 Abs Transmittance: 0% to 400%
Photometric accuracy	±0.002 Abs at 0.5 Abs ± 0.004 Abs at 1.0 Abs ±0.006 Abs at 2.0 Abs (measured using NIST930D/NIST1930 or equivalent)
Photometric repeatability	Less than ±0.0002 Abs at 0.5 Abs Less than ±0.0002 Abs at 1 Abs Less than ± 0.001 Abs at 2 Abs
Baseline stability	Less than 0.0003 Abs/Hr (700 nm, one hour after light source turned ON)
Baseline flatness	Less than ±0.0006 Abs (1,100 to 190 nm, one hour after light source turned ON)
Noise level	Less than 0.00005 Abs (700 nm)
Light source	20-W halogen lamp and deuterium lamp Built-in light source auto position adjustment
Monochromator	LO-RAY-LIGH grade blazed holographic grating in Czerny-Turner mounting
Detector	Silicon photodiode
Sample compartment	Internal dimensions: W110 x D250 x H115 mm Distance between light beams: 100mm
Power requirements	AC100,120,220,230,240 V, 50/60 Hz, 140 VA
Environmental requirements	Temp: 15°C to 35°C Humidity: 30% to 80% (without condensation; 70% max. at 30°C or higher)
Dimensions	W450 x D501 x H244 mm
Weight	16.6 kg
Output device	USB memory (optional) Data files saved in text format or UVPC format UVPC – format files can be read directly by UVProbe and LabSolutions UV-Vis
PC compatibility	UVProbe software (standard) LabSolutions UV-Vis software (optional) External control possible via USB
Display	24 – bit color touch screen
Supported languages	Japanese, English, Chinese, Spanish (Mexico), Portuguese (Brazil)

Spectrum, quantitation, photometric, and time course measurement modes
High performance and Ultra-fast scan to meet diverse needs
Low stray light to make accurate measurements at high absorbance readings
High reproducibility and repeatability accuracy
Full Support for Pharmacopeia, GLP/GMP, FDA 21 CFR Part 11 and Other Regulations
Easy-to-use touch screen interface