UV spectrophotometer Product Description: 
 Four specific wavelength can be preset 
 Product is suitable for the visible spectrum region substances in quantitative analysis, can be widely used in factories, schools, metallurgy, agriculture, food, biochemical, environmental, petrochemical, medical and health laboratories and other units of the base. 
 Parameters 
 CT-type monochromator monochromators, holographic grating 1200 lines 
 Silicon photodiode detector 
 LCD display 20 × 2LCD 
 Halogen light source 20W/12V (2000 hours), the deuterium lamp (1000 hours), automatic switching in the 340nm 
 Bandwidth 4nm 
 Wavelength range of 200 ~ 1000nm (step interval of 0.1nm) 
 Wavelength accuracy of ± 2.0nm (the boot auto-calibration) 
 Wavelength reproducibility 1.0nm 
 Stray light ≤ 0.5% T (at the 220,340 nm) 
 Measuring range T: 0 ~ 125%, A: -0.097 ~ 2.70Abs, F: 0 ~ 1999, C: 0 ~ 1999 
 Transmittance accuracy of ± 0.5% T (0 ~ 100% T) 
 The proportion of sexual transmission is 0.2% T 
 Light current ≤ 0.5% T 
 Dark current of ≤ 0.2% T 
 RS232 interface, data output, LPT parallel printer interface 
 Power supply 220V ± 10% 50Hz, 150VA 
 Optional software data processing software 
 Size of the host 456 (W) × 375 (D) × 220 (H) mm, outer: 625 (W) × 520 (D) × 348 (H) mm 
 Gross Weight 22.5 kg 
 Weight 17.5kg