UV-Visible Spectrophotometer LB-28UVS Catalog

UV-Visible Spectrophotometer LB-28UVS is a light intensity measuring unit with hermetic light path design for reduced stray light. The SiO2 coated optical mirror enables uninterrupted propagation of light and reduces contamination through external sources.

Optical system	Single beam (1200 lines/mm grating)
Wavelength range	200 nm ~ 1020 nm
Spectral bandwidth	4 nm
Wavelength accuracy	± 2 nm
Wavelength repeatability	0.8 nm
Photometric accuracy	± 0.002 A (0 Abs ~ 0.5 Abs) 0.004 A (0.5 Abs ~ 1.0 Abs) ± 0.5% T (0% T ~ 100% T)
Photometric repeatability	0.001 Abs (0 Abs ~ 0.5 Abs) 0.002 Abs (0.5 Abs ~ 1.0 Abs) ≤ 0.2% T (0% T ~ 100 %)
Stray light	≤ 0.2% T at 360 nm; 220 nm
Stability	± 0.002 A/h at 500 nm
Baseline flatness	± 0.001 A
Noise	± 0.001 A
Display	LCD
Photometric mode	T.A.C.E
Photometric range	0% T ~ 200% T - 0.301 Abs ~ 3.0 Abs
Detector	Silicon photodiode
Light source	Deuterium lamp; Tungsten lamp
Input	Membrane keypad
Output	Printer (Optional)
Power	AC 110 V ±10%; 50 Hz AC 220 V ±10%; 60 Hz
Dimensions	560 × 430 × 320 mm
Gross weight	12 kgs

• Photometric detection by fixed wavelength
• Multi-Wavelength configuration for measurement of transmittance and absorbance
• Testing and storage capacity of 240 data in each curve
• Large LCD display for visual monitoring of the process
• Efficient time course scanning and reaction rate calculations
• Wavelength and dark current calibration
• Lamp source selection flexibility

Sr. No.	Name of the accessory	Quantity
1	10 mm glass cuvette	4 units
2	10 mm quarts cuvette	2 units

Sr. No.	Name of the accessory
1	4 place cell holder
2	Deuterium lamp
3	Halogen lamp
4	Printer
5	Test tube holder

Used for concentration measurement, photometric analysis, impurities detection in the fields of biology, biochemical, pharmaceutical, environmental science, food, chemical, genetic, quality control, etc.