Beckman Spectrophotometer DU-65
Out of Stock

*All prices are in U.S. dollars and do not include shipping, handling and installation. International Cooperating Organizations

• Quant II lets you run up to 10 standards for quantitative analysis

• Quant I lets you run wavelength scanning with auto scaling, comparison, and customizing

• Auto-6 lets you run up to 6 samples for kinetic analysis, and supports custom begin and end parameters, and the Lineweaver-Burke plot

• Gel-Scan for tube gel and film studies

• Five Carat cell for microsampling
  

SPECIFICATION

Operating Principle: Double beam spectrometer for the UV/VIS region, with microcomputer electronics, keyboard entry and vacuum fluorescence display.

Monochromator: Holographic concave grating with 1053 lines/mm.

Radiation: Prealigned Deuterium and Tungsten halogen lamps with automatic lamp switching.

Wavelength: 190 nm – 1100 nm.

Stray Radiation: Measured with a 2 sec response time
< 0.03 %T at 220 nm
< 0.02 %T at 340 nm, 370 nm.

Wavelength Accuracy: +- 0.3 nm at Deuterium peak 656.1 nm.

Reproducibility: +- 0.1 nm.

Spectral Slit Width: 2 nm.

Photometric Accuracy: +- 0.005 A at 1 A (measured with NBS 930 filters).

Reproducibility: +- 0.002 A at 1A.

Range: -3 to +3 A.

Stability: < 0.0003 A/h (at 500 nm, 1 sec response time, after warmup).

Baseline Stability: +- 0.001 A (200-1100 nm at 0 A, 2 sec response time, 240 nm/min scan speed.

Noise: < 0.0003 A (at 0 A, 500 nm, 2 sec response time)