Beckman DU 640 Spectrophotometer

Beckman DU-640 Spectrophotometer Manual Beckman-DU-640-Spectrophotometer

User Manual: Beckman-DU-640-Spectrophotometer

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General Information
Today’s spectrophotometer users expect a complete and integrated system which eases sample handling
tasks, accurately measures samples and delivers quality results quickly and easily. The DU® Series 600 and
7000 spectrophotometers were developed to satisfy these expectations. These are the instruments that are
setting a new standard in spectrophotometry. The window-oriented user interface with full mouse support
provides a friendly environment and drastically reduces learning time while increasing productivity. With all
this, the system may reintroduce another lost element to your work…enjoyment.

Technical Specifications
Operating Temperature

15° to 40°C

Wavelength Range

190 – 1100 nm

Wavelength Setability

0.1 nm increments

Wavelength Accuracy

± 0.2 nm

Wavelength Repeatability

± 0.1 nm

Spectral Bandwidth

≤ 1.8 nm

Photometric Readout

-0.300 to +3.000 A or 0.0 to 200.0% T

RMS Noise

< 0.0002 A RMS

Stray Light

< 0.05% T

Stability

< 0.003 A/hr

RMS Baseline Flatness

± 0.001 A

Scanning Speeds

120. 240, 600, 1200, 2400 nm/minute

Data Collection Rate

20 samplings/second

Dimensions (W x H x D)

69 x 61 x 53 cm (27 x 24 x 21)

Temperature Operating Range

15° to 40°C

Power Requirements

120VAC, 50/60Hz



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