Hach-Lange DR 3900 User Manual - Manual (Page 13)

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General Information
2.2 Overview of product
The DR 3900 is a VIS spectrophotometer with a wavelength
range of 320 to 1100 nm. The instrument is delivered with a
complete series of application programs and supports several
languages.
The spectrophotometer DR 3900 contains the following programs
and operating types:
• Stored programs (pre-installed tests)
• Barcode Programs
• User Programs
• Favorites
• Single Wavelength
• Multi Wavelength
• Wavelength Scan
• Time course
The DR 3900 Spectrophotometer provides digital readouts in
direct concentration units, absorbance or percent transmittance.
When selecting a user-generated or programmed method, the
menus and prompts serve to direct the user through the test.
This menu system can also generate reports, statistical
evaluations of generated calibration curves and to report
instrument diagnostic checks.