Hach DR 3900 Manuel D'utilisation De Base page 6

Select the type of protective equipment suitable to the concentration
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and quantity of the dangerous material at the respective work place.
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)
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Barcode Programs
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User Programs
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Favorites
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Single Wavelength
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Multi Wavelength
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Wavelength Scan
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Time course
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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.
English 6
Installation
WA R N I N G
Electrical and fire hazards.
Only use the supplied benchtop power supply LZV844.
Only qualified experts may perform the tasks described in this section of the
manual, while adhering to all locally valid safety regulations.
Unpack the instrument
The DR 3900 Spectrophotometer comes packaged with the following
items:
DR 3900 spectrophotometer
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Dust Cover
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USB dust cover, fitted as standard
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Benchtop power supply with power cord for US, GB
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Cell adapter A
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Light shield, fitted as standard in the DR 3900
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Operator RFID tag (not available on all models)
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Basic operating instructions DR 3900, operating instructions
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LINK2SC
Further information, detailed user manuals and documentation are
available on the website of the manufacturer.
Note: If any of these items are missing or damaged, please contact the
manufacturer or a sales representative immediately.