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SECTION 1 GENERAL DESCRIPTION
1.1 Instrument Description
The Hach Model DR/2010 Spectrophotometer shown in Figure 1 is a
microprocessor-controlled, single-beam instrument for colorimetric
testing in the laboratory or the field. The instrument is precalibrated for
over 120 different colorimetric measurements and allows convenient
calibrations for user-entered and future Hach methods.
Instrument features include:
• Test results displayed in percent transmittance, absorbance
or concentration.
• Data Storage and Recall for datalogging in the field or laboratory.
• Operator-selected languages.
• Full prompting during testing.
• Error messages for procedural or instrument troubleshooting.
• A built-in timer to monitor specific reaction times called for in the test
procedures. The appropriate time intervals are stored in the program
for that test. The timer also can be used manually by the operator
independent of the stored programs.
• RS232 interface capability allows an external printer or computer to
interface with the spectrophotometer. This makes software upgrades
easy to do with a computer and software disk from Hach.
• Simplified entry of user-entered programs or new Hach methods.
The spectrophotometer operates on battery power or ac line power using
the battery eliminator/charger unit supplied with the accessories. The
battery holder supplied holds six D-size alkaline dry cells (batteries not
supplied) that power the instrument for approximately 100 tests. An
optional rechargeable lead-acid battery is available, and can be recharged
with the battery eliminator/charger supplied with the instrument. The
eliminator/charger will not charge rechargeable D-size batteries.
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