Hach Dr 3900 Manual Pdf

[Cynthia Skane]

Spectrophotometr Hach DR 3900 - hangs on startup. I do not have a service manual - maybe someone has? I replaced the lithium battery on PCB and pressed the restart button - no change. Any suggestions?

Please read the entire manual before unpacking, setting up, or operating this equipment. Pay attention to all danger and caution statements. Failure to do so could result in serious injury to the operator or damage to the equipment.
Precautionary labels: Read all labels and tags attached to the instrument. Personal injury or damage to the instrument could occur if this information is not observed.
RFID module (not available on all models): The DR 3900 contains an RFID module to receive and transmit information and data. The RFID module operates with a frequency of 13.56 MHz. Please contact the distributor for national conditions of authorization regarding RFID technology.Warning Labels

Chemical and Biological Safety
DANGER
Potential danger in the event of contact with chemical/biological materials.
Handling chemical samples, standards and reagents can be dangerous. Familiarise yourself with the necessary safety procedures and the correct handling of the chemicals before the work and read and follow all relevant safety data sheets.
Normal operation of this instrument may involve the use of hazardous chemicals or biologically harmful samples.

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:

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.InstallationWARNING
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
• Dust Cover
• USB dust cover, fitted as standard
• Benchtop power supply with power cord for US, GB
• Cell adapter A
• Light shield, fitted as standard in the DR 3900
• Operator RFID tag (not available on all models)
• Basic operating instructions DR 3900, operating instructions 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.
Operating environment
Note the following points so that the instrument will operate perfectly and have a long service life.

Turn on the power button next to the display to turn on the power supply.StartupSwitch on the instrument, startup process

1. Connect the power cable to the mains outlet.
2. Switch on the instrument by using the power button next to the display.
3. The instrument starts automatically with a startup process lasting approximately 45 seconds. The display shows the logo of the manufacturer. At the end of the startup process, a startup melody is heard.

Note: Wait approximately 20 seconds before switching on again so as not to damage the electronics and mechanics of the instrument.

The DR 3900 software includes several language options. The first time the instrument is switched on, the language selection screen will be shown automatically after the startup process.

1. Select the required language.
2. Press OK to confirm the language selection. The self-check will then start automatically.

Change the language setting
The instrument functions in the selected language until the option is changed.

1. Turn the instrument on.
2. During the startup process, touch any point on the screen and maintain contact until the option for selecting a language is shown (approximately 45 seconds).
3. Select the required language.
4. Press OK to confirm the language selection. The self-check will then start automatically.

Self-check
Each time the instrument is powered up, a test program begins.
This procedure, which takes approximately two minutes, checks the system, lamp, filter adjustment, wavelength calibration and voltage. Each test that functions correctly is marked accordingly.
The Main Menu is displayed when diagnostics are completed.
Sleep mode
The instrument can be put into sleep mode.

A complete record of the analysis is stored, including the Date, Time, Results, Sample ID and Operator ID.
Recall stored data from the data log

1. Press Recall Data in the Main Menu.
2. Press Data Log.
   A listing of the stored data is displayed.
3. Press Filter: On/Off.
   The function Filter Settings is used to search for specific items.
4. Activate On. The data can now be filtered using the following selection criteria.
   1. Sample ID
   2. Operator ID
   3. Start Date
   4. Parameter or any combination of the four.
5. Press OK to confirm the selection.
   The chosen items are listed.
6. Press View Details to get more information.

Send data from the data log
NOTICE
Network and access point security is the responsibility of the customer that uses the wireless instrument. The manufacturer will not be liable for any damages, inclusive however not limited to indirect, special, consequential or incidental dam-ages, that have been caused by a gap in, or breach of network security.
Data is sent from the internal data log as an XML (Extensible Markup Language) file or as a CSV (Comma Separated Value) file, to a directory with the name DataLog on a USB mass storage device or a network drive. The file can then be processed using a spreadsheet program. The file name has the format: DLYear-Month-
Day_Hour_Minute_Second.csv or DLYear-Month-
Day_Hour_Minute_Second.xml.

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