Hach DR 1900, Basic User Manual

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• Set the language from the SETTINGS menu.
1. Push SETTINGS>Setup>Language .
2. Select a language from the list.
Set the date and time
There are two options to set the date and time:
• Set the date and time when the instrument is set to on for the first time.
• Set the date and time from the Date & Time menu.
1. Push SETTINGS>Setup>Date & Time .
2. Select Set Date & Time Format , then select a format for the date and time.
3. Select Set Date & Time .
4. Use the navigation keys to enter the current date and time, then push OK .
Standard operation
Program list
The instrument is delivered with a complete series of application programs. Refer to Table 2 for the
program descriptions.
Table 2 Program options
Program option Description
Stored Programs/Methods and
LCK or TNTplus Methods
1
Stored programs and LCK or TNTplus methods are pre-programmed methods
for Hach and Hach Lange methods. Refer to
Select a stored program or LCK
or TNTplus method on page 11.
User Programs Methods can be developed and can be saved as a user program. Existing
stored methods can be stored and modified as user programs to suit different
requirements.
Favorites Methods which are often used can be saved in the favorite list.
Single Wavelength The single wavelength readings are taken at a specified wavelength.
Multi Wavelength In the Multi Wavelength mode, absorbance values can be measured at up to
four wavelengths. The results can be mathematically processed to get sums,
differences and relationships.
Time Course The time scan automatically records and shows the absorbance at a
wavelength in a specified time period.
1
TNTplus vials are not available for the EU market.
Select a stored program or LCK or TNTplus method
1. Push SETTINGS>All Programs/Methods .
2. Select Stored Programs/Methods or LCK or TNTplus methods .
3. Select an option to find a method or to add it to favorites.
Option Description
Select by number Search by number for a specific method.
Select by letter Search by letter for a specific method.
Add to Favorites Add the selected method and add it to favorites for faster access.
4. Select the applicable method and push Start .
English 11