Standard Operation - Hach DR 1900 Basic User Manual

• 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
program descriptions.
Program option
Stored Programs/Methods and
LCK or TNTplus Methods
User Programs
Favorites
Single Wavelength
Multi Wavelength
Time Course
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
Select by number
Select by letter
Add to Favorites
4. Select the applicable method and push Start.
Table 2 Program options
Description
Stored programs and LCK or TNTplus methods are pre-programmed methods
1
for Hach and Hach Lange methods. Refer to
or TNTplus method
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.
Methods which are often used can be saved in the favorite list.
The single wavelength readings are taken at a specified 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.
The time scan automatically records and shows the absorbance at a
wavelength in a specified time period.
Description
Search by number for a specific method.
Search by letter for a specific method.
Add the selected method and add it to favorites for faster access.
on page 11.
Table 2 for the
Select a stored program or LCK
English 11