Standard Operation; Program List - HACH LANGE DR 900 Bedienungsanleitung

Standard operation

Program list

The instrument is delivered with a complete series of application
programs. Refer to Table 1 for the program descriptions.
Table 1 Program options
Program option Description
Stored programs Stored programs are factory-installed, pre-programmed
methods. Refer to
User programs Methods can be developed and can be saved as a user
1
program. Refer to
Favorites Methods which are often used can be saved in the favorite
1
list.
1
A maximum of ten methods (user programs and/or favorites) can be saved.
Select a stored program
1. Push HOME>Options>All Programs.
2. Select the applicable method and push Start.
3. Select Options>Add to Favorites to add the selected method to
favorites for faster access.
Select basic program options
When a program is selected, additional parameter options are available.
1. Push Options to access the option menu.
10 English
Select a stored program on page 10.
User programs on page 12.
2. Select the applicable options.
Option Description
Start Timer Select a pre-set timer or set a manual timer to make
sure that the steps of an analysis are correctly timed
(e.g., reaction times or wait times can be exactly
specified). When the timer is on, the timer icon is shown
on the display. The instrument makes an audible sound
when the time is over. Pre-set timer—Select the
applicable pre-set timer for one or more stored
procedure steps and push Start. Timer Manual—Enter
the applicable time with the navigation keys and push
Done. Default = 00:00
Favorites/User Select from the stored favorites or user programs list.
Programs Refer to Select a favorite or a user program
on page 12 for more information.
All Programs Select a pre-programmed method from the list.
Data Log Show all saved readings. Refer to
on page 12 for more information.
Add to Favorites Save stored programs and user programs methods
which are often used in the favorites list. Refer to
program to favorites
%T/Abs/Conc Switch to % transmittance, absorbance or concentration
readings. Transmittance reading (%)—Reads the
percent of the original light that passes through the
sample and reaches the detector. Absorbance
readings—The light absorbed by the sample is read in
absorbance units. Concentration readings—The
measured absorbance values are converted into
concentration values with the program-specific stored
equation.
Advanced Use the advanced options to specify more parameters.
Options Refer to Select advanced program options
on page 11.
Save Save the last reading manually when the auto save
option is set to Off.
Data log
Add a
on page 12.