English (GB)
6
6.2.6 Ensuring reaction periods, countdown
To ensure compliance with reaction periods, a time delay is
incorporated, the countdown.
Notes:
1. It is possible to finish the working countdown by pressing
the
key. Reading starts immediately. In this case, the
operator is responsible for ensuring the necessary reaction
period.
Non-compliance with reaction periods results in incorrect test
results.
2. The time remaining is displayed continuously.
The beeper sounds the last 10 seconds.
6.2.7 Changing chemical species
For some methods, it is possible to change the chemical species
of the test result. When the test result is displayed, press arrow
key
or .
Example:
If the species of a test result is changed, the displayed range is
adjusted automatically. The chemical species of a stored result
cannot be changed any more. The last displayed chemical
species is kept by the photometer and will be displayed, if this
method is used the next time. If the possibility of changing the
chemical species for a method exists, it is described in the
manual. The arrows indicate the possible chemical species.
The species are printed below the notes of the method:
PO
4
P
P
2
O
5
6.2.8 Storing results
6.2.9 Printing results (optional infrared module DIT-IR)
If the DIT-IR is switched on (section
) and the printer is connected, it is possible to save the
result to a PC and/or print it via a serial RS232 interface.
This display appears.
• Press the
key.
Prepare the water sample, and start
countdown with the
key. After the
countdown is completed, proceed as
described in the user countdown mode
description. The vial must not be placed
in the sample chamber.
• Press the [Test] key.
Prepare the water sample as described in
the respective method description, and
place the vial in the sample chamber. To
display the countdown, press the [Test]
key. The countdown is started
automatically. After the reaction period is
finished, the measurement starts
automatically.
320
Phosphate
LR T
0.05-4 mg/l
PO
4
>
>
320 Phosphate
LR T
0.02-1.3 mg/l P
>
>
320
Phosphate
LR T
0.04-3 mg/l
P
2
O
5
1.00 mg/l PO
4
< < 0.33 mg/l P
< <
0.75 mg/l
P
2
O
5
Test
Countdown
1:59
Countdown
2:00
Start:
Press the [Store] key while the test result is
displayed.
This display appears.
• It is possible to enter a numeric code of
up to 6 digits. In the example, it is
[8][0][8][0]. A "Code-No" can contain
references to the operator or the
sampling location.
Confirm the entry with the
key.
• If a "Code-No" is not required, confirm
directly by pressing
. The "Code-No" 0
is assigned automatically in this case.
The entire data set comprising date, time,
"Code-No", method and result is stored.
This display appears.
After this, the test result is displayed again.
Note:
The display shows the number of free data
sets.
If there are less than 30 data sets free, the
display shows:
Clear the memory as soon as possible (see
6.3.3 Recalling or deleting stored results
).
If all memory capacity is used up, it is
impossible to save additional test results.
Press the [F3] key.
The entire data set comprising date, time,
method and result is printed.
Example:
The Test No is an internal number that is set
automatically if a test result is stored.
It appears only on the print-out.
Stored!
Shift
8
0
Store
Code-No.:
_ _ _ _ _ _
8
0
Storage: 900
free records left
Storage: only 29
free records left
F3
100 Chlorine T
0.02-6 mg/l Cl2
Profi-Mode: no
2009-07-01 14:53:09
Test No.: 1
Code No.: 007
4.80 mg/l Cl2
Summary of Contents for DIT-M
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