500 D 01/2012
12a
4. Confirm required measuring range and dimension by pressing key
OK
(does not
apply when 4 digits are entered). The interference filter is automatically turned into
measuring position.
5. Reaction time is displayed, start with key
OK
or skip with key
U
.
1671 NITRITE
React.time
10’00
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6. Place cuvette with blank value in photometer and press
NULL
ZERO
for zero adjustment
(use same cuvette size as for sample, e.g. 10 mm).
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✓
1671 NITRITE
measure blank
→
Z
7. Place rectangular cuvette with sample in photometer and measure by pressing
key
S
.
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✓
1671 NITRITE
measure sample
→
M
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✓
1671 NITRITE
0001 place
0,26 mg/L
NO2N
1+0
If a
✔
is displayed in the upper status line between time and battery indicator,
automatic storage of results is activated (see Configuration chap. 3.5.3). This
means, that the respective result is automatically stored when the cuvette is
removed from the photometer. If you do not want to store the result, just press
key
MEM.
and this value is not stored. On the other hand, if storage is deactivated,
the actual result can be stored by pressing key
MEM.
8. For entering a sample number press key
F1
. A sample number may have up to
4 digits.
1671 NITRITE
0001 place
1+0
sample No.:
_
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1671 NITRITE
0001 place
1+0
sample No.:
123_
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9. For entering a sampling place press key
F2
. The name of a sampling location may
have up to 12 alphanumeric characters. Up to 20 places are stored in a list and can
be selected or edited using keys
U
/
U
.
1671 NITRITE
place
?
01
?
02
?
03
?
04
→
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1671 NITRITE
place
sewag _
17.11.11 16:06
1234 place
1+0
