6
1.3 Specifications
1.3.1 DOC (dissolved oxygen concentration) measuring range at an analyte
temperature of 20 °С, mg/dm
3
..………………………………….……..….. 0 to 10,00.
The upper limits of DOC measuring range, depending on the analyte tem-
perature, are shown in Table 1.2.
Table 1.2
t, °C
0
5
10
15
20
25
30
35
40
45
50
DOC,
mg/dm
3
17,45 15,29 13,48 12,10 10,00 9,85 8,98 8,30 7,69 7,12 6,59
1.3.2 Limits of the analyzer allowable basic absolute error in DOC measure-
ment at an analyte temperature of (20,0±0,2) °С and ambient temperature of
(20±5) °С, mg/dm
3
……………………………….…........................... ±(0,050+0,04
С
),
where
С
, here and hereafter, is a measured DOC value in mg/dm
3
.
1.3.3 Limits of the analyzer allowable additional absolute error in DOC
measurement due to a change in the ambient temperature, by each ±5 °С from the
normal temperature (20,0±0,2) °С, within the operating temperature range from 0
to +50 °С, mg/dm
3
……………………………………….….…………………. ±0,012
C
.
1.3.4 Limits of the analyzer allowable additional absolute error in DOC
measurement due to a change in the ambient temperature by each ±10 °С from
the normal temperature (20±5) °С, within the operating temperature range from +1
to
+50
°С,
mg/dm
3
….……….............................................................
±(0,001+0,002
C
).
1.3.5 . Limits of the analyzer allowable additional absolute error in DOC
measurement at surplus pressure of analytical environment up to 0,2 MPa,
mg/dm
3
……………………………………………………………………………… ±0,1
C
.
1.3.6 Limits of the analyzer allowable absolute error in DOC measurement at
an analyte temperature coinciding with the calibration temperature which varies be-
tween +15 °С and +35 °С, at an ambient temperature of (20±5) °С,
mg/dm
3
……….…………………………………………....................... ±(0,050+0,04
C
).
1.3.7 Analyte temperature measuring range, °С ……...……............. 0 to +50.
1.3.8 Limits of the analyzer allowable basic absolute error in analyte temper-
ature measurement at an ambient temperature of (20±5) °С, °C ….……...…... ±0,3.
1.3.9 Limits of the analyzer allowable basic absolute error in analyte temper-
ature measurement due to a change in the ambient temperature by each ±10 °С
from the normal temperature (20±5) °С, within the operating temperature range
from +1 to +50 °С, °С …….....………………………..…………….…………..….. ±0,1.
1.3.10 Limit of the permissible value of the analyzer readout setting time
t
0.9
in DOC measurement, min …………..……….………………………….…………… 1.
1.3.11 Limit of the permissible value of the analyzer readout setting time
t
у
in
DOC measurement, min ……….…………......................…………..……………….. 2.
1.3.12 Limit of the permissible value of the analyzer readout setting time
t
0.9
in analyte temperature measurement, min ……………………….………….………. 1.
