Xylem WTW Oxi 3310, Operating Manual

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Oxi 3310 Technical data
55 ba75804e08 10/2017
7.2 Measuring ranges, resolution, accuracy
Note
The accuracy values specified here apply exclusively to the meter. The
accuracy of the D.O. sensors has also to be taken into account.
Measuring ranges,
resolution
(depending on the sen-
sor)
Note: The values quoted in brackets apply especially for the
DurOx 325 sensor.
Variable
Measuring range Resolution
Concentration [mg/l] 0 ... 20.00 (0 ... 20.0)
0 ... 90.0 (0 ... 90) 0.01 (0.1)
0.1 (1)
Saturation [%] 0 ... 200,0 (0 ... 200)
0 ... 600 0.1 (1)
1
D.O. partial pressure
[mbar] 0 ... 200.0 (0 ... 200)
0 ... 1250 0.1 (1)
1
T [°C] 0 ... 50,0 0.1
Accuracy (± 1 digit)
Variable
Accuracy
Concentration [mg/l] ± 0.5 % of measured value
at ambient tempe 5 °C ... + 30 °C
Saturation [%] ± 0.5% of measured value
when measuring in the range of ± 10 K
around the calibration temperature
D.O. partial pressure
[mbar] ± 0.5 % of measured value
at ambient tempe 5 °C ... + 30 °C
T [°C] / temperature sensor
NTC 30 ± 0.1
PT 1000 ± 0.1
Correction functions Temperature
compensation Accuracy better than 2 % at 0 ... + 40 °C
Salinity correction 0 ... 70.0 SAL
Air pressure correc-
tion Automatic through integrated
pressure sensor in the range of 500 ... 1100
mbar