Xylem WTW Oxi 3205, Operating Manual

Page: 36 / 44

Technical data Oxi 3205
36 ba75797e05 12/2017
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
Note: The values quoted in brackets apply especially for the
DurOx 325 sensor.
Parameter Measuring range Resolution
D.O. 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) Parameter Accuracy
D.O. 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 35 SAL
Air pressure
correction Automatic through integrated pressure
sensor in the range of 500 ... 1100 mbar