2 measuring ranges, resolution, accuracy, Measuring ranges, resolution, accuracy – Xylem Oxi 3210 Dissolved oxygen (D.O.) meter User Manual
Page 44

Technical data
Oxi 3210
44
ba75795e02
03/2009
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 temperature + 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 temperature + 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
correction
Automatic through integrated pressure
sensor in the range of 500 ... 1100 mbar