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

Page 44

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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

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