Xylem MULTI 3500i HANDHELD MULTIPARAMETER METERS - Manual (Page 94)

Technical data Multi 3500i
92
7.2.3 Dissolved oxygen
Measuring ranges,
resolution
Note: The values quoted in brackets apply especially for the
DurOx 325 sensor.
Variable Measuring range Resolution
DO 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
O
2
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
DO 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
O
2
partial pressure
[mbar]
± 0.5 % of measured value
at ambient temperature + 5 °C ... + 30 °C
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