Xylem MULTI 1970I PORTABLE MULTIPARAMETER METERS - Manual (Page 77)

Multi 1970i Technical data
75
7.2.2 Dissolved oxygen
Measuring ranges
and resolutions
Variable Measuring range Resolution
Concentration [mg/l] 0 ... 19.99
0 ... 90.0 0.01
0.1
Saturation [%] 0 ... 199.9
0 ... 600 0.1
1
T [°C] 0 ... 50.0 0.1
Accuracies Variable Accuracy (± 1 Digit)
Concentration [mg/l] ± 0.5 % of measured value
at ambient temperature of 5 °C ... 30 °C
Saturation [%] ± 0.5 % of measured value
when measuring in the range of ± 10 K
around the calibration temperature
T [°C] ± 0.1
Correction
functions
Temperature com-
pensation Accuracy better than 2 % at 0 ... 40 °C
Salinity correction 0 ... 70.0 SAL
Air pressure
correction Automatic through integrated pressure sen-
sor in the range of 500 ... 1100 mbar