2 measuring ranges, resolutions, accuracies, Measuring ranges, resolutions, accuracies – Xylem Oxi 1970i PORTABLE DISSOLVED OXYGEN METERS User Manual
Page 56

Technical data
Oxi 1970i
56
ba75691e01
01/2007
Guidelines
and norms used
7.2
Measuring ranges, resolutions, accuracies
Measuring ranges,
resolutions
Note: The values given in brackets apply to the sensor DurOx 325 es-
pecially.
Accuracy
(± 1 digit)
Correction functions
EMC
E.C. guideline 89/336/EEC
EN 61326-1:1997
EN 61000-3-2 A14:2000
EN 61000-3-3:1995
FCC Class A
Instrument safety
E.C. guideline 73/23/EEC
EN 61010-1 A2:1995
Climatic class
VDI/VDE 3540
IP protection
EN 60529:1991
Variable
Measuring range
Resolution
Concentration [mg/l]
0 ... 19.99 (0 ... 19.9)
0 ... 90.0 (0 ... 90)
0.01 (0.1)
0.1 (1)
Saturation [%]
0 ... 199.9 (0 ... 199)
0 ... 600
0.1 (1)
1
T [°C]
0 ... 50.0
0.1
Variable
Accuracy
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
Temperature com-
pensation
Accuracy better than 2 % at 0 ... + 40 °C
Salinity correction
0 ... 70.0 SAL