Transmitter 9125 – Conductivity / resistivity measurement
Page 8
Inductive probe
Cell constant
1 cm
-1
2,35 cm
-1
10 cm
-1
Resistivity range
1
:
.cm...10 k
:
.cm
0,5
:
.cm...5 k
:
.cm
0,1
:
.cm...1 k
:
.cm
Ambient temperature
range
-20°C...+200°C (-4…392 °F)
Display resolution
Conductivity/resistivity : automatic point drift (min.
resolution 0.001
P
S/cm)
< 0.1 °C
Accuracy
Inductive :
K=1 :
r
2% of the displayed value or
r
0,002 mS
K=2,35 :
r
2% of the displayed value or
r
0,004 mS
K=10 :
r
2% of the displayed value or
r
0,02 mS
2 electrode :
r
1% of the displayed value
temperature <
r
0.4 °C
Temperature sensor
Pt 100 / Pt 1000
Temperature
compensation
- No
- Automatic
- Manual
Automatic temperature
compensation range
-20 ... 200 °C
-4 ... 392 °F
Temperature compensation
range
Linear
Non linear :
- ultrapure water, HCl and NaCl
Sensor types
- 2 electrode sensor
- Inductive sensor
Cable length
100 m maximum
CALIBRATION
Conductivity calibration
type
- Electric
- 2 points
- 1 point
Slope matching
50 ... 150 %
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