Hach POLYMETRON 9125 Operator's Manual page 10

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