Hach-Lange SI794 C User Manual - Manual (Page 98)

98
Conductivity input Input for 2-electrode/4-electrode sensors
Effective ranges Conductivity 0.2 µS · c ... 1000 mS · c
Ranges * Conductivity 0.000 ... 9.999 µS/cm
000.0 ... 99.99 µS/cm
000.0 ... 999.9 µS/cm
0000 ... 9999 µS/cm
0.000 ... 9.999 mS/cm
00.00 ... 99.99 mS/cm
000.0 ... 999.9 mS/cm
0.000 ... 9.999 S/m
00.00 ... 99.99 S/m
Resistivity 00.00 ... 99.99 MΩ · cm
Concentration 0.00 ... 9.99% by wt
Salinity 0.0 ... 45 ‰ (0 ... 35 °C)
Response time (T
90
) < 1 s (Sensocheck off)
< 3 s (Sensocheck on)
Measurement error 1,2,3) < 1 % meas. val. +0.4 µS · c
Concentration determination
Operating modes
* -01- NaCl 0.00 ... 9.99% by wt (0 ... 60 °C)
-02- HCl 0.00 ... 9.99% by wt (-20 ... 50 °C)
-03- NaOH 0.00 ... 9.99% by wt (0 ... 100 °C)
-04- H
2
SO
4
0.00 ... 9.99% by wt (-17 ... 110 °C)
-05- HNO
3
0.00 ... 9.99% by wt (-17 ... 50 °C)
See graphs in the Appendix Pg 106 et seq.
Sensor standardization
Operating modes
• Input of cell constant with simultaneous
display of conductivity and temperature
• Input of conductivity of calibration solution
with simultaneous display of cell constant and
temperature
• Product calibration
• Temperature probe adjustment
Permssible cell constant 00.0050 ... 19.9999 cm -1
Specifications