EF315_r5.1(v12.22) – 03/2023 page 23
ADDITIONAL VISUALIZATIONS
If the arrow keys are pressed during normal operation, the display shows the specific parameters of the
4 measurements. The value within brackets is the input signal before corrections, the “G” value is the
gain factor, while the “O” value is the offset.
pH (mV value without thermo-compensation)
G = gain factor 0.750 ... 1.500
O = offset @ 25°C -0.50 ... 0.50
Redox (mV value without offset correction)
G = gain factor (1.000), fixed
O = offset in mV (-100 ... 100)
Residual chlorine with amperometric cell CLE12
G = gain factor (0.050 ... 1.500)
O = offset in ppm (-0.40 ... 0.40)
Residual chlorine with CAC cell series (input value in mV, without offset/gain corrections)
G = gain factor (0.200 ... 3.000)
O = offset in ppm (-0.20 ... 0.20)
Temperature (value without offset/gain corrections)
G = gain factor (0.940 ... 1.060)
O = offset in °C (-2.0 ... 2.0)
In general, the more the Offset value is close to zero, the better are the sensor conditions.
Similarly, the more the Gain value is clos e to 1.000, the better are the sensor conditions.
The only exception is the CLE12 amperometric cell, for which the average Gain value is 0.100. However,
this value depends strongly on the chemical conditions as well as the type of dosed chlorine, and,
therefore, it is not possible to establish preventively a typical value.
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