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Calibration / Adjustment
Temperature Compensation
For automatic cal temp detection, the measur-
ing module measures the temperature of the
calibration solution with a temperature probe
(Pt 100 / Pt 1000 / NTC 30 kΩ / NTC 100 kΩ).
If you work with automatic temperature com-
pensation during calibration, a temperature
probe connected to the temperature input of
the Protos must be in the calibration solution.
When ”Cal temp automatic” is set, ”Measured cal temp” appears in the menu.
Temperature Compensation During Calibration
Calimatic
Return
Dip sensor in cal solution
then “Start” calibration.
Cal solution NaCl saturated
TC automatically considered
Measured cal temp
25.6 °C
1.225 mS/cm
+025.6 °C
Proceed
Sensor replacement
Automatic Temperature Compensation
The conductivity value of the calibration solution is temperature-dependent.
For calibration, the calibration solution temperature must therefore be known
in order to choose the actual value from the conductivity table.
During parameter setting you define whether cal temperature is measured
automatically or must be entered manually.
Temperature compensation
Содержание Protos CONDI 3400(X)-051
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Страница 51: ...51 Nitric acid HNO3 Hydrochloric acid HCl c by wt c by wt ...
Страница 52: ...52 Sodium hydroxide solution NaOH Table salt solution NaCl c by wt c by wt ...