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Hanna Instruments HI931 - Page 77

Hanna Instruments HI931
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5-19
TITRATION METHODS
5.5.10. MEASUREMENT MODE
Option: Signal Stability or Timed Increment
During titration, the acquisition of the potential (mV) value of the solution can be done in two ways: Signal Stability or Timed
Increment option.
5.5.10.1. SIGNAL STABILITY
When signal stability is selected, the titrator acquires the potential (mV) only when stable conditions are reached.
The principles of signal stability are plotted below:
The signal stability window (condition) represents the time interval (∆t) during which the potential measured in solution (mV) is
confined inside the potential interval (∆E).
The new signal value is acquired if the stability condition is reached after the minimum (t min) wait time.
If the stability condition is not reached and the maximum (t max) wait time has elapsed, the potential is acquired.

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