Automatic Stability Recognition Of The Measuring Signal - testo 252 Bedienungsanleitung

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Automatic stability recognition of the measuring signal

The pH value does not settle straight away due to
its dependance on several factors. The measuring
instrument offers the possibility of observing the
measured values over a period of time,
showing the trends of the value and signalling the
relative stability of the measured value (tolerances
< ± 500 µV/10s) with a tone.
Select this mode with the arrow key.
Whilst the measuring instrument analyses the
measured values, "HOLD" flashes on the screen.
The display trend appears during this period,
indicating either increasing or decreasing signal
pH measurement
inputs.
Press the Hold/Max/Min key to end this
mode and return to the measuring mode.
If the tolerances are negligible, a tone
sounds. "HOLD" is then held in display.