wtw TecnoLine pH 171 Bedienungsanleitung Seite 131

Example 2 channel instrument:
If there is an invalid calibration at both channels there are lines instead of the measured values of
both channels; additionally both error messages are displayed one after the other (CAL ERROR A
or CAL ERROR B can be called up with the
Calibration
This message is only displayed with AUTOCAL
TEC.
There is an unvalid calibration at channel B; the
key in the display flashes until the error is
accepted by pressing the
calibration with Cal
The pH value for channel B is not displayed; the
value for channel A is displayed. As soon as there
is a valid calibration the pH value is indicated
again.
key).
key. Then return to
.
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