testo 206 Bedienungsanleitung Seite 27

All manuals and user guides at all-guides.com
Immerse/penetrate probe in the medium to be measured.
- The measured pH and temperature values are displayed. The
readings are updated twice a second.
Hold readings manually:
Restart measurement:
- If Auto-Hold is switched on, AUTO HOLD flashes until the
instrument has found a stable pH reading. The readings are
then frozen (AUTO HOLD lights up). If no stable pH readings
have been found within 300s, the measurement is stopped (
and AUTO HOLD light up).
Restart measurement:
Manual temperature compensation
This function is only available with a connected BNC module
(pH3) if a pH probe without temperature sensor is connected.
The temperature can then be adapted to the temperature of
the medium being measured.
1 Open manual temperature compensation mode:
Increase value:
values quickly.
2 Change setting direction:
CAL
Lower value:
values quickly.
3 Finish setting: MODE
- All segments light up briefly and the instrument will change to
the measurement mode.
Finish measurement
1 Switch off instrument: Keep
2 Clean off the pH probe with low concentration soap water
followed by tap water (water temperature should be below
40 °C). Dab dry with a paper towel. Do not rub.
3 Insert probe in the storage cap.
The probe tip must be immersed in the electrolyte gel. Keep
electrolyte gel clean.
ON/HOLD .
ON/HOLD
.
.
ON/HOLD
CAL
. Keep button pressed to get through
.
MODE
. Keep button pressed to get through
.
ON/HOLD
pressed.
5. Operation 27
MODE .