Calibrating Instrument - TESTO 206 Instruction Manual

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:
Lower value:
values quickly.
3 Finish setting:
- 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.

5.4 Calibrating instrument

Please also adhere to the instructions supplied with the buffer
solution (Testo buffer: see label).
The instrument is switched on and is in the measurement mode.
1 Open calibration mode:
- testo 206-pH3 with pH probe without temperature sensor: The
set temperature value for manual temperature compensation is
displayed for 2s. The value must correspond to the
temperature of the buffer solution.
- Calibration point (4, 7 or 10) is shown and CAL flashes.
. Keep button pressed to get through
CAL
MODE
. Keep button pressed to get through
CAL
.
MODE
ON/HOLD
.
CAL
.
pressed.
5. Operation 11
.
MODE