Calibration
75
EN
11.3 O
2
-Calibratation
11.3.1 Calibration interval
•
Perform an O
2
–calibration before each
measurement and after replacing the
membrane set.
NOTE!
There is no need to remove the anti-collision
hood before the calibration.
11.3.2 Calibration
Fig. 60: O2- calibration
•
Connect the O
2
- Probe to the meter and
switch it on.
•
Press O
2
-key to select %.
•
Hold the probe in air and wait a few minutes
until the reading is stabilized.
•
Press and hold CAL-key for 2 seconds for
100 % saturation calibration.
CAL Icon is flashing in the LCD.
•
When the reading is stabilized after some
seconds, press
ENTER
.
or
•
You can stop the calibration by pressing
CAL
again.
After the calibration the displayed value should
be between
Nach der Kalibrierung sollte der angezeigte Wert
zwischen 99,0 % und 101,0 % liegen.
Error Message
If the meter cannot perform a correct calibration,
ERR will flash on the display.
Possible reasons:
- electrolyte level too low
- defective probe
- insufficient adjustment time
Stabilization period
Under the following conditions, the meter
requires an adaptation time of approx. 1 hour.
•
Switch the device on and leave it for about
one hour,
- when the O
2
probe has just been connected to
