testo 435 Bedienungsanleitung Seite 48

48 6. Setting the instrument
Press
3
channel no.
Assign the radio probe to the chosen channel no. with
4
function with
Humidity probe calibration (435-2/-4 only)
This function is only available if a humidity probe is plugged in.
The calibration values can be reset to the default settings (Reset). A 2-point
calibration can be performed.
Resetting t t he c c alibration v v alues:
The configuration menu is open, config. is displayed.
Probe
1
Press
2
- The calibration values are reset to the default settings.
Calibrating:
The configuration menu is open, config. is displayed.
Probe
1
Press
2
pressing
Put the humidity probe into the reference medium and wait for the
3
equalisation period to elapse.
- The current humidity reading and the calibration point (nominal value) are
displayed.
Start the calibration menu with
4
Save calibration with
5
P internal (435-3/-4 only)
The internal pressure sensor can be switched on/off.
Switching t t he i i nternal p p ressure s s ensor o o n/off:
The configuration menu is open, config. is displayed.
Device
1
Press
2
/ to select the probe that is to be assigned to the chosen
, without changing the probe configuration.
ESC
Calibr.
OK
/ to select Reset and confirm by pressing
Calibr.
OK
/ to select calibration point P1 or P2 and confirm by
twice.
OK
OK
P intern
OK
/ On or Off and confirm with
.
OK
.
OK
.
OK
or cancel calibration with
.
OK
or exit the
OK
OK
.
ESC
.
OK
twice.