TESTO 400 - Calibration

9 Operation
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9.7.2 Calibration
For all sensors, calibration data can be stored under the Measurement
parameter tab for individual measurement parameters.

The probe is connected to the testo 400.
1
Click on .

Main menu opens.
2
Click on Sensors.

The Sensors menu opens.
From 14 days preceding expiry of the calibration reminder, a notice is
displayed in the sensor management for the relevant probe – Please
calibrate in x day. In addition, an orange dot is displayed in the
Sensors main menu as an indicator.
If the calibration reminder has already expired, the notice changes to
Please carry out calibration.
3
Click on one of the displayed probes.

Information is displayed about the model, order number, serial number
and firmware version.