TESTO 300 - Page 70

14 Performing the measurement
68
2
Start measurement: tap .
3
Zeroing is carried out.
4
Position the flue gas probe in the core flow (area of the highest flue gas
temperature). The display of the maximum measured flue gas
temperature in the core flow helps when positioning the flue gas probe.

Measurement (duration 3 min.) can be started as soon as of the O
2
reading is below 16%.
5
tap .

The qA readings (O
2
, FT, AT), draught reading, CO mean value and
NO mean value are calculated (3 minutes).

The readings are automatically saved.

The measuring result is displayed after the measuring phase has
been completed.
If the O2 readings exceed 16% during the measurement, no mean
values are displayed on the result screen.