User's Guide __________________________________________________________________________
8 __________________________________________________________________________ U421EN-1.1
11.
Stop the output with the ESC-button (or by typing
MF
_
MODE
0).
12.
The difference between the average reading and the actual
concentration of the reference gas shall be within the long term
stability specifications of the probe. If there is need for calibration,
please refer to the chapter
Two- point calibration.
13.
Disconnect the gas flow and remove the probe from the chamber.
NOTE
If the error of the output reading for some reason is more than 20%,
please send the probe to Vaisala for service.
