Vaisala GMK220 User Manual download pdf (Page 10)

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.

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Vaisala GMK220 User Manual Page 10