Calibration - Honeywell Envitec MySignO Operating Manual

Oxygen measuring device MySign
4.9

Calibration

The system must be calibrated in accordance with its use, in clean ambient air and at an
oxygen concentration of 21% or using pure oxygen (oxygen cylinder, oxygen supply system) at
an oxygen concentration of 100%.
Ambient air
Pure oxygen
We advise calibrating the system in air or 100% oxygen before every new
measurement or once per day to ensure that the measurements are correct in the
event ambient conditions have changed.
28
21%
100%
®
O
Press the relevant function key depending on
the application.
Doc no.: 065-07-1001825_MySignO_GB-0.pdf / 12.11