Kui vesinikumõõtesüsteemi osale on ette nähtud tajuri paigaldamine, siis selle tajuri kohta kehtib sama kestvus, st et tajuriga tuleb teha sama vastupidavuskatse nagu selle vesinikumõõtesüsteemi osaga, millele see on paigaldatud.
If a sensor is intended to be installed on a part of a hydrogen measurement system, the same endurance applies to this sensor, i.e. the sensor must be subjected to the same endurance test as the part of the hydrogen measurement system on which it is installed.