5.8 Inscriptions/markings

All inscriptions and markings shall be made on clearly visible parts of the instruments.

The gas analyzer in the gas analytical system shall be inscribed indelibly and irremovably with the following information:

• manufacturer’s trademark/corporate name;

• symbolic designation of the gas analytical system;

• serial number;

• year of manufacture;

• type approval mark;

• power supply parameters (voltage, frequency, power consumption).

Each constituent part (unit) of the gas analytical system shall be inscribed with the following information:

• symbolic designation of the unit;

• serial number;

• year of manufacture;

• gas analytical system to which it belongs;

• power supply parameters (voltage, frequency, power consumption).