Measuring instruments used to measure leakage of gases; computer programmes used to process output signals from gas sensors and/or gas detectors to improve the performance of gas leak detection; computer software used to process output signals from gas sensors and/or gas detectors to improve the performance of gas leak detection; monitors containing software and programming used to process and emit output signals from gas sensors and/or gas detectors to improve the performance of gas leak detection; information processing systems comprising analog or digital signal inputs, microprocessor or central processing unit (CPU), software or firmware, and a human-machine interface (HMI) or man-machine interface (MMI), used to process and emit output signals from gas sensors and/or gas detectors to improve the performance of gas leak detection; data processing equipment; smoke detectors; gasometers; densimeters; electronic instruments for detection and quantifying of leakage of fluids

[ Installation, repair, maintenance and/or servicing of computer hardware; performance of leakage testing with tracer gas for the purpose of assessing the integrity of a fluid-containing part or assembly in conjunction with installation, maintenance or repair of such part or assembly; performance of leak location testing with tracer gas to identify the position of leak points in a fluid-containing part or assembly for the purpose of allowing repair or replacement of the leaking part ]