9 Measuring, signaling, detecting, monitoring, checking and inspection apparatus and instruments; leak detection apparatus; gas analyzers (non-medical); gas leak alarm apparatus; apparatus and instruments for recording, transmitting, reproducing or processing sound, images or data, all used for or in connection with the detection and mapping of gas leaks and emissions; recorded and downloadable media, computer software, tablet computers, monitors, computer peripherals, blank digital or analog recording and storage media, database software, all used for or in connection with the detection and mapping of gas leaks and emissions