9 Measuring, detecting and warning apparatus and instruments; parts and fittings for all the aforesaid goods; all for use in monitoring, analysing and detecting gases and in identifying and detecting a specific constituent in a mixture of gas; portable and/or wearable gas detecting and gas monitoring instruments; parts and fittings for all the aforesaid goods; portable single and multiple gas detection and measurement instruments and fixed installation sensing heads and systems; parts and fittings for all the aforesaid goods; aspirator pumps (electric and bulb operated), auto calibrators, battery charges, battery packs (rechargeable and dry cell), belt clips and harnesses (safety), carrying cases (protective), data loggers, filters (measuring), software for data downloading and graphic display, calibration and configuration software, electrochemical gas sensors, heated catalytic gas sensors, thermal conductivity gas sensors, non-dispersive infrared gas sensors; probes and sondes.
