Hand-held exhaust emissions testers; portable test equipment; electrochemical sensors; infrared test benches for testing and calibrating infrared equipment or sensors; calibration devices; scientific, electrical and electronic apparatus and instruments for testing, calibration of test equipment, displaying and/or printing data, monitoring, recording, indicating, data logging, analysing, sensing, detecting, measuring, checking, metering of electricity, electrical and electronic circuits, ambient gases, exhaust gases, environmental gas, exhaust emissions, combustion efficiency, environmental parameters, air quality; combustion probes, combustion efficiency analysers and combustion testing equipment; portable flue gas analysers; single-gas pocket analysers; portable multi-gas data logging units and devices for semi-continuous monitoring of gas; apparatus for monitoring electrical data and energy consumption for domestic and industrial heating and ventilation installations and services; automotive emissions analysers; portable exhaust gas analysers; air quality monitors; leak detectors; gas leak detectors; hazardous gas detectors and warning instruments; hazardous gas detectors for detecting the presence of gases; hazardous gas detectors for detecting the presence of gases and containing warning instrument that produces audible tone when preset concentrations of gases are detected or exceeded; electronic and electrical test meters; electronic and electrical test meters in the nature of meters for detecting and measuring electrical currents; pressure meters; thermometers; multimeters; software; computer programs; computer hardware; downloadable mobile applications; apparatus for recording, transmission or reproduction of sound or images; computer hardware and software for parallel processing, digital signal processing, image processing; video surveillance apparatus and instruments; security and access control apparatus and instruments; optical apparatus and instruments; parts, fittings and accessories for all of the aforesaid goods.

Installation, repair and maintenance services for scientific, electrical and electronic apparatus and instruments, combustion efficiency analysers, flue gas analysers, combustion testing equipment, automotive emissions analysers, exhaust gas analysers, air quality monitors, hazardous gas detectors and warning instruments, electronic and electrical test meters, electronic and electrical test meters for detecting and measuring electrical currents; installation, maintenance and repair of computer hardware, image processing, video surveillance, security and access control, and optical apparatus and instruments; information, consultancy and advisory services relating to the aforesaid.

Testing the scientific, electrical and electronic apparatus and instruments, combustion efficiency analysers, combustion testing equipment, automotive emissions analysers, air quality monitors, hazardous gas detectors and warning instruments, and electronic and electrical test meters of others to determine conformity with certification standards, product quality, and product safety; conformance testing, quality testing, safety testing and certification services for scientific, electrical and electronic apparatus and instruments, combustion efficiency analysers, combustion testing equipment, automotive emissions analysers, air quality monitors, hazardous gas detectors and warning instruments, electronic and electrical test meters, electronic and electrical test meters of others to determine conformity with certification standards, product quality, and product safety; calibration services; software research, testing, creation, design, development, implementation, programming, customisation, updating, repair and maintenance; hosting computer websites, software as a service [SaaS], and rental of software; information, advisory and consultancy services, design and updating services relating to computer hardware and software; computer programming; rental and leasing of computer hardware and software; information, consultancy and advisory services relating to the aforesaid.