9 Gas analysis equipment, not for medical purposes, namely, equipment for analyzing gases and air; non-medical gas analysis parts for use with gas testing instruments, namely, suspended wash bottles for maintaining constant pressure upstream of a gas analyzer, gas scrubbers parts of a gas analyzer, and control valves for regulating the flow of gases in a gas analyzer; scientific apparatus and instruments, namely, analyzers for measuring and detecting of chemical components in exhaust gases; optical apparatus and instruments, namely, fiber optics, fiber optic couplings, optical sensors, fiber optic cables, optical signaling cables, optical inspection apparatus, optical lenses, signal mirrors; weighing apparatus and instruments; measuring apparatus, instruments and appliances, namely, particle counters, automatic fluid composition control machines and instruments, automatic liquid-level control machines and instruments, automatic pressure control machines and instruments, concentration meters, measuring apparatus for measuring concentration of gases, measuring apparatus for measuring particles in gases, measuring apparatus for measuring air quality, measuring apparatus for measuring contaminants and environmental pollutants in gases, measuring apparatus for measuring humidity, temperature, pressure, quantity, concentration and viscosity of gases, pressure measuring apparatus, and gasometers; flow measuring apparatus, namely, flow meters, flow cytometers, and flow-based analyzers providing cell and particle analysis, detection, or counting for scientific, laboratory, and general research; signaling, checking and monitoring apparatus and instruments, namely, liquid alarm sensors, and alarm sensors; detectors, namely, oxygen detectors, carbon monoxide detectors, carbon dioxide detectors, nitric oxide detectors, and gas detectors for detecting the presence of gas; alarms, namely, gas alarms, liquid alarms, liquid-level alarms, alarms for the detection of inflammable gases, and alarm monitoring systems and detectors for detecting the presence or the proportion of a gas in a gas mixture; diaphragms for scientific apparatus, namely, diaphragms for gas analyzers; probes, namely, gas sampling probes; temperature controlling apparatus for use in gas analyzers; calculating machines, data processing equipment and computers; computer software, namely, software for processing electronic data in a gas and air analysis apparatus; electric and electronic regulating and control apparatus, namely, electronic control panels, and electronic apparatus for the remote control of industrial operations