9 Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signaling, checking, supervision, life-saving and teaching apparatus and instruments, and testing apparatus, not for medical purposes, namely, surveying instruments, scales and water meters; Scientific apparatus and instruments for use with membrane filtration, namely, water filter controllers and computer software for detecting and measuring water quality; Scientific apparatus and instruments for use with membrane filtration, namely, scientific instrumentation for measuring the level of invasive marine species in ballast water; measuring apparatus, namely, pressure measuring apparatus, density measuring apparatus and pH measuring apparatus; monitoring instruments, namely, fluid level sensors, and pressure sensors; electrical apparatus for monitoring, namely, fluid level sensors, pressure sensors, and electric sensors; nautical apparatus and instruments, namely, water testing instrumentation for monitoring and detecting contamination and the presence of invasive marine species; apparatus and instruments for physics, namely, instruments for detecting and measuring two-dimensional distribution of force and pressure, microsensors for measurement of pressure, acceleration, force and flow, namely, silicon piezoresistive pressure sensors, and vernier scales and calipers; laboratory filters and membrane filters for scientific apparatus; chemistry apparatus and instruments, namely, laboratory chemical reactors; diagnostic apparatus, not for medical purposes, for testing water, for the detection of pathogens for laboratory or research use; water invasive species detectors; spectroscopes; optical apparatus and equipment, namely, optical lenses, and optical condensers; amplifying apparatus and correctors in the nature of amplifiers and transformers; security, safety, protection and signaling apparatus and equipment, namely, sensors for measuring concentrations of chemicals in water; measuring, detecting and monitoring instruments, devices and regulators, namely, pressure sensors; monitoring, measuring, signaling and checking being supervision apparatus and instruments for ballast water treatment and ballast water management systems, namely, fluid level sensors; metering apparatus in the nature of gas meters, pH meters, and water meters, in particular for metering systems for ballast water treatment; computers and audiovisual apparatus in the nature of televisions and computer monitors and screens; data processing apparatus and computers; computer programs for operation of metering systems for ballast water treatment and analysis of ballast water treatment systems; computer software for operation of metering systems for ballast water treatment and analysis of ballast water treatment systems; apparatus and instruments for conducting, switching, transforming, accumulating, regulating and controlling electricity, namely, electrical switches, transformers, cables, accumulators, voltage regulators, and controllers; electronic display boards in the nature of electric luminescent display panels; electrical installations for the remote control of industrial processes being remote controls for ballast water treatment systems