9 Apparatus and instruments for measuring, signaling, temperature, humidity, pressure and flow control, namely, electrical controllers and power distributoring boxes; thermostats; temperature regulators; electrical and electronic valves for controlling and regulating fluids; electrical and electronic temperature regulating faucets; temperature sensors, temperature control devices, namely, thermometers and thermostats; pressostats; pressure regulating valves for space heating and air conditioning technology; electrical and electronic pressure regulating faucets; pressure sensors; pressure controlling devices, namely, pressure gauges, pressure indicating plugs for valves; flow-through controllers and regulators of gas and liquid for domestic and commercial use; control valves for regulating the flow of gases and liquids; electrical and electronic flow regulating faucets; flow-through control devices, namely, water meters, solenoid valves, and sensors; measurement reading devices, namely, gauges, thermostats, thermometers and measurement sensors; temperature, pressure, moisture and flow-through electronic controllers for use with heating and air conditioning systems; electronic servo motor controllers; electric cables, wires, conductors and connection fittings therefore; photo voltaic cells also including a solar thermal collector sold as a unit; climate control systems consisting of digital thermostats for cooling equipment, and a programmable logic controller (PLC) with input and output features for temperature and humidity, which works with a remote digital read out controller; environmental monitoring system comprised of meters and sensors that measure pressure, humidity, temperature and includes alarm and reporting functions; humidity sensor with integrated digital and analog output circuitry used in automotive, appliance and light industrial applications to sense both relative humidity and temperature environmental conditions; measuring apparatus for temperature and humidity levels in gases and solid substances; sensors for the determination of temperatures, positions and distances; temperature indicators; temperature meters not for medical use; temperature sensors; temperature switches: temperature switches and sensors for monitoring, controlling, and switching hydraulic or pneumatic systems; electronic-based instruments for measuring environmental parameters including humidity, mold, bacteria, air quality and water quality; humidity sensor with integrated digital and analog output circuitry used in automotive, appliance and light industrial applications to sense both relative humidity and temperature environmental conditions; measuring apparatus for temperature and humidity levels in gases and solid substances; wireless remote temperature and humidity monitors for building maintenance; automatic liquid-flow control machines and instruments; control valves for regulating the flow of gases and liquids: electronic test instrument and associated software for use in leak, flow and functional testing; flow meters; flow regulators for domestic and commercial use; flow switches for monitoring and controlling the flow of gasses or liquids; gas appliance alarm timer for detecting and alerting the presence of gas flow after a prescribed period of time; micro sensors for measurement of pressure, acceleration, force and flow, namely, silicon piezoresistive pressure sensors; high pressure manometers; high-pressure pumps for proportioning and testing purposes; pressure control equipment, namely, blowout preventers; pressure gauges; pressure indicating plugs for valves; pressure indicators; pressure sensors; pressure switches and sensors for monitoring, controlling, and switching hydraulic or pneumatic systems; pressure transducers and transmitters that convert hydraulic or pneumatic pressure into analog electrical signals for monitoring and controlling hydraulic or pneumatic systems; pressure transmitters; electrical resistance heating wires and electrical controllers therefore; power controllers; centrifugal metering pumps; controlled volume pumps