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An electromagnetic transducer that is a physical object made of conducting material which is capable of radiating or receiving electromagnetic waves.
A physical object intended to prevent something to pass.
A physical object intended to prevent something to pass.
An attenuator is a telecommunication device that reduces the amplitude of a signal without appreciably distorting its waveform. Attenuators are usually passive devices. The degree of attenuation may be fixed, continuously adjustable, or incrementally adjustable.
An attenuator is a telecommunication device that reduces the amplitude of a signal without appreciably distorting its waveform. Attenuators are usually passive devices. The degree of attenuation may be fixed, continuously adjustable, or incrementally adjustable.
A self-controlled device for making, carrying, and automatically interrupting and reclosing an alternating-current circuit.
A self-controlled device for making, carrying, and automatically interrupting and reclosing an alternating-current circuit.
An automatic tracking system used on ships and by vessel traffic services (VTS) for identifying and locating vessels.
An automatic tracking system used on ships and by vessel traffic services (VTS) for identifying and locating vessels.
A physical object that is automatic and designed to initiate the operation of circuit-breakers and/or disconnectors in a substation according to a specific programme.
A physical object that is automatic and designed to initiate the operation of circuit-breakers and/or disconnectors in a substation according to a specific programme.
A dynamic compressor in which the gas is accelerated by the action of a bladed rotor and where the main flow is along the rotation axis of the rotor.
A dynamic compressor in which the gas is accelerated by the action of a bladed rotor and where the main flow is along the rotation axis of the rotor.
A detecting element that is intended to detect axial displacement.
A detecting element that is intended to detect axial displacement.
A transmitter measuring an axial displacement and generating a standardized output signal representing the axial measured displacement.
A transmitter measuring an axial displacement and generating a standardized output signal representing the axial measured displacement.
Is a gas flow damper intended to adjust an air flow rate through a duct.
Is a gas flow damper intended to adjust an air flow rate through a duct.
A ball valve that is equipped with an actuator that manipulates a stream of fluid in the response to a signal from an external sensing element and with input of energy from an external source.
A ball valve that is equipped with an actuator that manipulates a stream of fluid in the response to a signal from an external sensing element and with input of energy from an external source.
A rotary valve that has a ball closure member.
A rotary valve that has a ball closure member.
A railing or wall to provide a protective edge to prevent people from falling over the edge of stairs, a roof or mezzanine work area.
A railing or wall to provide a protective edge to prevent people from falling over the edge of stairs, a roof or mezzanine work area.