Some devices used to extend our ability to see are detectors that see wavelengths beyond human capabilities. Radio telescopes that see stars that a normal visible light telescope cannot see. Visible detectors that can see light that is very dim with respect to the background. Our hearing is limited by the range of pitches we can hear and the loudness of the sound. Ultrasound devices detect sounds of very high frequencies.
Some sonar equipment detects sounds of very low frequencies or pitches.
Our smelling capability is limited to a certain number of chemical compounds in the air. There are devices that can detect smell that we cannot. There are many chemical devices to detect various compounds that go well beyond what the human tongue can detect. For example, litmus paper can tell if a compound is acidic or base. For example, there are scales that can measure the weight or pressure caused by small insects that a human could not detect.