I’m working on a project involving the need to precisely move a tool based on the measured distance ... have the sensor in a position where it would need four feet of space to work.

Kaman Precision Products has range of mm-scale displacement sensors that work at temperatures up to 538°C and pressures up to 5,000psi. In use, they mount into a hole in one flat surface, and measure ...

Here’s how it works. A new electronic sensor can remotely detect the beat of a human heart from up to 3 feet (1 meter away). The sensor, developed by researchers at the University of Sussex ...