Interferometry is a long-established technique that uses shifts in interference patterns between a light-wave as source and a ...

pressure and the like are sent to analog IO pins. Each pin has a meter with a trimmer pot for calibration and a custom printed label. There’s also a digital output that goes high when a severe ...

Certified Control System Technicians (CCSTs) calibrate, document, troubleshoot ... Frequency cannot be measured with an analog meter multimeter, because the moving coil construction of the analog ...