Radar Technology Information

Gems Sensors & Controls
Everyone has heard of radar before, whether that be used for ships to help in navigation and collision avoidance or when watching your local TV news channel report on the weather with their Doppler Radar equipment.

4-20 mA Two-Wire Current Loop Basics

Gems Sensors & Controls
Many Gems sensor products offer a linear 4-20 milliamp (mA) output signal for transmitting to a receiver (meter/display, PLC, etc.) when measuring level or pressure.