Siemens 3UG4651-1AW30 Speed Monitoring Relay Digital SPDT-CO

LCD - Liquid Crystal Display

DC - Direct Current

AC - Alternating Current

Digital - A system that uses only 0s and 1s to transmit data

RPM - Revolutionss per minute, the number of rotations per minute around a fixed axel.

speed - A measurement of how fast an object travels between two points

Adjustable - Something that can be changed or slightly modified to fit.

Wide - Something with a large width.

Manual - A book of instructions to build or operate items, also a form of labour which your hands are used.

Voltage - A measurement of volts.

Adjustable - Something that can be changed in order to fit better.

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