Who Are “The Big Six” Book Publishers

Who Are “The Big Six” Book Publishers

The expression “The Big Six” is generally utilized inside distribution and book publishing circles to discuss the six biggest publishers and distributors in the business. Each one of these six publishers has a huge collection of imprints and many distribution centers that dwell with relative independence inside the bigger distributed umbrella. Here’s an outline of who the Big Six are and the place they fit in the present day corporate world:

Gauss Meter’s Working Principle

Gauss Meter’s Working Principle

Also known as a magnetometer, a gauss meter is a measurement device designed to measure the direction and strength of a magnetic field. It is also available in small, hand held form, which can be easily carried by a person to monitor magnetic fields as he/she walks.

Gauss meter comes in two types, scalar and vector. While the scalar gauss meter measures the strength of the magnetic field present in the area around the device, the vector gauss meter measures the direction of the magnetic field according to the device location and to which direction the device points. There are gauss meter models that combine both scalar and vector technologies.

Phase Sequence Meter – Types And Applications

Phase Sequence Meter – Types And Applications

What is Phase Sequence Meter?

Phase Sequence Meter is an electromagnetic test and measurement instrument that indicates the phase sequence in a given three-phase electric circuit. Simply said, the phase sequence meter has the ability to show the direction or rotation of the three-phase motors. This portable and sturdy induction instrument is most commonly found in a form of a small electric motor which contains aluminum disk. The purpose of the aluminum disk is to indicate the phase sequence by rotating upon a given magnetic field in which three currents run in three windings. This induction test and measurement instrument has three terminal marks to which the phase sequence corresponds.