1、 What is grounding? Grounding is a low resistance connection between a circuit or device and the ground. Any electrical system requires appropriate wiring and grounding to achieve safe operation of equipment. Proper wiring requires that the system, all loads, and circuit components be properly grounded and comply with industry standards, IEEE, and other recognized organizational standards, guid

Precision refers to the maximum allowable error that occurs in a specific usage environment. In other words, accuracy is used to indicate the closeness between the measured value of the digital Multimeter and the actual value of the measured signal. For digital Multimeter, accuracy is usually expressed as a percentage of reading. For example, a reading accuracy of 1% means that when the d