Dielectric tests apply a high level of alternating currents (AC) or direct currents (DC) to the insulation barrier and measure the reaction of the material. AC voltage is more commonly used in dielectric testing.
- Turn the dial to ṽ. Some digital multimeters (DMMs) also include m ṽ . ...
- First insert the black lead into the COM jack.
- Next insert the red lead into the VΩ jack. ...
- Connect the test leads to the circuit: black lead first, red second. ...
- Read the measurement in the display.