Here is a basic education using a voltmetermultimeter showing how electric fields from electronic devices around you increase your body voltage and how grounding or earthing will relieve the. You will hold the bare copper strip at the end of this red wire in your hand to take a body voltage measurement.
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Body voltage measurement instruction. Body voltage testing is the most accurate and useful method for measuring the elf electric fields emitted from power lines wiring lights appliances and other electrical sources. Then plug the cord back in to the wall still keeping the cord on your lap and take a second measurement. The multimeter is the red handheld digital meter that will measure and display the ac voltage. Test the wall outlet that you are going to use as the grounding source with the supplied outlet. To go directly to any chapter click the time links below. Lay the power cord over your lap or across your body.
Set the meter range to 20 v to the lower right of the dial. Make sure you plug the lead firmly into the meter until you feel it click into place. Fit the metal banana plug into the other side of the binding post. Determining exposure levels will complement measurements of an ac electric field meter measures the amount of ac voltage attached to the human body from the following. Ac electric fields from live electrical wires are attracted to the human body. You should now have something that looks like the.
Helpful video instruction by michael neuert an engineer with over 23 years experience testing electromagnetic fields. The body voltage meter indicates the level of ac voltage on the body from its surroundings. Turn off the main electrical breaker switch for the whole building so that everything inside the home is. Instructions cut the ground cable to desired length. Unplug the power cord from the wall and take a body voltage measurement. Crimp on the spade terminal to one end.
Plug the ground cord outlet connector into the. You should see the body voltage measurement go up significantly when you do this usually by 10 volt or more. Electrical wires hidden in the ceilings walls and floors. Determining exposure levels will complement measurements of an ac electric field meter measures the amount of ac voltage attached to the human body from the following. On other meters this may be written 20 vac or 20 acv or on auto ranging meters just v or vac or acv press the red button to turn on the meter. Plug the ground cord with the attached outlet connector into the meters ground connection point com.
Fit the spade terminal into one end of the binding post and tighten. This test kit will indicate the level of ac voltage on the body from the surroundings. The skin probe is the red wire assembly that is plugged into the upper plug in on the multimeter.
Gallery of Body Voltage Measurement Instruction
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