EMC Test System
An electric product might cause the malfunction to other electric appliances by discharging the emission noise from it, or is oppositely caused the malfuction by the emission noise from other electric appliances. The former is checked by the EMI test and the latter is checked by the EMS test. The international standard like the CISPR standard is provided so that such an accident should not happen, and the manufacturer must declare by themselves beforehand that their product meets the standard. The generic name of the EMI test (Electro-Magnetic Interference) of the emission measurement and the EMS test (Electro-Magnetic Susceptibility) of the immunity