전기 장비나 전선의 절연 상태를 확인하기 위해 고저항을 측정하는 휴대용 시험 기기.
A portable instrument used for measuring electrical insulation resistance.
예문:
"The electrician used a meg to ensure the motor windings were not grounded."
"A low reading on the meg suggests that the insulation is deteriorating."