CEE-I electro magnetic particle flaw detector is small portable nondestructive testing special instrument, which has ac-dc two output function. Using Silicon Controlled Thyristor (SCR) composed of non-contact electronics, circuit, which with advantages of lower noise, long life, small volume, light weight, big lifting force. Technical indicators: The power supply voltage: AC 220V Probe working voltage: AC 36V, DC 8V Lifting Power: horseshoe probe (A ) > = 4kg , electromagnetic yoke probe (D) >=6kg, DC>=36kg, ring type probe (O ) 1800TA