This Portable Magnetic Inspection Equipment is developed for testing the casting quality by using magnetic particles. It is easy for maintenance and gives quick flaw detection. It is high sensitive, low rate of failure and ease of operation. Its electric function helps one instrument to perform all the function to several one. It has different types of probes A, D and O which can be fitted easily. Consist of SCR trigger circuit, this instrument select all electronic components strickly. It has reliable and stable working performance and low failure rate.