Thiết bị kiểm tra động cơ điện và pha Megger
- Complete phase-sequence and motor-rotation testing in one instrument
- Ensures correct phase hookup in one easy test
- Rugged and portable tester
- Performs additional polarity and continuity checks
The motor and phase rotation tester permits the electrical contractor or industrial maintenance electrician to permanently connect and tape the terminals of the motor being installed, without having to first energize the motor by a temporary hookup from a power source, if available, to determine motor rotation. Therefore, the test set eliminates the need for temporary connections that can be time consuming, costly and quite hazardous, particularly where many large, high-voltage motors are involved.
Also, certain types of drives should never be rotated in the wrong direction. In such cases, the temporary hookup or trial method, having a fifty-fifty chance of being wrong, can do serious harm.
The three motor leads on the left side of the test set are for attachment to the terminals of the motor being tested for rotation determination.