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PL 10 A.C. Magnetizing Coil

The new PL10 is a 10" I.D., A.C. coil designed for magnetic particle inspection of ferrous metal parts. The coil allows for utilization of either dry powder or wet fluorescent inspection mediums and may be used for demagnetizing as well.

The PL10 is molded in tough, black polyurethane. The coil comes equipped with a foot switch and 10 foot yellow, neoprene power cord. The sealed electrical connection box has a 2" × 4½" flat base allowing the coil to stand in a vertical position. Electrical operation is from a standard 115-120 VAC, 60 Hz power source or a 12 VDC battery. The model PL10-S coil is available for operation on 230 VAC, 50 Hz. The coils are designed for a 50% duty cycle and are equipped with thermal overload protection. Coils comply with all applicable specifications.

Instument Description
The PL10 is a 10" I.D. A.C. Magnetizing Coil for magnetic particle inspection of ferrous metal parts. The PL10 can utilize either dry powder or wet fluorescent inspection mediums and may be used for demagnetizing as well. The outer shell of the PL10 is cast of a tough polyurethane. The coil is equipped with a foot switch and 10 foot primary power cord. The PL10 coil comes with a plastic carrying case.

Electrical
The PL10 magnetizing coil is designed for use on 110-120 VAC, 60 Hz. When necessary the coil may be operated from a 12 V battery. At 115 VAC, the coil will draw approximately 12 amps.

OPERATION

Plug the power cord of the PL10 into any 115 VAC, 60 Hz outlet. Depress the foot switch. A definite magnetic pull will be felt by insertion of a ferrous metal object into the center of the coil. Inspection is accomplished by placing the part longitudinally parallel to the axis of the coil, within the center of the coil nearer the outer circumference (see figure.) Activate the foot switch and apply the inspection medium while the coil is energized This is referred to as the continuous method and will reveal defects at right angles to the coil axis.

While using the wet method, allow the coil to remain energized for approximately two seconds after applying the wet medium. Remove the part for inspection.

To demagnetize a part after inspection, simply place the part within the coil near the outer circumference. While the coil is energized, remove or pull the part approximately two feet away from the coil before turning the coil off. Larger parts may be demagnetized by placing the coil directly over the part and withdrawing the coil in the same manner.

CAUTION: The PL10 coil is designed for a 50% duty cycle, or approximately two minutes on and two minutes off. If a slightly longer on-time is required, be sure the time off is the same length of time. Continuous operation may cause overheating and damage the coil. The coil is equipped with an internal thermal switch.