Magnetic Particle Inspection HCDX-Y7 is a durable, AC/DC, Battery powered yoke designed to detect surface and sub-surface indications in the most rugged applications. Featuring sealed chemical-resistant construction, articulating legs to contour to any part shape and robust strain-relieved twelve-foot cord for field use, the HCDX-Y7 is ideal for inspection of welds and other remote testing. Solid-state controls allow the operator to use AC magnetic fields for surface indications or DC magnetic fields for sub-surface indications to meet all inspection needs. There are places directly connected to AC power supply, which can be directly connected with AC power supply. It is possible to use AC magnetized power supply (DC-AC inverter battery pack) to supply AC powerwithout any direct insertion to AC power supply.