Magnafield manufactures magnaport 2000 wg, an electromagnet crack detector, specially designed for use as a mobile unit. It is mounted on a wagon with two sturdy rubber wheels and a v rest. The equipment is easily pushed around and manoeuvred into a desired position by one person. A spacious tray with cover has been provided on top of the equipment for storage of all accessories. The equipment is suitable for detecting all surface cracks and sub-surface cracks up to a depth of 6 mm in ferromagnetic objects of any shape and size. Demagnetisation is achieved by coil or prod method. Facility for remote control operation has been provided. Mobile units with outputs up to 6000 a are in regular line of production.