The cross yoke GAZ 42 KM consists of two AC yokes dis-placed by 90° so that both longitudinal and transverse cracks can be detected in one single operation. Two wheels on each magnetic pole guarantee a constant air gap and enable the yoke to be moved easily over the test surface.
The GAZ 42 KM isconnected to a separate transformer.
Technical data:
Conform to EN ISO 9934-1: JEW
Electrical supply 2 x 42 VAC
Frequency 50...60Hz
Pole cross section 28 x 27,5 mm
Weight - cross yoke 10.2 kg
Pull-off strength 2 x 140 N