Non-metallic Magnet Sensor Stick

Description

Specifications:
Ideal for testing solenoid valves in pnuematic & hyraulic control equipment. Also for relays with coils, and solenoid valves.
Responds to all kinds of magnetic fields (AC, DC, permanant magnets etc).
Tip glows RED when magnetic field is detected.2 x AAA batteries & test cap with magnet included.