Extech MD10 - Non-Contact Magnetic Detector

The MD10 is a non-contact magnetic detector with an integrated indicator light. A blue LED lights up, indicating the presence of a magnetic field that includes AC, DC, and permanent magnets without contact. Applications include: testing speakers, repairing solenoid valves in hydraulic and pneumatic control equipment, and testing relays with coils and electrically controlled solenoid valves in vehicles and machinery. Supplied with two AAA batteries.