This device is a Microsense Sensor For the Voyager & Observer Loggers

Description: Intended for educational investigations into the characteristics and strength of magnetic and electromagnetic fields. The device contains a miniature Hall effect solid state sensor mounted on a flexible probe to allow easy access to coils etc.

Nominal Accuracy: +/- 9%.

Range: -90 to +90 mT magnetic flux density (B).

Applications: Magnetic field through a coil, electromagnetic induction.

Often used with a sensor extension lead.