The Spacemag-Lite from Bartington Instruments is a Magnetometer with Mass 42 - 94 g, Measurement Range ± 60 µT, Frequency Response 5% amplitude error DC to 100 Hz, Supply Voltage 3.3 to 5V, Current Requirement 8.5 mA to 35 mA. Tags: Three Axis Magnetometer. More details for Spacemag-Lite can be seen below.