The HOBO Pendant G Acceleration Data Logger is a waterproof, three-channel logger with 8-bit resolution and can record up to approximately 21,800 combined x-, y-, and z-axis acceleration readings or internal logger events. The logger uses a coupler and optical base station with USB interface for launching and data readout by a computer.
The logger can be used for a wide variety of experiments, demonstrations and field studies by measuring dynamic acceleration resulting from motion, shock, or vibration. It can also detect static acceleration of gravity, making it possible to measure tilt, activity, and inclination.
The logger uses an internal three-axis accelerometer with a range of ± 3 g based on micromachined silicon sensors consisting of beams that deflect with acceleration. These beams are arranged to act as a variable capacitor. As the beams move, the capacitance changes proportionately. This capacitance change is converted to voltage, filtered and measured by the logger, and displayed in the software in units of g-force.
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