The MAT-1 Data Logger™ is a device that is capable of recording absolute orientation (tilt), acceleration (including vibration) and temperature. The logger contains three sensors: a 3-axis magnetometer, 3-axis accelerometer and a thermistor. The logger uses a microSD flash card to store data and a long-life lithium battery that runs for months to years depending on recording rates. The system, packaged in a tough, waterproof PVC (300m depth) or titanium (4500m depth) case, is suitable for continuous use in a wide variety of demanding applications, including underwater.
 
Applications
The MAT-1 Data Logger has a wide range of uses on land and at sea. It can be used as a motion sensor to record vehicle use on land or to analyze underwater vehicle dynamics at sea. It can monitor the condition of goods during transit, including orientation, temperature, and vibration. Oceanographers are using the logger as a tilt meter to measure and map ocean currents and temperature on the bottom for fisheries management, current modeling and ecological studies.