MATEMO
A Deep-Sea Tilt-Angle Recording Device
One of the many challenges in deep-sea research is establishing the exact horizontal position of an instrument on the seabed. This is a very important factor for instruments, including samplers and sediment traps, where any uncertainty can lead to inaccurate data collection and misinterpretation.
Description
K.U.M.’s deep-sea inclinometer Matemo is designed to address this issue. Before the operation, Matemo can be attached to equipment onshore to determine the tilt angle of the system on a known surface; this value can then be automatically deducted from final measurements taken during the operation, thus restoring the norm.
Matemo is designed to record tilt angles in two directions (X and Y), which MATUI (Multi-Axis Tiltmeter User Interface) is programmed by its software. MATUI allows the user to configure measurement interval, actual time or start time delay of the measurement. Once the investigation is concluded, data can be downloaded and displayed in a graph or exported for external analysis. The data and settings are saved in non-volatile memory and will remain safe regardless of the battery being depleted or replaced.
Application
- Determination and recording of instrument tilt
- Tilt correction wherever gradient of the ground
distorts measurements
Features / Benefits
- Data can be downloaded and displayed in the graph
(integrated quick view) or exported for analysis - Data and settings are saved regardless of battery
exhaustion or replacement
Specifications
| Max number of measurements | 65,500 measurements per axis (X,Y) |
| Measurement interval | 1 Second – 23h:59min:59sec |
| Measurement range | ±80° per axis |
| Resolution | 0.1° |
| Absolute fault | (within ±60°): ±0.1°(outside of ±60°): ±0.5° |
| Power supply | 3.6V DC Lithium primary battery (qty. 1); ex. Saft 33600 with soldering tag (D-size) |
| Back-up battery | 3.0V DC Lithium primary battery (CR123A, qty. 1) |
| Material | POM (Polyoxymethylene) – Shallow waterTitanium – Deep sea |
| Operational depth | POM housing – 200 mTitanium housing – 6000 m |
| Operational temperature range | -20° to +85° (operation, storage and transport) |
| Operational time | Up to 3 years |
| Dimensions | Diameter – 64 mm, Height – 169 mm |
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