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Purchase Requirement OPPORTUNITY TITLE: Self-contained underwater sensor for tilt, heading, motion, depth and temperature Short title: underwater tilt/heading/depth sensor The US Naval Research Labora... Purchase Requirement OPPORTUNITY TITLE: Self-contained underwater sensor for tilt, heading, motion, depth and temperature Short title: underwater tilt/heading/depth sensor The US Naval Research Laboratory requires a combined tilt, heading, motion, depth and temperature sensor for underwater use. The following are requirements: Quantity is 6 Self-contained recorder with data storage and battery. 3. Heading resolution: 0.1 degrees. 4. Heading range: 0-360 degrees. 5. Heading accuracy: +/- 5 deg for tilt range (0-45 degrees from horizontal or vertical position), +/- 7 deg for 46-60 deg from horizontal or vertical. 6. Tilt resolution: 0.2 degrees 7. Tilt range: +/- 90 degrees for each axis X,Y, and Z 8. Tilt accuracy: +/- 3 deg in all tilt positions 9. Acceleration range: +/- 3 g for each of the axes X,Y and Z 10. Acceleration resolution: 0.0025 g 11. Temperature resolution: 0.002 deg C 12.Temperature Accuracy +/- 0.025 deg C 13. Depth rating to 500 m. 14. Accuracy of depth measurement: +/- 1.5 m @ 500 m depth. 15. Pitch roll accuracy: +/- 2 deg for tilt range 0-45 deg from horizontal or vertical position, +/- 3 deg for 46-60 from horizontal or vertical position 16. Pitch and roll resolution: 0.1 deg. 17. Minimum sampling rate is 1 Hz. 18. Fit within a 197 mm (length) x 40 mm (diameter) cylindrical footprint 19. Memory type: FLASH