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Advanced Technology Marine Gravity System

DgS's Marine Gravity Sensor is based on the same Advanced Technology sensor and platform as our Airborne gravity system. Our Marine gravity solution utilizes a similar custom data-display and data collection interface, for easy, robust, and reliable operation.

Technical Specifications

Gravity Range Full World-Wide Range (20,000 mGals)
Dynamic Range +/- 0.5g
Sensor Type Full-feedback Zero-length Spring
Resolution 0.01 milliGals (mGals)
Platform Control High performance Fiber Optic Gyros
High precision accelerometers
Platform Period Adjustable - 4 Minutes/8 Minutes/INS Aided
INS Platform Control Integrated
Data and GPS Recording Frequency 1Hz
Dimension (approx) 71(l) x 56(w) x 84(h) cm
28(l) x 22(w) x 33(h) inches
Weight (approx) 80kg / 177lbs
+25kg / +55lbs with Uninterruptible Power Supply (UPS)
Power Consumption Avg: 60 Watts
Max: 150 Watts
Input: 80-265 VAC
Dynamic Repeatability 0.25 mGal @ 50,000 mGal horizontal
0.50 mGal @ 100,000 mGal horizontal
0.50 mGal @ 100,000 mGal vertical
Static Repeatability 0.05 mGals