Gravimeters

From YMG

Contents 1 Grin-2000 Shipboard gravity system 1.1 Components: 1.2 Specifications: 1.3 Data format and data entry period 2 Gravimeter Т-200 by Sodin

Grin-2000 Shipboard gravity system

Designed and constructed by YMG.

Components:

• gyro-platform an indicator type with two gravity sensors;

• controlling РС, provides control and digital processing of data;

• electronic instruments for gyro-platform;

• a control console for the gravity sensors;

• system of acquisition, pre-processing and data visualization based on PC;

• continuous power supply.

Specifications:

• Instrumental error of gravity sensors — 0.02 mGal;
• Accuracy of sustaining gyro platform horizontal in dynamic conditions 20°;
• Voltage — 220 V, 50 Hz;
• Power requirements — 1 kW;
• Weight — 80 kg.

Data format and data entry period

Recording and on-line data QC control is performed by the integrated acquisition system of on the basis of РС.

Data are reordered with 1 s interval in the form of ASCII files.

Gravimeter Т-200 by Sodin

Land-based or stand gravity surveys can be conducted by Sodin Prospector 200-T gravimeters, specially produced for surveys at depth to 2,5 meters.