Ericco International Ltd.
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DTG-E2 is designed for borehole drilling, it has overcome the technical difficulty: low working temperature. Inertial devices are more adaptable and better applied in the drilling field than they are in aviation field due to its ability of working in poor conditions. The life of DTGs and its adaptation in temperature are specified, especially when it was used in higher temperature.
N0. | Item | Specification | ||
1 | Performance Parameter | Random Drift (1σ) | 0.3°/h | |
Drift Stability (1σ) | ≤0.2°/h | |||
g-independent | ≤3°/h | |||
g-dependent | ≤12°/h/g | |||
Frequency Response | ≥60Hz | |||
2 | Technological parameter | Power Supply(Three Phase) | 400 Hz | |
12 V | ||||
Power Supply(Single Phase) | 16 KHz | |||
7 V | ||||
Synchronous Speed | 12,000 | |||
Power for Start Up | 4 W | |||
Operating Current | ≤0.18 A | |||
Synchronizing Time | ≤10 S | |||
Output Gradient | 14 mv/’ | |||
Master torquer | 7Ω | |||
Vice control torquer | 2Ω | |||
3 | Torquer scale factor | Master torquer | ≥500 °/h/mA | |
Vice control torquer | ≥10 °/h/mA | |||
4 | Max.Tracking Speed | ≥200 °/s | ||
5 | Output Nonlinearity | ≤0.1% | ||
6 | Life Time | ≥5000 | ||
7 | Operating Temperature | -10～+100℃ | ||
8 | Shock Overload(8ms) | ≥50 g | ||
9 | Physical Parameter | Dimension | Φ29×52 mm | |
Mounting flanges | 30×30 mm | |||
Weight | ≤130 g | |||
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Weight
≤130 g