Ericco International Ltd.
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DTG-E3B is with advantages of high precision, long lifetime, extensive dynamic range, and high reliability. It has been widely used in water and land strapdown system, fast true-north seeking instrument, helicopter light-guidance platform, television antenna tracker etc. DTG-E3 can also be applied in spaceflight strapdown inertial system and the land, sea, aviation, spaceflight transporter attitude system of both strapdown type and platform type.
Specifications
N0. | Item | Specification | ||
1 | Performance Parameter | Random Drift (1σ) | ≤0.03°/h | |
Drift Stability (1σ) | ≤0.2°/h | |||
g-independent | ≤12°/h | |||
g-dependent | ≤3°/h/g | |||
Frequency Response | ≥60Hz | |||
2 | Technological parameter | Power Supply(Three Phase) | 500 Hz | |
20V | ||||
Power Supply(Single Phase) | 16 KHz | |||
7 V | ||||
Synchronous Speed | 10,000 | |||
Power for Start Up | 5 W | |||
Operating Current | ≤3 A | |||
Synchronizing Time | ≤20 S | |||
Output Gradient | 21±2 mv/’ | |||
Master torquer | 50±3 Ω | |||
Vice control torquer | 2±0.5 Ω | |||
3 | Torquer scale factor | Master torquer | ≥670 °/h/mA | |
Vice control torquer | ≥10 °/h/mA | |||
4 | Max.Tracking Speed | ≥60 °/s | ||
5 | Output Nonlinearity | ≤0.1% | ||
6 | Life Time | ≥5000 | ||
7 | Operating Temperature | -30～+65℃ | ||
8 | Shock Overload(8ms) | ≥50 g | ||
9 | Physical Parameter | Dimension | Φ50×76 mm | |
Mounting flanges | 52×52 mm | |||
Weight | ≤630 g | |||