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High Precision TDLG70S Ring Laser Gyroscope
1 Introduction
The ring laser gyroscope (RLG) operates on the Sagnac effect as its foundational principle, utilizing the interference phase difference between clockwise and counterclockwise laser beams within a closed resonant cavity to precisely measure angular increments of the carrier. This type of gyroscope demonstrates high integration level, exceptional reliability, strong environmental adaptability, and stable operational performance, making it a core sensor in high-precision inertial navigation systems widely adopted in both domestic and international applications.
2 Application
Suitable for inertial navigation equipment and attitude reference equipment in high-end fields such as spaceships, airplanes, artificial satellites, vehicles, ships, submarines and so on.
3 Characteristics
Wide dynamic response bandwidth, digital signal output；
Small size, light weight, easy integration and controllable power consumption;
High reliability, shock and vibration resistance, and strong environmental adaptability;
Light path and circuit are encapsulated in one unit, simple structure and easy installation.
4 Main parameters
|
Performance |
Bias stability (1σ) |
0.015°/h~0.006°/h |
|
Zero bias repeatability (1σ) |
0.005°/h~0.003°/h |
|
|
ARW(Angular random walk |
0.003°/√hr~0.0015°/√hr |
|
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Scale factor error (1σ) |
≤5ppm |
|
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Dynamic Range |
≥±400°/s |
|
|
Bandwidth |
＞200Hz |
|
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Electrical Interface |
Turn on time |
＜5s |
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Output signal format |
TTL |
|
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Built in self-test |
Yes |
|
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Output signal update rate |
1Hz |
|
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Output signal baud rate |
115200 |
|
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Vibration shock |
75g, half sine, 6ms |
|
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Operating temperature |
- 40℃ ~ + 70℃ |
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Storage temperature |
- 55℃ ~ + 85℃ |
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Physical Specifications |
Power supply |
±15V,±5V |
|
Connector (25 pins) |
J30JM-25ZKP |
|
|
Power consumption |
≤3W |
|
|
MTBF (per MIL-HDBK-217-F) |
＞10000hr |
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Weight |
1.3kg |
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Dimensions |
φ114mm×53mm |