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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 | |
Scale factor error (1σ) | ≤5ppm | |
Dynamic Range | ≥±400°/s | |
Bandwidth | >200Hz | |
Electrical Interface | Turn on time | <5s |
Output signal format | TTL | |
Built in self-test | Yes | |
Output signal update rate | 1Hz | |
Output signal baud rate | 115200 | |
Vibration shock | 75g, half sine, 6ms | |
Operating temperature | - 40℃ ~ + 70℃ | |
Storage temperature | - 55℃ ~ + 85℃ | |
Physical Specifications | Power supply | ±15V,±5V |
Connector (25 pins) | J30JM-25ZKP | |
Power consumption | ≤3W | |
MTBF (per MIL-HDBK-217-F) | >10000hr | |
Weight | 1.3kg | |
Dimensions | φ114mm×53mm |