CRH03 Series Gyroscope

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Key features

• Fibre Optic Gyro (FOG) like performance
• Small size
• Proven and Robust silicon MEMS VSG3QMAX
vibrating ring structure with improved balancing
• Five rate ranges available: ±10°/s, ±25°/s, ±100°/s,
±200°/s and ±400°/s
• Low bias instability - 0.04°/hr (100°/s)
• Excellent angle random walk - 0.006°/√hr (100°/s)
• Low noise - 0.12°/s rms (100°/s)
• Precision analogue output

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About the CRH03 Series

The CRH03 is ideal for applications requiring low bias instability, low noise, and precise angle random walk. It features a proven MEMS resonating structure with enhanced balancing for robust operation in the cos2θ mode, offering strong resistance to external vibrations.

The OEM and OEM R versions are designed for enclosure-free integration. The standard OEM uses a thermistor to compensate for temperature-induced scale factor changes. In contrast, the OEM R outputs uncompensated raw data, allowing the host system to handle temperature correction using either the on-board sensor or MEMS resonant frequency. It replaces the thermistor with a precision resistor, requiring more compensation but simplifying it to a single temperature reference—unlike the OEM's three.

Applications

• Aerospace Applications
• Platform Stabilisation
• Precision Surveying
• Maritime Guidance and Control
• Gyro-compassing and Heading Control
• Autonomous Vehicles and ROVs
• Rail Track monitoring
• Drilling Equipment and Guidance
• Inertial Measurement Units

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