In the world of inertial sensing, high-precision gyroscopes have always been the core technology. While traditional fiber optic gyroscopes (FOGs) offer stable performance, they suffer from drawbacks such as high cost, large size, and high power consumption. The ER-MG2-50/100 MEMS gyroscope, however, boasts accuracy comparable to low-to-mid-range navigation-grade fiber optic gyroscopes, along with advantages such as miniaturization, low cost, and high reliability, thus sparking a revolution in the replacement of inertial sensors.
Redefining MEMS Gyroscope Accuracy
The ER-MG2-50/100 navigation-grade MEMS gyroscope boasts top-tier performance parameters in the MEMS gyroscope field, directly comparable to low-to-mid-range navigation-grade fiber optic gyroscopes, capable of sensing the Earth's rotation for north-finding.
The ER-MG2-50/100 sensor supports angular velocity measurement ranges of ±50°/s (ER-MG2-50) and ±100°/s (ER-MG2-100), with zero-bias instability as low as 0.01-0.02°/h and angular random walk of only 0.0025-0.005°/√h. These two key indicators are core standards for measuring gyroscope accuracy, determining the level of error accumulation during long-term operation. Compared to traditional consumer-grade and tactical-grade MEMS gyroscopes, the ER-MG2-50/100 represents an order of magnitude improvement in accuracy, reaching navigation-grade levels.
Tiny body, extraordinary resilience
Featuring a hermetically sealed ceramic LCC surface-mount package, its compact size of only 11×11×2mm makes it easy to integrate into various miniaturized devices.
Specifically designed for north-seeking applications, it employs an advanced differential sensor design that effectively resists linear acceleration interference, maintaining accuracy even in environments with severe shocks and vibrations. Specifically, it can withstand 1000g of impact (during operation), enabling it to handle vibrations from oil drilling platforms, mining drilling rigs, and tunneling equipment with ease.
In terms of temperature adaptability, the ER-MG2-50/100 operates stably over a wide temperature range of -45°C to +85°C, with a maximum storage temperature of -55°C to 125°C, fully covering the temperature requirements of most industrial, military, and civilian applications.
Unlocking a new boundary for high-precision north-finding
Energy Exploration and Geological Engineering: Serving as a core sensor for logging-while-drilling/drilling and directional drilling tools, enabling precise downhole orientation and navigation.
High-End Equipment and Defense: Providing rapid initial alignment for UAV launch systems and achieving high-precision pointing and stabilization for satellite communication antennas and target tracking systems.
A Cost-Effective Choice for Low-to-Medium Navigation-Grade Fiber Optic Gyroscopes
Fiber optic gyroscopes suffer from drawbacks such as complex optical path systems, high manufacturing costs, and large size, limiting their widespread adoption in miniaturized and low-cost applications. The ER-MG2-50/100 fills this gap. In terms of accuracy, its core performance indicators, such as zero-bias instability and angular random walk, are comparable to low-to-mid-range navigation-grade fiber optic gyroscopes, meeting most navigation, orientation, and attitude measurement needs. In terms of cost, the large-scale production advantages of MEMS technology give it a higher cost-performance ratio. In terms of size and power consumption, its 11×11×2mm package and 40mA current consumption are far superior to traditional fiber optic gyroscopes.
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