Magnetometer

Magnetometer include its high sensitivity, enabling it to detect even the smallest variations in the magnetic field, which is crucial for precise attitude control. It is compact, requiring minimal space onboard, and operates with low power consumption, making it ideal for small satellites and long-duration missions. The instrument provides reliable data in harsh space environments, unaffected by temperature extremes and radiation, making it suitable for autonomous navigation. Magnetometers also offer a non-intrusive, cost-effective solution for attitude determination, as they require no moving parts and require minimal maintenance. Their integration into spacecraft enhances mission accuracy by providing continuous feedback on spacecraft orientation, thus ensuring stable, precise control during the mission.

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描述

产品详情

component

Product code:	CG-DJ-MT-1000nT
Magnetometer range	-0.9Gauss～+0.9Gauss
Magnetometer accuracy (25℃)	1000nT
MEMS gyroscope range	±125°/s
MEMS gyroscope zero bias stability	12°/h（1 σ）
Envelope Size	Φ 98mm × 80mm
重量	195g
功耗	0.54W
Working voltage	+12V
Working current	45mA
Communication interface	RS422
Data update rate	10Hz
供应周期	6个月

The Magnetometer is a sophisticated instrument designed to measure the strength and direction of magnetic fields, primarily used in spacecraft and satellite systems for attitude determination and navigation. It detects the local magnetic field generated by the Earth or other celestial bodies, providing critical data for the spacecraft’s orientation control. The magnetometer typically consists of sensitive magnetic sensors such as fluxgate, optically pumped, or Hall effect sensors, which are capable of detecting minute variations in the magnetic field. This data is then processed to calculate the spacecraft's attitude relative to the magnetic field, providing feedback for orientation adjustments. Magnetometers are often used in combination with other attitude control systems like star trackers or sun sensors to improve accuracy and ensure stability in navigation. They are an essential part of satellite systems, helping maintain precise pointing and attitude control in low Earth orbit (LEO) and deep space missions, where magnetic fields are a reliable reference.

High-Sensitivity Magnetometer For Space Applications