High Reliability MEMS North Seeker
Introduction
ER-MNS-181 is a MEMS north seeker with high cost-effectiveness and reliability. It is composed of a three-axis MEMS gyroscope and a three-axis MEMS accelerometer, and can measure true north. It features high precision, high reliability, and is resistant to harsh environments. It is designed to meet the application requirements of various markets.
Feature
Gyroscope bias instability: < 0.02 deg/hr
Gyroscope bias stability (10 seconds, 1σ): < 0.1 deg/hr
Gyroscope angle random walk: < 0.005 °/√h
Accelerometer bias repeatability: 100 ug
Accelerometer bias stability (10 seconds) (1σ): < 50 ug
Accelerometer second-order non-linearity: < 100 ug/g²
Application
High-precision north-seeking instrument
Directional pointing and tracking in satellite antennas and target tracking systems
North-seeking device in logging tools/geodetic tools
Directional pointing, steering and guidance in advanced mining/drilling equipment
Initial alignment in unmanned aircraft launch systems
Attitude measurement and control of precise platforms
Precise attitude and position measurement of navigation-level MEMS IMU/INS
North-seeking and positioning in land surveying/land mobile surveying systems
Specification
| Project | Parameter | Unit | ||
| Gyroscope | A | B | C | / |
| Range | 50 | 100 | 200 | deg/s |
| Scale factor(25°C) | 160000 | 80000 | 40000 | LSB/deg/s |
| Scale factor repeatability (1σ) | <50 | <50 | <100 | ppm |
| Scale factor temperature drift (1σ) | ±300 | ±300 | ±300 | ppm |
| Scale factor non-linearity (1σ) | <200 | <200 | <300 | ppm |
| Bias instability (1σ at 25°C) | <0.01 | <0.02 | <0.02 | deg/hr |
| Bias stability (10s at 1σ) | <0.05 | <0.1 | <0.1 | deg/hr |
| Angle random walk | <0.0025 | <0.005 | <0.005 | °/√h |
| Bias repeatability (1σ at 25°C) | <0.1 | <0.1 | <0.1 | deg/hr |
| Accelerometer | ||||
| Range | 30 | g | ||
| Bias stability (10s 1σ) | <50 | ug | ||
| Bias monthly repeatability (1σ) | 100 | ug | ||
| Bias temperature coefficient | <20 | ug/℃ | ||
| Bias temperature hysteresis | <1.5 | mg | ||
| Scale factor non-linearity | <500 | ppm | ||
| Scale factor monthly repeatability | <30 | ppm | ||
| Scale factor temperature coefficient | 10 | ppm/℃ | ||
| Scale factor Class Ⅱ non-linearity coefficient | <100 | ug/g² | ||
| Scale factor | 250000 | Lsb/g | ||
Application Techniques
1.Applicable to coal mines, tunnels, and exploration! North seeker's strength revealed
2.How important is the North Seeker in the field of oil、mining and drilling?
4.Efficient mining, north seeker assists mining drilling operations
5.Accurate orientation, easy to deal with! North seeker helps work more efficiently
More Products
Ultra-small Size OEM MEMS North Seeker
Smallest Volume MEMS North Seeker
OEM MEMS North Seeker
High Performance North Seeking MEMS Gyroscope
High Accuracy MEMS Accelerometer
Low Cost 3 Axis FOG North Seeker