High Precision MEMS North Finder for Directional Drilling Petroleum Inclinometer and Pipeline Survey
The NF1100 MEMS Inertial North Finder adopts a strapdown north-finding solution consisting of a built-in MEMS gyroscope and MEMS accelerometer. The product can continuously track and measure changes in the inclination angle, tool face, and azimuth angle. The NF1100 Inertial North Finder integrates high-performance MEMS gyroscopes and MEMS accelerometers within an independent structure, making it suitable for high-precision attitude measurement under conditions of small pipe diameters.
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NF1100الطلب (الحد الأدنى للكمية) :
1Product Series and Parameters
| Parameter | Technical Indicators |
| Gyroscope | |
| Measuring range (°/s) | ±200 |
| Full temperature zero bias (°/h, 3σ) | ≤0.6 |
| Zero bias stability (°/h, 10s smoothing) | ≤0.1 |
| Zero bias instability (°/h, allan, typ) | ≤0.02 |
| Zero-bias repeatability (°/h) | ≤0.1 |
| Random walk in angle (°/√h) | ≤0.01 |
| Scale factor nonlinearity (ppm) | ≤100 |
| Cross-coupling (rad) | ≤0.001 |
| Bandwidth (Hz) | ≥50 |
| Accelerometer | |
| Measuring range (g) | ±30 |
| Full temperature zero bias (mg, 3σ) | ≤3 |
| Zero bias stability (μg, 10s smoothing) | ≤100 |
| Zero bias instability (μg, allan, typ) | ≤50 |
| Zero bias repeatability (ug) | ≤100 |
| Random speed walk (m/s/√h) | ≤0.04 |
| Scale factor nonlinearity (ppm, ±1g) | ≤100 |
| Cross-coupling (rad) | ≤0.001 |
| Bandwidth (Hz) | ≥50 |
| Navigation accuracy | |
| Self-seeking north accuracy (°, 1σ) | ≤1*secL (L represents the local latitude) |
| Pose accuracy (°, 1σ) | ≤0.2 |
| Physical properties | |
| Power Supply (V) | 5~12 |
| Steady-state power (W) | ≤2 |
| Startup time (s) | ≤2 |
| communication interface | RS422 |
| Update rate (Hz, max) | 200 |
| Size (mm×mm×mm) | Φ28 × 253 |
| Weight (g) | ≤700g |
| Operating environment | |
| Operating temperature (℃) | -40～+120 |
| Storage temperature (℃) | -55～+85 |
| Vibration (g, RMS) | 20~2000HZ，6.06 |
| Shock (g) | 500g/1ms |
Application Scenarios
The NF1000 is a high-performance MEMS-based north finder that integrates three-axis MEMS gyroscopes and three-axis MEMS accelerometers, delivering full-temperature compensated inertial/attitude (including north-finding) outputs via RS422 (up to 200 Hz)—well-suited for applications such as inertial navigation and attitude stabilization.
FAQ
Q1. What is the NF1100?
The NF1100 is a high-precision MEMS north finder that uses a strapdown north-finding solution with built-in MEMS gyroscopes and accelerometers. It is designed for continuous measurement of inclination angle, tool face, and azimuth angle, especially in small pipe diameter applications.
Q2. What are the main features of the NF1100?
The NF1100 offers high performance and cost-effectiveness, full-temperature calibration compensation, localized inertial devices, strong resistance to harsh mechanical environments, online software upgrade, automatic zero-speed correction, configurable north-finding time, and installation error angle correction.
Q3. What applications is the NF1100 suitable for?
The NF1100 is suitable for directional drilling in complex environments such as mines, petroleum inclinometry and north-seeking, and pipeline survey applications.
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