Navigation-Grade Quartz Accelerometer (±60 g)
Quartz Flexure Accelerometer · BJGM25N01
Navigation-grade quartz accelerometer with a ±60 g input range, ≤4 mg bias error, and ≤160 µg one-year bias repeatability (3σ) over temperature. Analog current output with integrated temperature sensor, hermetically sealed stainless steel housing, ≥300 Hz bandwidth, ≤1 µg resolution.
Input Range
±60 g
Bias Error
≤ 4 mg
Bias Long-Term Repeatability (1 Year, over temperature)
≤ 160 (3σ) µg
Product Gallery
The BJGM25N01 is a high-performance, navigation-grade accelerometer designed for aerospace, industrial, and defense applications. It features outstanding long-term stability, low noise characteristics, and precise analog current outputs in a rugged, hermetically sealed stainless steel enclosure.
With advanced thermal compensation and integrated temperature sensor, this device ensures consistent performance across a wide temperature range, making it ideal for critical applications requiring high precision and reliability.Key Features
- High bias stability and low noise performance
- Integrated temperature sensor with high repeatability
- Excellent thermal modeling and calibration-free operation
- Resistant to vibration, shock, humidity, and magnetic fields
- Hermetically sealed, corrosion-resistant stainless steel housing
Applications
Technical Specifications
Performance Specifications
- Input Range
- ±60 g
- Bias Error
- ≤ 4 mg
- Bias Long-Term Repeatability (1 Year, over temperature)
- ≤ 160 (3σ) µg
- Bias Temperature Sensitivity
- ≤ 30 µg/°C
- Warm-up Transient Bias Change (first 4 minutes)
- 1.5 µg/minute
- Bias Sensitivity to Magnetic Field @ 0g, ±1g
- ≤ 10 µg/Gauss
- Vibration Rectification Error (50–500 Hz)
- ≤ 20 µg/g²rms
- Vibration Rectification Error (500–2000 Hz)
- ≤ 60 µg/g²rms
- Intrinsic Noise
- ≤ 7 (0–10 Hz), ≤ 70 (10–500 Hz), ≤ 1500 (500–10000 Hz) µgrms
- Scale Factor
- 1.0 to 1.4 mA/g
- Scale Factor Long-Term Repeatability (1 Year)
- ≤ 310 (3σ) ppm
- Scale Factor Temperature Sensitivity
- ≤ 180 ppm/°C
- Scale Factor Non-Linearity
- ≤ 20 µg/g²
- Residual Bias Modeling Error (max. 5°C/min)
- ≤ 60 (1σ) µg
- Residual Scale Factor Modeling Error (max. 5°C/min)
- ≤ 100 (1σ) ppm
- Input Axis Misalignment
- ≤ 2 mrad
- Axis Misalignment Temperature Sensitivity
- ≤ 2 µrad/°C
- Axis Misalignment Long-Term Repeatability (1 Year)
- ≤ 100 (3σ) µrad
- Residual Axis Misalignment Modeling Error (max. 5°C/min)
- ≤ 20 (1σ) µrad
- Resolution / Threshold
- ≤ 1 µg
- Bandwidth
- ≥ 300 Hz
Electrical Specifications
- Input Voltage Range
- ±13 VDC to ±16 VDC undefined
- Nominal Operating Voltage
- ±15 VDC undefined
- Quiescent Current per Supply
- < 20 mA undefined
- Quiescent Power at ±15 VDC
- < 600 mW undefined
- Maximum Full-Scale Current
- < 100 mA undefined
- Output Signal Type (Accel & Temp)
- Analog Current undefined
Mechanical Specifications
- Housing Material
- 300 Series Stainless Steel undefined
- Weight
- < 80 g undefined
- Mounting
- 3 x M3 Screws undefined
- Flange Shape
- Triangular undefined
- Maximum Base Diameter
- 25.45 mm undefined
- Natural Frequency
- ≥ 800 Hz undefined
Temperature Sensor Specifications
- Sensitivity
- 1 µA/°C
- Error Repeatability
- ±0.1 °C
- [1]Long-term repeatability figures are 3σ values over one year; residual modeling errors are 1σ values at temperature ramps up to 5 °C/min.
- [2]Intrinsic noise is specified in bands of 0–10 Hz, 10–500 Hz, and 500–10000 Hz.
Package Information
Technical Drawings
Related Products
BJGM25A01
Input Range
±60 g
Bias
<4 mg
One-year Composite Repeatability
<160 µg
Temperature Sensitivity
<30 µg/°C
BJGM18T01
Input Range
±60 g
Bias Error
≤4 mg
Bias Long-Term Repeatability (1 year)
≤1 (3σ) mg
Bias Temperature Sensitivity
≤50 µg/°C
JDSJ18TK01
Range
±60g ±60g
Threshold
5 µg 5 µg
Bias K₀/K₁
≤±7 mg ≤±5 mg
Scale Factor K₁
1.0 ± 0.2 mA/g 1.0 ± 0.2 mA/g