Navigation-Grade Quartz Flexure Accelerometer (±60 g)
Quartz Flexure Accelerometer · BJGM25A01
Navigation-grade quartz flexure accelerometer with ±60 g input range and <160 µg one-year bias composite repeatability. Analog current output with internal temperature sensor and dual self-test, operating from −55 °C to +95 °C in a hermetically sealed stainless-steel enclosure for INS, IMU, and AHRS integration.
Input Range
±60 g
Bias
<4 mg
One-year Composite Repeatability
<160 µg
Product Gallery
The BJGM25A01 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
- Navigation-grade performance (< 160 µg one-year bias composite repeatability)
- Wide dynamic range (up to ±60 g measurement range)
- Analog current output interface
- High bias and scale factor stability under temperature changes
- Internal temperature sensor for real-time thermal compensation
- Built-in dual self-test functionality
- Compact and rugged mechanical design
- Long-term operational consistency
Applications
Technical Specifications
Primary Performance Specifications
- Input Range
- ±60 g
- Bias
- <4 mg
- One-year Composite Repeatability
- <160 µg
- Temperature Sensitivity
- <30 µg/°C
- Scale Factor
- 1.2 to 1.46 mA/g
- One-year Composite Repeatability
- <310 ppm
- Temperature Sensitivity
- <180 ppm/°C
- Axis Misalignment
- <2000 µrad
- One-year Composite Repeatability
- <100 µrad
- Vibration Rectification
- <20 (50–500 Hz), <60 (500–2000 Hz) µg/g²
- Intrinsic Noise
- <7 (0–10 Hz), <70 (10–500 Hz), <1500 (500–10000 Hz) µg
- Operating Temperature
- -55 to +95 °C
- Shock
- 250 g
- Vibration Peak Sine
- 15g @ 20 to 2000 Hz g, Hz
- Resolution / Threshold
- <1 µg
- Bandwidth
- >300 Hz
Electrical Interface
- Temperature Sensor
- Yes undefined
- Voltage Self Test
- Supported undefined
- Current Self Test
- Supported undefined
- Power / Signal Ground
- Available undefined
- Output Voltage (Negative)
- -10 VDC undefined
- Output Voltage (Positive)
- +10 VDC undefined
Mechanical and Electrical Parameters
- Input Voltage
- ±13 to ±28 VDC
- Weight
- 71 ±4 g
- Diameter below mounting surface
- Ø 25.45 Max mm
- Height – bottom to mounting surface
- 14.85 Max mm
- Case Material
- 300 Series Stainless Steel –
- [1]One-year composite repeatability figures cover bias, scale factor, and axis misalignment stability over one year of operation.
- [2]Vibration rectification is specified over 50–500 Hz and 500–2000 Hz bands.
Package Information
Technical Drawings
Related Products
BJGM25N01
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
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