Miniature ±60 g Quartz Accelerometer for Harsh Environments
Quartz Flexure Accelerometer · BJGM18T01
Miniature quartz flexure accelerometer with ±60 g input range and ≥300 Hz bandwidth in a hermetically sealed stainless-steel package under 30 g. Analog current output for acceleration and temperature, bias temperature sensitivity ≤50 µg/°C, qualified to MIL-STD-810G for vibration, shock, humidity, and explosive atmospheres.
Input Range
±60 g
Bias Error
≤4 mg
Bias Long-Term Repeatability (1 year)
≤1 (3σ) mg
Product Gallery
The BJGM18T01 is a high-performance inertial sensor optimized for compact aerospace, defense, and industrial applications. Engineered in a stainless-steel hermetic package, it delivers mission-ready reliability with high shock tolerance and thermal stability.
Its compact design and robust performance make it ideal for space-constrained applications requiring high precision and durability.Key Features
- ±60 g dynamic range with high bandwidth
- High stability under thermal and mechanical stress
- Compact stainless steel construction (< 30 g)
- Analog current output for acceleration and temperature
- No recalibration required over lifetime
- MIL-STD-810G compliant for vibration, shock, humidity, and EMI immunity
- Hermetically sealed and fungus resistant
Applications
Technical Specifications
Performance Specifications
- Input Range
- ±60 g
- Bias Error
- ≤4 mg
- Bias Long-Term Repeatability (1 year)
- ≤1 (3σ) mg
- Bias Temperature Sensitivity
- ≤50 µg/°C
- Residual Bias Modeling Error
- ≤170 (1σ) µg
- Scale Factor
- 0.65 to 0.85 mA/g
- Scale Factor Long-Term Repeatability (1 year)
- ≤600 (3σ) ppm
- Scale Factor Temperature Sensitivity
- ≤100 ppm/°C
- Residual Scale Factor Modeling Error
- ≤225 (1σ) ppm
- Scale Factor Non-Linearity
- ≤30 µg/g²
- Vibration Rectification Error (50–200 Hz)
- ≤25 µg/g²rms
- Vibration Rectification Error (200–750 Hz)
- ≤50 µg/g²rms
- Vibration Rectification Error (750–2000 Hz)
- ≤100 µg/g²rms
- Intrinsic Noise
- ≤7 (0–10 Hz), ≤70 (10–500 Hz), ≤1500 (500–10k Hz) µgrms
- Resolution / Threshold
- ≤1 µg
- Bandwidth
- ≥300 Hz
Environmental Specifications
- Operating Temperature
- -55°C to +95°C undefined
- Storage Temperature
- -55°C to +95°C undefined
- Maximum Temperature Rate
- < 5°C/min undefined
- Random Vibration (non-operating)
- 6grms, 0.0185 g²/Hz, 5–2000 Hz, 60 min/axis undefined
- Random Vibration (operating)
- 14grms, 0.0985 g²/Hz, 5–2000 Hz, 3 min/axis undefined
- Sine Vibration
- 15g peak, 20–2000 Hz, 2 min/decade sweep/axis undefined
- Shock Tolerance
- 40g, 11 ms, each orthogonal axis (MIL-STD-810G) undefined
- Magnetic Immunity
- ≤10 Gauss, no permanent bias shift undefined
- Hermetic Sealing
- Yes, for full humidity & thermal range endurance undefined
- Fungus Resistance
- Compliant with MIL-STD-810G, Method 508.6 undefined
- Explosive Atmosphere Compatibility
- Compliant with MIL-STD-810G, Method 511.5, does not ignite air mixture undefined
Electrical Specifications
- Input Voltage Range
- ±13 to ±16 VDC undefined
- Nominal Voltage
- ±15 VDC undefined
- Quiescent Current (per supply)
- < 20 mA undefined
- Quiescent Power (@ ±15 VDC)
- < 600 mW undefined
- Full Scale Max Current
- < 100 mA undefined
- Output Type
- Analog current (Accel & Temp) undefined
- [1]Bias long-term repeatability is a 1-year 3σ figure; residual bias and scale-factor modeling errors are 1σ values after thermal modeling.
- [2]Vibration rectification error is specified in three bands — 50–200 Hz, 200–750 Hz, and 750–2000 Hz.
- [3]Intrinsic noise is specified over 0–10 Hz, 10–500 Hz, and 500 Hz–10 kHz bands.
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
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
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