Product Features
- Adopts closed loop scheme for MEMS accelerometers
- High precision better than 0.5μg (evaluated by Allan variance @10s)
- Widely used in high precision inclination, vibration measurement and control applications
Technical Specifications
| Parameter | Model SA-03B (Low Range) | Model SA-15B (High Range) |
| Measurement Range | ± 3g (±5g max) | ± 15g (±25g max) |
| Bias Instability (@25°C±2°C, Allan variance) | ≤ 0.5μg | ≤ 3μg |
| Bias Temperature Coefficient (-45°C ~ +75°C) | ±10μg/°C | ±30μg/°C |
| Bias Repeatability | 20μg | 100μg |
| Total Bias | ≤ 3mg | ≤ 10mg |
| Scale Factor Error (RMS) | ≤ 300 ppm | |
| Scale Factor Temperature Coefficient | ≤ 0.1% | |
| Axis Misalignment (RMS) | ≤ 1 mrad | |
| Bandwidth | 200 Hz (-3dB, phase < -40°) | |
| Warm-Up Time | < 10s (quick start: 200ms ready) | |
| Self-Test (ST) | ±5% | |
| Weight | 750g | |
| Dimensions | 50 × 50 × 50 mm | |
| Supply Voltage | ±9 ~ ±15V | |
| Power Consumption | ≤ 1W | |
| Interface | RS‑422 differential serial (UART or HDLC protocol) | |
| Data Update Rate | 50Hz ~ 1000Hz | |
| Built‑In Test (BIT) | Power‑on self test, continuous self test | |
| Random Vibration (Operating) | 4.12g RMS | |
| Random Vibration (Non‑operating) | 5.8g RMS | |
| Shock (Operating) | 150g / 11ms half‑sine | |
| Temperature Range (Operating) | -45°C ~ +75°C | |
| Temperature Range (Storage) | -55°C ~ +85°C | |
