AAA640 MEMS Accelerometer
Acceleration sensor with 2 signal outputs in MEMS technology
About the AAA640 MEMS Accelerometer
The AAA640 Series of Solid State Accelerometers measure vector acceleration with high accuracy using an advanced micromachined (MEMS) silicon sensor incorporating a gas damping feature. Unlike fluid damped devices the gas damping employed is essentially independent of temperature. The transducer also incorporates positive mechanical stops confering excellent shock resistance. The accelerometer is also compensated for the effects of temperature on both sensitivity and zero.
Key features AAA640
- Essentially zero temperature coefficent of damping ratio
- Filtered and unfiltered outputs simultaneously available
- Integral temperature compensation
- DC input - DC output
- Signal ground isolated from power ground
- High reliability
Applications AAA640
- Data acquisition systems
- Crash recorders
- Fatigue life monitoring and prediction
- Monitoring and controlling deceleration in mass transit systems
- Road bed analysis and fault detection equipment for high speed railways
- Military and civil flight simulators
- Low frequency vibration monitoring
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Talk to an expertTechnical Specifications
| Specification | Value |
|---|---|
| Acceleration | Will withstand constant 20 times rated range in all 3 axes without damage |
| Compensated temperature | 0°C to +50°C |
| Damping ratio | 0.7 (± 0.2) @ 25°C |
| Humidity/immersion | IP65 |
| Hysteresis | ≤ 0.02% |
| Input current | 100mA dc max. |
| Measurement range | ±1g / ±2g / ±3g / ±5g / ±10g / ±20g |
| Non-linearity | ±0.5% |
| Operating temperature | -40°C to +100°C |
| Output [supply voltage] | ±5V filtered and unfiltered [6 - 32 VDC unregulated] |
| Resolution | ≤ 0.001% |
| Shock | 200g for 2ms (½ sine wave) |
| Storage temperature | -55°C to +130°C |
| Weight | 120 g max. |
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- ±0.5g to ± 5.0g Full Range
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