The A1521 accelerometer has been designed for dynamic structural testing in tough field conditions. These accurate, rugged, and fully-weatherproofed integrated MEMS sensors can be used from zero to medium frequency applications that require low noise and reliable long-term stability. Available in uni, bi, and tri-axial versions, each model can be installed very quickly and is available in ranges between ±2g and ±100g.
| UNIAXIAL MODELS | UA1521-002 | UA1521-005 | UA1521-010 | UA1521-025 | UA1521-050 | UA1521-100 |
| BIAXIAL MODELS | BA1521-002 | BA1521-005 | BA1521-010 | BA1521-025 | BA1521-050 | BA1521-100 |
| TRIAXIAL MODELS | TA1521-002 | TA1521-005 | TA1521-010 | TA1521-025 | TA1521-050 | TA1521-100 |
| RANGE (g)1 | ±2 | ±5 | ±10 | ±25 | ±50 | ±100 |
| FREQUENCY RESPONSE [NOMINAL, 3dB] (Hz) | 0-300 | 0-400 | 0-600 | 0-900 | 0-1200 | 0-1400 |
| DIFFERENTIAL SENSITIVITY (mV/g) | 1000 | 400 | 200 | 80 | 40 | 20 |
| EXCITATION VOLTAGE | +5.0 Vdc ±5% | |||||
| OUTPUT | ±2.0 Vdc Full Scale Output | |||||
| OPERATING TEMPERATURE2 | -58° to +176 °F (-50° to +80 °C) | |||||
| SIZE
UNIAXIAL: BIAXIAL: TRIAXIAL: |
0.80 in x 1.95 in x 0.49 in (20.3 mm x 49.5 mm x 12.4 mm) 2.0 in x 1.01 in x 1.07 in (50.8 mm x 26.8 mm x 27.2 mm) 2.0 in x 1.01 in x 1.07 in (50.8 mm x 26.8 mm x 27.2 mm) |
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| HOUSING | Machined 6061 Aluminum Alloy | |||||
| CORROSION RESISTANCE | Hard Anodized Clear (MIL-A-8625 Type III) | |||||
| WEATHER PROTECTION | Designed to exceed IP67 | |||||
1 Higher ranges are available, contact BDI for more details
2 Temperature limit based on instrumentation cable operating temperatures, call BDI for wide temperature range cable options.
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