Triaxial
DKA Series Digital Triaxial MEMS Accelerometer
Jewell Instruments DKA Series Accelerometers are an excellent choice for cost to performance trade off. The DKA is based on silicon micro-machined MEMS Capacitive Accelerometer technology and designed for low power and high stability.
FEATURES
- Triaxial Configuration
- Measuring ranges of ±2G thru ±40G
- 100g shock protection
- Up to 1000 Hz bandwidth
- Ruggedized for harsh environment operation
- IP67 rating
- High Sensitivity with 1mg resolution
- RS232, RS485, MODBUS, and TTL Digital Interface outputs
- 9-36Vdc input voltage
- 2-meter cable whip (Included)
- M12 connector
APPLICATIONS
- Tower Cranes
- Wind Power Monitoring
- Robotics
- Traffic System Analysis
- Low-Frequency Vibration Measurement
- Medical Equipment testing
- Automatic Control Systems
- Large Machinery Monitoring
- Vehicle Testing
Performance Specifications
Static/Dynamic
| Measurement Range (g)1 | ±2 | ±4 | ±8 | ±10 | ±20 | ±40 |
| Output Interface | RS-232, RS-485, RS-485 MODBUS, and TTL | |||||
| Calibration Deviation (mg) | <1.0 | <1.0 | <1.0 | <1.0 | <1.0 | <1.0 |
| Measuring Axis | X, Y, Z (3-axis) | X, Y, Z (3-axis) | X, Y, Z (3-axis) | X, Y, Z (3-axis) | X, Y, Z (3-axis) | X, Y, Z (3-axis) |
| Bias Temperature Coefficient (%/°C, typical) | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 |
| 0° Output Error (mV) | <0.005 | <0.005 | <0.005 | <0.003 | <0.003 | <0.003 |
| Cross Axis Sensitivity(%) | 1.0 | 1.0 | 1.0 | 2.0 | 2.0 | 2.0 |
| Resolution @ 1Hz (mg, max) | <1.0 | <1.0 | <1.0 | <1.0 | <1.0 | <1.0 |
| Nonlinearity (% of Full Scale, max) | <0.5 | <0.8 | <1.0 | <1.0 | <1.0 | <1.0 |
| Lateral Vibration Sensitivity Ratio (%) | 1.0 | 1.0 | 2.0 | 5.0 | 5.0 | 5.0 |
| Frequency Response (Hz) | 500 | 500 | 500 | 500 | 500 | 500 |
| Bandwidth (Hz, 3db) | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 |
| Noise Spectral Density (µVolts/√Hz) | 21.0 | 21.0 | 21.0 | 86.6 | 86.6 | 86.6 |
| Output Rate (Hz) | 5, 10, 25, 50, 100, 200, 500, and 1000 | |||||
| Protocol | Jewell Std Protocol and MODBUS RTU Protocol | |||||
Electrical & Environmental
| Input Voltage (Vdc) | 9 to 36 |
| Operating Current | <60mA at 12Vdc |
| Operating Temperature Range | -40 to +85°C |
| Storage Temperature Range | -55 to +100°C |
| Shock Resistance | 100g (11msec ½ sine) |
| Vibration Resistance | 20grms @ 20-2000Hz |
| Seal | IP67 |
| Connector | Standard M12 |
Notes:
1: Intermediate ranges available. Custom ranges available by request.
Specifications subject to change without notice due to continued product development.