DKA Digital MEMS Accelerometer

Highlights:

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.

 

 

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Additional information
Weight 2.6 oz
Dimensions 1.35 × 1.35 × 1.51 in
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

Performance Specifications

Static/Dynamic

Measurement Range (g)1±2±4±8±10±20±40
Output InterfaceRS-232, RS-485, RS-485 MODBUS, and TTL
Calibration Deviation (mg)<1.0<1.0<1.0<1.0<1.0<1.0
Measuring AxisX, 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)0.010.010.010.010.010.01
0° Output Error (mV)<0.005<0.005<0.005<0.003<0.003<0.003
Cross Axis Sensitivity(%)1.01.01.02.02.02.0
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 (%)1.01.02.05.05.05.0
Bandwidth (Hz, 3db)725725725725725725
Noise Spectral Density (µVolts/√Hz)21.021.021.086.686.686.6
Output Rate (Hz)5, 10, 25, 50, 100, 200, 500, and 1000
ProtocolJewell 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 Resistance100g (11msec ½ sine)
Vibration Resistance20grms @ 20-2000Hz
SealIP67
ConnectorStandard M12

Notes:
1: Intermediate ranges available. Custom ranges available by request.

Specifications subject to change without notice due to continued product development.

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