Triaxial

DKA Series Digital Triaxial MEMS Accelerometer

DKA Series Digital Triaxial MEMS Accelerometer

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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.

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