DXA-100/200 (Rail) Linear Accelerometer

The Jewell DXA-100/200 Series single or dual digital accelerometer takes Jewell’s highly accurate analog closed-loop sensor technology to the next level.


Additional Information

Weight 10 oz
Dimensions 3.63 × 2.03 × 2.1 in

• Digital output
• Resolution 8 µg
• Mechanical Shock 1500g 1msec half sine
• Industry Standard EIA-RS485 and EIA-RS422 output
• For use in high shock and vibration environments
• High Precision and Performance
• Low Noise
• Meets CENELEC/AREMA Standards


• Radar/Antenna Control
• Structural Monitoring
• Linear Acceleration/Deceleration Measuring
• Automatic Train Position Control
• Seismic Monitoring
• Platform Leveling

Performance Specifications


Input Range (g)1±0.25±0.50±0.87±1.00±2.00
Non-linearity (%FRO max20.
Scale Factor Tolerance (% maximum)
Bias (mg)
Bias Thermal Sensitivity (mg)9090909090
0° Output Temperature Sensitivity (°/°C, maximum)0.0050.0050.0050.0050.005
Bandwidth (-3dB, Hz nominal)33030303030
Transverse Axis Misalignment (° maximum)

Digital Output

InterfaceEIA-RS-485 (default)/EIA-RS-422
ProtocolProprietary (custom)
Output Representationg
Baud Rate419200, 38400 (default), 57600, 115200, 230400


Number of Axes1 or 2
Supply Voltage Range (VDC)10 to 30
Input Current (mA, maximum)Transmitting: DXA-100-R 32 mA/DXA-200-R 50 mA
Not transmitting: DXA-100-R 22 mA/DXA-200-R 40 mA


Operating Temperature Range-40°C to +85°C
Storage Temperature Range-40°C to +85°C
Protection Class per IEC 529IP67
NEMA Enclosure Rating6
Shock Survival1500g, 1 msec, ½ sine
Vibration Survival (grms 20 Hz to 2 KHz)20


Housing MaterialAnodized Aluminum
Connector TypeMS27476Y10D35P
Recommended Mating ConnectorMS27473T10B35S


1: Full range is defined as "from negative full input angle to positive full input angle."
2: Nonlinearity is specified as a deviation of output referenced to a best fit straight line, independent of misalignment.
3: In default condition without averaging
4: Default Baud rate is 38400

*Specifications subject to change without notice on account of continued product development.


DXA-100/200 Outline Drawing
DX Quick Start Guide
DX User's Manual
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