LCA-165 (Rail) Accelerometer

The Jewell LCA-165 Series accelerometers are configured specifically to yield a combination of high accuracy and ruggedness in railway applications. The Jewell LCA-165-R Series is the highest repeatability sensor of its class in the world today.

Additional Information

Weight 4 oz
Dimensions 3.10 × 1.36 × 1.525 in

• ±0.5g to ± 2.0g Full Range
• Filtering Available
• Exceptional Bias
• High Level ± Vdc Output
• 100g Shock Capability


• Rail Monitoring and Testing
• Automated Train Controls
• Acceleration/Deceleration Control

Performance Specifications


Input Range (g)±0.5±1.0±2.0±5.0
Full Range Output (FRO VDC ±0.5%)1±5.0±5.0±5.0±5.0
Nonlinearity (Note 2) % FRO maximum)
Scale Factor (Volts/g nominal)
Scale Factor Temperature Sensitivity (PPM/°C maximum)180180180180
Natural Frequency (Hz nominal)260606060
Output Axis Misalignment (° maximum)
Pendulous Axis Misalignment (° maximum)
Bias (g)±0.01±0.01±0.01±0.01
Bias Temperature Sensitivity (µg/°C maximum)100100100100
Resolution & Threshold (µg maximum)


Number of Axes1
Input Voltage Range (VDC)±12 to ±18
Input Current (mA maximum)25
Output Impedance (Ω nominal)100
Noise (Vrms maximum)0.005


Operating Temperature Range-55°C to +85°C
Storage Temperature Range-60°C to +90°C
Vibration (grms)0
Shock100g, 0.011 sec, ½ sine

1: Full Range is defined "from negative full input acceleration to positive full input acceleration."
2: Nonlinearity is specified as deviation of output referenced to theoretical sine function value, independent of misalignment.
3: Output Phase angle = - 90°.


LCA-165-R Datasheet
Outline Drawing

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