LCI Single-Axis Analog Inclinometer

The Jewell LCI Series flexure suspension servo inclinometer is a ±3° to ±90° device designed for low frequency tilt sensing applications. LCI units are characterized by excellent turn on repeatability and very low hysteresis.



Additional Information

Dimensions 1.53 in

• Standard 5 Hz Bandwidth Cutoff
• Economically Priced – High Accuracy
• Resolves Angles > 1µrad
• 100 ppm/°C Scale Factor Temp Sensitivity
• -55°C to +85°C Operating Temp Range


• Robotics Orientation
• Antenna Leveling
• Laboratory Testing
• Telescope Vertical Reference Calibration
• Vehicle Wheel Align
• Movement Detection System
• Educational Research
• Train Tilt Control Systems
• Train Automated Controls
• Tunnel Tilt Measurement
• Track Monitoring and Testing

Performance Specifications


Input Range (°)±3.0±5.0±10.0±14.5±30.0±90.0
Full Range Output (VDC, FRO ±5%)1±5 ±5 ±5 ±5 ±5 ±5
Non-linearity (%FRO max)
Scale Factor (Volts/g, nominal)95.557.428.820.010.05.0
Scale Factor Temperature Sensitivity (PPM/°C maximum)100100100100100100
Bandwidth (-3dB, Hz, nominal)
Transverse Axis Misalignment (° maximum)
0° Output Range (Volts)±0.1 ±0.6 ±0.075 ±0.05 ±0.05 ±0.025
0° Output Temperature Sensitivity (Volts/°C, maximum)0.0048 0.00290.00140.00030.00030.0003
Resolution & Threshold (µradian)3 111111


Number of Axes1
Input Voltage Range (VDC)±12 to ±18
Input Current (mA, maximum)30
Output Impedance (Ω, nominal)100
Noise (Vrms, maximum)0.001


Operating Temperature Range-55°C to +85°C
Storage Temperature Range-60°C to +90°C
Shock3 foot drop
SealMIL-STD-202, Mtd. 112

1: Full range is defined as “from negative full input angle to positive full input angle.” The Inclinometer output is proportional to the sine of the tilt angle.
2: Nonlinearity is specified as deviation of output referenced to theoretical sine function value, independent of misalignment.


Outline Drawing
Servo Sensors Manual

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