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LSO Single-Axis Analog Inclinometer

The Jewell LSO Series fluid damped, flexure suspension, servo inclinometer is a precision internal grade sensing instruments and it is Jewell’s most robust solution designed to meet the needs of a variety of commercial, industrial, and aerospace applications. LSO Series is a fluid damped design. Units are available with a 6-pin connector, or pin-terminals and in ±5V and 4-20mA outputs.

 

 

Additional information

Weight 13 oz
Dimensions 3.64 × 1.6 × 1.7 in
Features

• Extremely high resolution and low hysteresis of less than 0.0005% of full range output.
• Extremely robust designed to withstand shocks in excess of 1500g and vibration of 20 grms.
• Responds to changes of slope as small as 0.000006”/ft.
• High accuracy closed-loop force balanced sensor technology.
• Low white noise spectral density of better than 0.15µV/Sq. Root HZ
• RoHS compliant version available

Applications

• Steel Processing
• Continuous Casting
• Electric Arc Furnace
• Idle Control
• Heavy construction
• Paving
• Grading
• Mining
• Tunneling
• Overturn Detection
• Structural Monitoring
• Automated Train Controls
• Rail Leveling and Grinding
• Rail Bed Analysis

LSO: ±5V Output

Performance Specifications

Static/Dynamic

Input Range (°)±1.0±3.0±14.5±30.0±45.0±90.0
Full Range Output (VDC, FRO ±5%)1±5 ±5 ±5 ±5 ±5 ±5
Non Linearity (%FRO max)20.050.050.020.020.020.05
Scale Factor (Volts/g, nominal)286.595.520.010.07.0715.0
Scale Factor Temperature Sensitivity (PPM/°C maximum)400300100606060
Bandwidth (-3dB, Hz, nominal)0.5215202040
Transverse Axis Misalignment (° maximum)0.10.150.250.51.001.00
0° Output (Volts Range)±0.1 ±0.04 ±0.02 ±0.02 ±0.02 ±0.02
0° Output Temperature Sensitivity (Volts/°C maximum) 0.0050.0030.0010.00050.00040.0003
Resolution & Threshold (µ)3111111

Electrical

Number of Axes1
Input Voltage Range (VDC)±12 to ±18
Input Current (mA, maximum)15
Output Impedance (Ω, nominal)100
Noise (Vrms, maximum)0.002

Environmental

Operating Temperature Range-18°C to +71°C
Storage Temperature Range-40°C to +71°C
Shock1500g, 0.5 msec, ½ sine
Vibration20 grms

Enclosure

Housing MaterialAnodized Aluminum
Protection Class (per IEC 529)IP68
Fastener Size3#8-32 (M4X0.7)
Torque for Steel Fasteners410 inch-lbs (1.0nM)
Jewell Connector Part #62101011-000
Surface Flatness30.003 (0.0765mm)

Custom Capabilities:

  • Internal temperature sensor and thermal modeling for the highest levels of accuracy over a wide temperature range
  • Available in LSR Series package configuration for applications requiring a more compact solution
  • Factory set zero biasing for non-horizontal measurements
  • Solder terminals and flying leads in place of military connector
  • Custom input ranges from ±0.5° to ±90° available
  • Custom output impedances available
  • Custom bandwidths available on certain ranges

Notes:
3: Full Range is defined “from negative full input angle to positive full input angle.”
4: Nonlinearity is specified as deviation of output referenced to theoretical sine function value, independent of misalignment.

LSO-L: 4-20mA Output

Performance Specifications

Static/Dynamic

Input Range (°)±1.0±3.0±14.5±30.0±90.0
Full Range Output (mA ±1%)14-204-204-204-204-20
Non-linearity (%FRO max)20.050.050.100.100.05
Scale Factor (mA/g, nominal)458.4152.632.016.08.0
Scale Factor Temperature Sensitivity (PPM/°C maximum)400300100100100
Bandwidth (-3dB, Hz, nominal)0.32152030
Transverse Axis Misalignment (° maximum)0.150.25 0.50 1.001.00
0° Output (mA)12 ±0.6 12 ±0.6 12 ±0.3 12 ±0.3 12 ±0.3
Output at 0° Tilt Temperature Sensitivity (mA/°C maximum)0.0150.010.00320.00320.0016
Resolution & Threshold (µ)311111

Electrical

Input Voltage Range (VDC)20 to 30 (24 nominal)
Input Current (mA, maximum)40
Noise (Vrms, maximum)0.01

Environmental

Operating Temperature Range-18°C to +71°C
Storage Temperature Range-40°C to +71°C
Shock1500g, 0.5 msec, ½ sine
Vibration20 grms

Enclosure

Housing MaterialAnodized Aluminum
Protection Class (per IEC 529)IP68
Fastener Size3#8-32 (M4X0.7)
Torque for Steel Fasteners410 inch-lbs (1.0nM)
Jewell Connector Part #62101011-000
Surface Flatness30.003 (0.0765mm)

Custom Capabilities

  • Internal temperature sensor and thermal modeling for the highest levels of accuracy over a wide temperature range
  • Factory set zero biasing for non-horizontal measurements
  • Solder terminals and flying leads in place of military connector
  • Custom input ranges from ±0.5° to ±90° available
  • Custom bandwidths available on certain ranges

Notes:
1: Full Range is defined “from negative full input angle to positive full input angle.”
2: Referenced to theoretical sine value independent of misalignment.

Downloads

Datasheet
Outline Drawing
Servo Sensors Manual

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