Air-Bearing C-LVDT (Capacitive LVDT)

Air-Bearing C-LVDT (Capacitive LVDT)

Adapts a capacitive sensor to a high-performance, LVDT-like contact measurement system.

  • Same high performance as capacitive sensors
  • Friction-Free air-bearing design
  • Minimal side-loading effects
  • Adjustable down-force as low as 0.2 g
  • Works in hostile environments
  • Retractable tip
  • Replaceable diamond tip
  • Requires capacitive sensor system (Elite, CPL230, or Compact Driver)

Life-Cycle Status: Active

Details below:
Specifications | Air-Bearing Design | Mechanical

C-LVDT Specifications
  • Measurement Range: 0.5mm | 0.020″
  • Contact Force: 0.2 g to 100 g
  • Radial Stiffness: < 0.25 µm/g
  • Bearing: Linear, porous air bearing
  • Diamond Tip: Radius: 3.175 mm | 0.125″ | Mount: 4-48AGD Thread
  • Moving Mass: 5.55  g Shaft, 1.35 g Tip, 6.9 g Total
  • Air Connection: 1/16″ ID flexible tubing
  • Air Consumption: 3-7 lpm | 0.10-0.25 cfm
  • Operating Air Pressure: 420-480 kPa | 60-70 psi
  • Air Filter Requirement: 5 µm particle size
C-LVDT Air-Bearing Construction

The air-bearing of the C-LVDT is the key to providing incredibly high-resolution contact measurements.

A porous carbon bearing flows air around the probe’s plunger. The air cushion provides friction-free movement and radial stiffness that minimizes side-loading effects when scanning a moving target.

Diamond Tips

Each Lion Precision C-LVDT comes complete with an interchangeable diamond tip. The high-precision measurements performed by the C-LVDT demand the highest quality contact interface.

Diamond is Superior to Ruby:

Low Friction– Side forces cause less lateral deflection from moving targets and less hysteresis on direction reversal.

Highly Polished Surface– Diamond accepts and holds a high polish, minimizing the possibility of scratching the measured surface.

Minimal Wear– Increased accuracy and longer life.

C-LVDT Mechanical Outline

 

 

 

 

 

 

 

 

 

 

 

 

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