CPA100

CPA100

Capacitive displacement sensor with adjustable Gain and Zero and setpoint switch output.

High-Speed Analog Output for Linear Position Monitoring
  • High-Repeatability Proximity Switched Output
  • Setpoint/Switched Output (Switch Closure)
  • Adjustable Gain and Zero/Switch-Point
  • Repeatability as low as 1 micron
  • Configurable for Your Application
  • Ranges Available: 50 µm – 12.5 mm
  • External Gain and Zero adjustment connections
  • DIN Rail Case
  • Multiple Channel Sync (requires sync cable kit)
  • Standard Probes can be ordered as vacuum compatible
Specifications

Typical specifications. Actual values depend on probe and calibration.

  • Resolution
    • @ mid-range: CPA100: 0.03%F.S. RMS
    • @ 15 kHz (Typical): CPA100e: 0.3 µm RMS or higher Details on Probes and Ranges in Brochure
  • Bandwidth: 15 kHz (-3dB)
  • Ranges:  50 µm to 12.5 mm
  • Linearity: Nonlinear
  • Maximum Drift: Driver: 0.2% F.S./°C | Probe: 0.05% F.S./°C
  • Analog Output: 0-10 VDC, 0 ohms, 15 mA max
  • Setpoint Output: Solid state switch closure: 30 VAC/60 VDC max | On state: 2.5 Ω, 100mA max | Off state leakage: 10µA max
  • Analog Output Impedance: 0 ohms
  • Operating Temperature: 4°C-50°C
  • Input Power: 15-24 VDC, 2.5 W
  • Zero/Offset Adjust:  Yes
  • Typical Thermal Drift:  Driver: 0.2% F.S./°C Probe: 0.05% F.S./°C
Proximity Sensors and Displacement Sensors

Proximity sensors are often used for simple presence/absence detection – this is why they are often called proximity “switches.” But some applications require higher performance measurement. Applications where the difference between present and absent may only be a few microns require higher resolution sensors than a typical proximity switch. The CPA100 can resolve a target’s position to less than 50 microns and do so at up to 15 kHz. It also provides a nonlinear analog output to provide feedback proportional to the target’s position.

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