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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