CPA100 Video

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Capacitive Sensors

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Capacitive Sensor:
CPA100 and CPA100e
Precision Analog Proximity Switch

Lower cost capacitive displacement sensor with adjustable Gain and Zero and setpoint switch output.

Applications down | Specifications down | Probes & Ranges down | Mechanical down

 

Life-Cycle Status: Active

Export Requirements

Because of high resolutions, exports of the CPA100 may require an export license.

CPA100e

The CPA100e has different resolution specifications and can ship without export license delays.

Applications

Production Line Part Sorting

Double Sheet Detection (paper or other nonconductors)

Assembly Process Monitoring: Position, Level, Squareness

Specifications

Typical specifications. Actual values depend on probe and calibration.

Resolution
@ mid-range
@ 15 kHz
(Typical)

CPA100: 0.03%F.S. RMS
CPA100e: 0.3 µm RMS or higher
Details on Probes and Ranges

Bandwidth

15 kHz (-3dB)

Linearity

Nonlinear (see chart below)

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

Output Impedance

0 ohms

Operating Temperature

4°C-50°C

Input Power

15-24 VDC, 2.5 W

CPA100 Ranges/Resolutions - Probe Dependent

Larger Sensing Area = Larger Range

Target: Flat, Surface Diameter > 130% Sensing Area Diameter or custom calibration required

1 mil = 0.001"

probe-sensor cal Noise image  

Standard Probes

Sensing Area
Diameter

mm

Measurement Range

Resolution* @ 15 kHz

Body Style

capacitive sensor probe dimensions

Range
Type

Range
µm
mils

Near Gap
µm
mils

CPA100
nm
µin
CPA100e
nm
µin
0.5 Standard 50
2.0
50
2.0
55
2.5
400
16

Extended 80
3.0
60
2.4
100**
4.0
400
16
0.8 Standard 100
4.0
100
4.0
55
2.5
400
16

2.0 Standard 250
10.0
125
5.0
40
1.6
400
16

Extended 500
20.0
125
5.0
55
2.5
400
16
3.2 Standard 500
20.0
250
10.0
85
3.5
400
16
Extended 1250
50.0
250
10.0
130
5.0
400
16
5.6 Standard 500
20.0
500
20.0
140
5.5
400
16

20mm rectangular probe

Extended 2000
90.0
250
10.0
170
7.0
800
32
13 Standard 3200
125
2000
80
1000
40
1000
40
Extended 5000
200
3000
120
1600
63
1600
63
19 Standard 2500
100.0
5000
200
1400
55
1400
55
Extended 6000
250.0
3000
120
1100
43
1100
43
21 Standard 8000
300
5000
200
1200
47
1200
47
Extended 12500
500
5000
200
1600
63
1600
63

* Resolution is RMS value at midrange. P-P resolution is 8-10 times higher.
** 0.5 sensing area limited to 10 kHz bandwidth in extended range

Typical Linearity for Standard and Extended Range Calibrations

cpa100 capacitive sensor linearity

Mechanical Details

Mouse-Over probe icon for dimensional preview.

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