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Capacitive Sensor: CPL230
Multi-Channel, High Resolution

 

High resolution, adjustment-free capacitive sensors ideal for OEM applications or other embedded systems.

Precise, High-Speed Measurements

Convenient Output Interface and Range Selections

Versatile, Useful Features

Life-Cycle Status: Active

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Specifications

Typical specifications. Resolution and linearity depend on probe, range, and bandwidth. See Probes and Ranges for details.

Typical Resolution*

0.004% @ 15 kHz
0.0007% @ 100 Hz

Bandwidth
(PCB Dip-Switch Selectable)

15 kHz, 10 kHz, 1 kHz, 100 Hz

Typical Linearity*

0.5% F.S.

Probe Thermal Stability

0.04%F.S./°C max

Differential Output

±10 V, 0 ohms, 15 mA max

Single-Ended Output

±5 V, 0 ohms, 15 mA max

Operating Temperature

4-50 °C

Input Power

±15 VDC @ 500 mA max. ea.

*Probe/Range dependent, see Range/Resolution table below

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CPL230 Measurement Ranges/Resolutions (Probe Dependent)

Too Much? Get Expert Help

Listed specifications assume a 2 meter probe cable; flat measurement area diameter at least 1.3 times larger than the Sensing Area diameter; and no customizations.

1 mil = 0.001"

probe-sensor cal

Noise image

Integral filters included in the CPL230

   

Standard Probes

Sensing Area
Diameter

mm

Measurement Range

Resolution* @ Bandwidth

Linearity

% F.S.

Body Style

capacitive sensor probe dimensions

Range
Type

Range
µm
mils

Near Gap
µm
mils

100 Hz
nm
µin
1 kHz
nm
µin
10 kHz
nm
µin
15 kHz
nm
µin
0.5 Fine 10
0.4
20
0.8
0.08
0.004
0.14
0.006
0.56
0.022
0.70
0.028
1.0

Standard 50
2.0
50
2.0
0.42
0.017
0.70
0.028
4.2
0.17
5.6
0.22
0.50
Extended 80
3.0
60
2.4
0.70
0.030
1.4
0.060
7.0
0.28
0.50
0.8 Fine 25
1.0
75
3.0
0.28
0.011
0.70
0.028
1.7
0.070
2.1
0.084
0.50

Standard 100
4.0
100
4.0
0.70
0.028
1.4
0.056
4.9
0.20
7.0
0.28
0.50
2.0 Ultrafine 10
0.4
20
0.8
0.07
0.003
0.11
0.004
0.21
0.008
0.35
0.014
1.0

Fine 50
2.0
75
3.0
0.28
0.011
0.42
0.014
0.84
0.034
1.4
0.056
0.30
Standard 250
10.0
125
5.0
1.1
0.042
1.4
0.056
5.6
0.22
7.0
0.28
0.30
Extended 500
20.0
125
5.0
2.1
0.08
4.2
0.17
8.4
0.45
14
0.56
0.30
3.2 Fine 50
2.0
125
5.0
0.35
0.014
0.56
0.022
1.4
0.045
2.2
0.073
0.30
Standard 500
20.0
250
10.0
2.8
0.14
4.2
0.17
8.4
0.39
14
0.56
0.30
Extended 1250
50.0
250
10.0
14
0.39
21
0.56
28
1.1
42
1.7
0.30
5.6 Fine 50
2.0
225
9.0
0.42
0.017
0.56
0.022
1.1
0.056
1.8
0.084
0.30

20mm rectangular probe

Standard 500
20.0
500
20.0
3.5
0.11
4.2
0.17
9.8
0.34
14
0.56
0.30
Extended 2000
80.0
250
10.0
9.8
0.56
14
0.84
28
1.1
42
1.7
0.30
13 Fine 2000
80.0
2000
80
28
1.1
42
1.7
49
2.0
56
2.2
0.50
Standard 3200
125
2000
80
40
1.7
56
2.2
70
2.8
84
3.4
0.50
Extended 5000
200
3000
120
100
4.2
140
5.6
180
7.3
210
8.4
0.50
19 Standard 2500
100.0
5000
200
70
2.8
100
3.9
120
5.0
140
5.6
0.50
Extended 6000
250.0
3000
120
130
5.0
170
6.7
220
9.0
250
100
1.0
21 Standard 8000
300
5000
200
100
4.2
140
5.6
180
7.3
210
8.4
0.50
Extended 12500
500
5000
200
180
7.3
250
10
320
13
350
14
0.50

* Resolution values are RMS. Peak-to-peak values are typically 8-10 times greater than the RMS values. Read Understanding Sensor Resolution Specifications and Effects on Performance about this often misunderstood specification.
In high EMI conditions (10 V/m), output DC level may shift and noise may rise to 0.25 VRMS (1.3% resolution)
Custom calibrations can achieve exceptional resolution performance

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Mechanical Details

 

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