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Capacitive Sensors

Capacitive Sensor Drivers:
Elite Series CPL190 & CPL290

High resolution capacitive sensors for demanding applications.

Features | Specifications | Probes & Ranges

Features

Ranges Available: 10 µm to 12.5 mm
Switchable Dual-Range/Sensitivity (CPL290)
±10 V Output
15 kHz Bandwidth
0.003% Resolution @ 15 kHz Typical (RMS)
- Probe/Range dependent, see Probes and Ranges for details
- Custom calibrations can achieve exceptional resolution performance
User selectable bandwidth for even higher resolutions (100 Hz, 1 kHz, 10 kHz)
Small phase shift - excellent for servo applications
Coarse/Fine Adjustable Zero
Zero Adjust Disable
Visual Range Indicator
Single or Multiple Channel enclosures
Standard Probes can be ordered as vacuum compatible.

Life-Cycle Status: Active

Specifications

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

Typical Resolution	0.0006% - 0.008% F.S. Custom calibrations can achieve exceptional resolution performance
Bandwidth (-3db) (PCB Dip-Switch)	15 kHz, 10 kHz, 1 kHz, 100 Hz
Typical Linearity	0.2%F.S.
Error Band	0.3%F.S.
Maximum Drift	0.02%F.S./°F 0.04%F.S./°C
BNC Output Voltage	±10 V
BNC Output Impedance	0 ohms, 15 mA max
Rear Panel National Instruments Interface Connector Output Voltage	Differential ±10 V
Operating Temperature	40°F-120°F 4°C-50°C

CPL190/CPL290 Ranges/Resolutions - Probe Dependent

Larger Sensing Area = Larger Range

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

probe-sensor

Too Much? Get Expert Help

1 mil = 0.001"

Standard Probes		Calibration Type
		— Ultrafine —					— Fine —					— Standard —					— Extended —
Sensing Area Diameter mm	Body Styles	Range µm mils	Near Gap µm mils	Resolution*		Lin. %FS	Range µm mils	Near Gap µm mils	Resolution*		Lin. %FS	Range µm mils	Near Gap µm mils	Resolution*		Lin. %FS	Range µm mils	Near Gap µm mils	Resolution*		Lin. %FS
				BW Hz	nm µin				BW Hz	nm µin				BW Hz	nm µin				BW Hz	nm µin
0.5		—	—	—	—	—	10 0.4	20 0.8	100	0.06 0.003	0.25	50 2.0	50 2.0	100	0.3 0.012	0.25	80 3.0	60 2.5	100	0.5 0.02	0.25
				—	—				1k	0.1 0.004				1k	0.5 0.020				1k	1.0 0.04
				—	—				10k	0.4 0.16				10k	3.0 0.12				10k (max)	5.0 0.20
				—	—				15k	0.6 0.14				15k	4.0 0.16				15k	—
0.8		—	—	—	—	—	25 1.0	75 3.0	100	0.2 0.008	0.15	100 4.0	100 4.0	100	0.5 0.02	0.15	—	—	—	—	—
				—	—				1k	0.5 0.02				1k	1.0 0.04				—	—
				—	—				10k	1.2 0.05				10k	3.5 0.14				—	—
				—	—				15k	1.5 0.60				15k	5.0 0.20				—	—
2.0		10 0.4	20 0.8	100	0.05 0.002	0.15	50 2.0	75 3.0	100	0.20 0.008	0.15	250 10.0	125 5.0	100	0.80 0.03	0.10	500 20.0	125 5.0	100	1.5 0.06	0.15
				1k	0.08 0.003				1k	0.30 0.010				1k	1.0 0.04				1k	3.0 0.12
				10k	0.15 0.006				10k	0.60 0.024				10k	4.0 0.16				10k	10 0.40
				15k	0.25 0.010				15k	1.0 0.040				15k	6.0 0.24				15k	15 0.60
3.2		—	—	—	—	—	50 2.0	125 5.0	100	0.25 0.010	0.20	500 20.0	250 10.0	100	2.5 0.10	0.15	1250 50.0	250 10.0	100	7.0 0.28	0.20
				—	—				1k	0.40 0.016				1k	3.0 0.12				1k	10 0.40
				—	—				10k	0.80 0.032				10k	7.0 0.28				10k	20 0.80
				—	—				15k	1.3 0.052				15k	10 0.40				15k	30 1.2
5.6		—	—	—	—	—	50 2.0	225 9.0	100	0.30 0.012	0.20	500 20.0	500 20.0	100	2.0 0.08	0.20	2000 80.0	250 10.0	100	10 0.40	0.45
				—	—				1k	0.40 0.016				1k	3.0 0.12				1k	15 0.60
				—	—				10k	1.0 0.04				10k	6.0 0.24				10k	20 0.80
				—	—				15k	1.6 0.06				15k	10 0.40				15k	30 1.2
13		—	—	—	—	—	2000 80.0	2000 80	100	20 0.80	0.5	3200 125	2000 80	100	30 1.2	0.5	5000 200	3000 120	100	75 3.0	0.5
				—	—				1k	28 1.1				1k	42 1.7				1k	105 4.2
				—	—				10k	36 1.4				10k	54 2.2				10k	135 5.4
				—	—				15k	40 1.6				15k	60 2.4				15k	150 6.0
19		—	—	—	—	—	—	—	—	—	—	2500 100.0	5000 200	100	50 2.0	0.20	6000 250.0	3000 120	100	90 3.5	0.25
				—	—				—	—				1k	70 2.8				1k	126 5.0
				—	—				—	—				10k	90 3.6				10k	162 6.4
				—	—				—	—				15k	100 4.0				15k	180 7.1
21		—	—	—	—	—	—	—	—	—	—	8000 300	5000 200	100	75 3.0	0.5	12500 500	5000 200	100	125 5.0	0.5
				—	—				—	—				1k	1.0 4.2				1k	175 7.0
				—	—				—	—				10k	1.0 5.4				10k	225 9.0
				—	—				—	—				15k	150 6.0				15k	250 10.0

* Resolution values are RMS. Peak-to-peak values are typically 8-10 times greater than the RMS values.
In high EMI conditions (10 V/m), output DC level may shift and noise may rise to 0.2 VRMS (1% resolution)
Custom calibrations can achieve exceptional resolution performance

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Capacitive Sensors

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Capacitive Sensor Drivers: Elite Series CPL190 & CPL290

Features

Specifications

Typical Resolution

Bandwidth (-3db) (PCB Dip-Switch)

Typical Linearity

Error Band

Maximum Drift

BNC Output Voltage

BNC Output Impedance

Rear Panel National Instruments Interface Connector Output Voltage

Operating Temperature

CPL190/CPL290 Ranges/Resolutions - Probe Dependent

Standard Probes

Calibration Type

— Ultrafine —

— Fine —

— Standard —

— Extended —

Sensing Area Diameter

Body Styles

Range

Near Gap

Resolution*

Lin.

Range

Near Gap

Resolution*

Lin.

Range

Near Gap

Resolution*

Lin.

Range

Near Gap

Resolution*

Lin.

0.5

0.8

2.0

3.2

5.6

13

19

21

Capacitive Sensor Drivers:
Elite Series CPL190 & CPL290

Sensing
Area Diameter