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ECL150 & ECL150e Multi-Channel
Eddy-Current Displacement Sensor


Up to eight channels of high-performance displacement sensing in a small package.

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Survey Response

“I tested your Eddy Current sensors against 3 other brands for thermal stability & you were best by far.  Service and support have always been great.  Lion Precision is always very flexible and willing to meet our needs as they change.”

Performance

Features

Life-Cycle Status: Active

Export Requirements

Because of high resolutions, exports of the ECL150 may require an export license. The ECL150e has different resolution specifications and can ship without export license delays.

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Specifications

Typical specifications for standard targets and probes. Actual values depend on probe, target, and calibration. Specifications assume a target area at least three times the diameter of the probe.

Resolution:
RMS, Typical

Dependent on probe and range.
See Range Table for resolution specifics.

ECL150

0.006% RMS (Nonferrous);
0.008% RMS (Ferrous)

ECL150e

Greater of 0.4 µm or
0.006% RMS (Nonferrous);
0.008% RMS (Ferrous)

Linearity

0.2% of Range

Error Band

0.4% of Range

Maximum Bandwidth

15 kHz

Driver Temperature Drift
(15°C-50°C)

Typical. See Probe/Range chart for details.

nonferrous 0.01% F.S./°C

ferrous 0.01% F.S./°C

Probe Temperature Drift
(15°C-65°C)

Typical. See Probe/Range chart for details.

nonferrous 0.01% F.S./°C
ferrous 0.01% F.S./°C

Analog Output

±5 VDC, 0 Ω, 15 mA

Input Power

12 to 24 VDC,
1-2 Channels – 2.5 W
3-4 Channels – 3.5 W
5-6 Channels – 4.5 W
7-8 Channels – 5.5 W

Driver Operating Environment

4°C-50°C
IP64

Probe Operating Temperatures

Standard Probes come with PUR (Polyurethane) jacketed cables. High Temperature Probes have FEP jackets.

Other temperature ranges may be possible. Contact us for more information.

Standard Probes: IP67

High Temperature Probes: IP63

U3 Probe

Standard Probe (PUR Cable):
-25°C to +125°C
(Available with optional FEP cable)

High Temperature Version Not Available

U5-18 Probes

Standard Probes:
-25°C to +125°C

High Temperature Probes:
-25°C to +200°C

U25-50 Probes

Standard Probes:
-25°C to +125°C

High Temperature Probes:
-25°C to +175°C

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Probes, Ranges, and Resolutions (Probe Dependent)

Larger Probe Diameter = Larger Range
Target: Flat, Surface Diameter > 3 X Probe Diameter
or custom calibration required

Probes can be ordered as vacuum compatible. custom probes are available.

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Ranges, Resolutions, Thermal Drift

Listed specifications are for standard target materials: Nonferrous - Al 6160, Ferrous - 4140 Steel.

Range

mm
inch

Near Gap

mm
inch

Probe


probe flyout

Target
Type

ECL150
Resolution (RMS)*

nm
µinch

ECL150e
Resolution (RMS)*

nm
µinch

Thermal Drift**

±%F.S./°C

250 Hz 1 kHz 10 kHz 15 kHz 15 kHz Probe Driver
0.50
0.020
0.05
0.002

U3

eddy-current displacement sensor probe

nonferrous 35
1.4
45
1.8
60
2.4
65
2.6
400
16
0.04 0.04
ferrous 60
2.4
80
3.2
100
4.0
110
4.4
400
16
0.08 0.08
1.25
0.050
0.25
0.010

U5

eddy-current displacement sensor probe

nonferrous 75
3.0
100
4.0
140
5.6
150
6.0
400
16
0.04 0.10
ferrous 130
5.0
180
7.0
240
9.5
260
10
400
16
0.10 0.10
2.00
0.080
0.35
0.015

U8

eddy-current displacement sensor probe

nonferrous 75
3.0
100
4.0
135
5.5
145
6.0
400
16
0.02 0.04
ferrous 100
4.0
125
5.0
180
7.0
200
8.0
400
16
0.04 0.04
3.50
0.140
0.60
0.025

U12

eddy-current displacement sensor probe

nonferrous 120
4.8
160
6.3
210
9.0
240
10
400
16
0.02 0.01
ferrous 150
6.0
200
8.0
250
10
300
12
400
16
0.03 0.01
5.00
0.200
0.75
0.030

U18

eddy-current displacement sensor probe

nonferrous 170
7.0
240
10
300
12
340
14
400
16
0.01 0.01
ferrous 230
9.0
300
12
390
16
450
18
500
18
0.01 0.01
8.00
0.320
1.25
0.050

U25

eddy-curretn displacement sensor probe

nonferrous 330
13
430
17
600
24
650
26
650
26
0.01 0.01
ferrous 360
15
480
20
650
26
750
30
750
30
0.01 0.01
12.5
0.500
1.50
0.060

U38

eddy-curretn displacement sensor probe

nonferrous 600
24
750
30
1000
40
1200
48
1200
48
0.01 0.01
ferrous 650
26
800
32
1100
44
1300
52
1300
52
0.02 0.01
15.0
0.600
2.00
0.080

U50

eddy-curretn displacement sensor probe

nonferrous 750
30
1000
40
1300
52
1400
56
1400
56
0.01 0.01
ferrous 800
32
1100
45
1400
55
1500
60
1500
60
0.01 0.01

* Peak-to-Peak values are approximately 8-10 times RMS values
In high EMI environments, output noise may rise to 0.060 VRMS (0.6% resolution) and DC shift of up to 0.2 VDC.

**Thermal Drift specified at: Probe: 15°C - 65°C; Driver: 15°C - 50°C

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Mechanical

Standard Model (with enclosure)

ECL150 Eddy Current Sensor Outline Dimensions

Model without enclosure

ecl150 dimensions without enclosure

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Mouse-Over probe icons for dimensional preview.
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50 mm eddy current probe

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38 mm eddy current probe

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25 mm eddy current probe

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18 mm eddy current probe

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12 mm eddy current probe 12 mm eddy current probe

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8 mm eddy current probe 8 mm eddy current probe

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5mm eddy current probe 5 mm eddy current probe

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3 mm eddy current probe 3 mm eddy current probe

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