Althen Sensors & Controls
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Eddy Current Sensors

Inductive Proximity Sensors using the eddy current principle are perfect for applications in harsh environments due to their high insensitivity to oil, dirt, dust, moisture and interference fields.

14 products found
KD-5600 Eddy Current Sensor

KD-5600 Eddy Current Sensor

Digital Differential Measuring System Designed for Non-Contact Linear Position Displacement Sensing Applications
Measurement range
Linearity
Output signal 5 - 24 VDC
8 - 30 VDC
Resolution
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KD-5100 Eddy Current Sensor

Differential resolution to a nanometer
Measurement range ±0.9 mm, ±1.9 mm
Non-Linearity ±0.1% to ±0.5%
Output signal ±10 V
Resolution up to 1 nm
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digiVIT Eddy Current Sensor

Digital variable impedance transducer for noncontact linear position / displacement sensing
Measurement range 0.5 mm ≤ 15 mm
Non-Linearity ±0.1%
±0.3%
Output signal ±0.5 V
±10 V
0 - 20 mA
4 - 20 mA
0 - 5 VDC
0 - 10 V
Resolution 0.01%
0.03%
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DIT-5200L Eddy Current Sensor

Noncontact differential, impedance transducer
Measurement range 0.25 mm ≤ 1.90 mm
Non-Linearity 0.1% - 1%
Output signal ±10 V
Resolution 0.003%
0.004%
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KD-1925 Extreme Environment Sensors

For high pressure, low temperature, and high temperature applications
Measurement range 0.9 mm, 1.27 mm
Non-Linearity ±1.5%
Output signal 0 - 1.75 V
0 - 2 V
Resolution 0.00076 mm (static), 0.0013 mm (dynamic)
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KD-1950 Extreme Environment Sensors

For high pressure, low temperature, and high temperature applications
Measurement range 2.54 mm, 3.81 mm
Non-Linearity ±1%
Output signal 0 - 1 V
0 - 1.5 V
Resolution 0.0013 mm (static), 0.0025 mm (dymanic)
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KD-1975 Extreme Environment Sensors

For high pressure, low temperature, and high temperature applications
Measurement range 2.5 mm
5 mm
Non-Linearity ±1%
Output signal 0 - 1 V
0 - 2 V
Resolution 0.05%
0.1%
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Can't find what you are looking for?

We offer Eddy Current Sensors, but can also help you with a tailor-made linear position sensor or a complete measuring solution. Please contact us for advice or budgetary pricing.

KD-2306 Eddy Current Sensor

Single channel multi-purpose non-contact displacement sensing system
Measurement range 0.5 mm - 60 mm
Non-Linearity ±1%
Output signal ±5 V
4 - 20 mA
0 - 5 V
0 - 10 V
Resolution 0.01%
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KD-2446 Eddy Current Sensor

Non-contact high-precision proximity measuring system
Measurement range up to 6.99 mm
Hysteresis < 1% on ferrous targets
Output signal 0 - 10 V
0 - 22 V
Resolution 0.008%
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KDM-8206 Eddy Current Sensor

Modular rack-mount multichannel non-contact position sensing
Measurement range 0.5 mm - 60 mm
Non-Linearity ±1%
Output signal 4 - 20 mA
0 - 10 V
Resolution 0.01%
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OEM-2306 Eddy Current Sensor

Non-contact position sensing using Eddy Current Technology Specifi cally for OEM applications
Measurement range 0.5 mm - 60 mm
Non-Linearity ±1%
Output signal ±5 V
0 - 5 V
0 - 10 V
Resolution 0.01%
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SC-2440 Eddy Current Sensor

Self contained analog output displacement sensors
Measurement range 2.5 mm, 4.0 mm
Repeatability 0.01%
Output signal 0 - 10 V
Resolution 0.001 mm at full range
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SMT-9700 Eddy Current Sensor

Flexible, high resolution position/displacement systems for analytical and OEM applications
Measurement range 0.5 mm ≤ 15 mm
Linearity custom
Output signal < 20 mA
Resolution custom
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ThreadChecker™

Noncontact application-specific sensors designed to check thread presence
Measurement range 2 mm - 10 mm
Analog Output < 50 mA
Switched Output Type Opto-isolated NPN
.
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Eddy Current Sensors

These non-contact position sensors and position measurement systems rely on eddy currents. To measure a position, they transform the distance to a magnetizable or non-magnetizable metal surface into a proportional voltage output. Although the contactless position sensors are available for measurement ranges from 0.5 mm to 60 mm, most applications are between 1 and 6 mm. Since the area targeted by the eddy current sensor needs to be between 1.5 and 2.5 times the size of the measurement range in each direction, the target for a measurement of 60 mm would have to be at least 100 mm wide.

The ThreadChecker is a specialized version of these non-contacting distance sensors for detecting and identifying inside threads. This reduces losses in automated drilling, tapping, and driving processes.

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