eddyNCDT 3020 Inductive (eddy current)
eddyNCDT 3020: sensors and measurement devices by Micro-Epsilon for inductive (eddy current).
Download the datasheet (opens in a new tab) This series on the Micro-Epsilon site (opens in a new tab)
Shared technical specifications for the series
Properties every model in the series has. What differs is in the models table below.
Range across models
The span covered by the models of the series together — not the range of each model.
| Measuring range | 1–3 mm |
|---|---|
| Linearity | 2–8 µm |
| Minimum target diameter | 18–36 mm |
| Start of measuring range | 0.1–0.3 mm |
| Resolution | 0.04–0.12 µm |
| Operating temperature | -20–200 °C |
| Storage temperature | -20–200 °C |
| End of measuring range | 1.1–3.3 mm |
| Working distance | 0.1–3.3 mm |
| Accuracy | 2–6 µm |
Models in the series
One column per model: what differs between the models of the series.
| Parameter | ES-U1-T | ES-U3-T |
|---|---|---|
| Interfaces | EtherCAT | Ethernet |
| Measuring range | 1 mm | 3 mm |
| Number of measurement channels | 1 | 1 |
| Protection class (DIN EN 60529) | IP67 | IP67 |
| Linearity | 2 µm | 8 µm |
| Minimum target diameter | 18 mm | 36 mm |
| Start of measuring range | 0.1 mm | 0.3 mm |
| Resolution | 0.04 µm | 0.12 µm |
| Operating temperature | -20–180 °C | -20–200 °C |
| Storage temperature | -20–180 °C | -20–200 °C |
| Sensor shielding | "unshielded" | "unshielded" |
| Cable length | 3 m | 3 m |
| End of measuring range | 1.1 mm | 3.3 mm |
| Sampling rate reference | DT3020: 80 kSamples/s analog output; 10 kSamples/s digital output; adjustable bandwidth up to 5 kHz | DT3020: 80 kSamples/s analog output; 10 kSamples/s digital output; adjustable bandwidth up to 5 kHz |
| Sensor mounting | "Clamp mounting; no thread" | "Clamp mounting; no thread" |
| Outputs and interfaces | 4-20mA | Digital I/O |
| Technical specification details | 0-1 mm model-level measuring interval | 0-3 mm model-level measuring interval |
| Accuracy (% FSO) | 0.2 % | 0.2 % |
| Working distance | 0.1–1.1 mm | 0.3–3.3 mm |
| Linearity reference | Official ES-U1-T sensor linearity; the DT3020 controller adds <±0.2% FSO after 3-point linearization. | Official ES-U3-T sensor linearity; the DT3020 controller adds <±0.2% FSO after 3-point linearization. |
| Contact | Non-contact | Non-contact |
| Accuracy | 2 µm | 6 µm |
| ADC sampling rate | 80000 samples/s | 80000 samples/s |
| Status | Active | Active |
| Datasheet | PDF — ES-U1-T (opens in a new tab) | PDF — ES-U3-T (opens in a new tab) |
The industries we serve
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Aerospace
- Aircraft door-lock position detection
- Airlines & Aerospace Our balancing machines and moment weighing scales for aerospace drives ensure maximum precision, ease of use, and modular flexibility delivering reliability and performance without compromise contributing to your economic success.
- Automatic balancing machines Automatic balancing machines from Schenck are advanced solutions for precise balancing of rotating components in automated production processes. We offer systems and stations for balancing crankshafts, wheels and tires, turbochargers, electric armatures, drives, axle drive units, torque converters, drive shafts, disc-shaped rotors, as well as fans. Our systems increase productivity, ensure consistent quality, and are tailored to the needs of the automotive, energy, and industrial sectors.
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Medical industry
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Environment
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Electric motor manufacturing
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Food industry
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Automotive industry
- Airlines & Aerospace Our balancing machines and moment weighing scales for aerospace drives ensure maximum precision, ease of use, and modular flexibility delivering reliability and performance without compromise contributing to your economic success.
- Automatic balancing machines Automatic balancing machines from Schenck are advanced solutions for precise balancing of rotating components in automated production processes. We offer systems and stations for balancing crankshafts, wheels and tires, turbochargers, electric armatures, drives, axle drive units, torque converters, drive shafts, disc-shaped rotors, as well as fans. Our systems increase productivity, ensure consistent quality, and are tailored to the needs of the automotive, energy, and industrial sectors.
- Axle Drives With our balancing machines for front and rear axle transmissions, the measured unbalance is corrected by drilling into the drive flanges of the transmissions (welding optional). We support you with our interdisciplinary expertise in the production of front and rear axle transmissions from the initial idea to the design stage through to series production.
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Industrial automation
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Plastics
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Optics
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3D printing
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Battery manufacturing
Frequently asked questions
Answers to the most common questions about our products and services
Digital update is 10 kHz and analog update 80 kHz. Frequency response is adjustable up to 5 kHz; update rate is not bandwidth.
The <±0.2% FSO specification requires three-point linearization. Match linearization to the head, target material and installation.
No. Specifications distinguish 0.004% FSO at 20 Hz from 0.01% FSO at 5 kHz. Use the appropriate filter and dynamic conditions.
Controller operation is −20 to 105°C. Heads are selected separately; up to 200°C applies to particular heads, not every complete system.
RS485 is onboard. USB, Ethernet and industrial protocols need the appropriate interface module, plus matching power/signal and sensor cables.
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