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eddyNCDT ES sensor heads Inductive (eddy current)

eddyNCDT ES sensor heads: sensors and measurement devices by Micro-Epsilon for inductive (eddy current).

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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.

Range across the models of eddyNCDT ES sensor heads
Resolution 0.04–0.32 µm
Start of measuring range 0.1–0.8 mm
Minimum target diameter 12–72 mm
Operating temperature -20–200 °C
End of measuring range 1.1–8.8 mm
Accuracy 1–16 µm
Working distance 0.1–8.8 mm
Weight 0.0024–0.062 kg
Storage temperature -20–200 °C
Measuring range 1–8 mm
Linearity 2–16 µm
ADC sampling rate 80000–200000 samples/s
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Models in the series

One column per model: what differs between the models of the series.

Models of eddyNCDT ES sensor heads compared by parameter
Parameter ES-S1 eli-m-35f10df59aa3d5626c810881 ES-S2 eli-m-dfbcd2d42e8ef3c05864d0cc ES-S4 eli-m-1c51ce54617ebe076578ecb6 ES-U1 eli-m-25b1d4ed846da8a7d4f494a8 ES-U2 eli-m-5d0e2093e520fc4d48e34479 ES-U3 eli-m-b9a7e7cf8b0719bc5be1c8e5 ES-U6 eli-m-551942675c5984eb965f783a ES-U8 eli-m-ecfe8d6d5e2bffe653ec3c6e
quantity_specification 0-1 mm model-level measuring interval 0-2 mm model-level measuring interval 0-4 mm model-level measuring interval 0-1 mm model-level measuring interval 0-2 mm model-level measuring interval 0-3 mm model-level measuring interval 0-6 mm model-level measuring interval 0-8 mm model-level measuring interval
Protection class (DIN EN 60529) ip67 ip68 ip68 ip67 ip67 ip68 ip68 ip67
Interfaces usb usb ethernet ethercat profinet ethernet ethercat ethernet
interface_specification Digital I/O RS422 / RS485 4-20mA Digital I/O Digital I/O Digital I/O 4-20mA Analog 0-10V
Number of measurement channels 1 1 1 1 1 1 1 1
source_sampling_rate_basis DT3060: 200 kSamples/s analog output; 50 kSamples/s digital output; 20 kHz bandwidth DT3020: 80 kSamples/s analog output; 10 kSamples/s digital output; adjustable bandwidth up to 5 kHz DT3061: 200 kSamples/s analog output; 50 kSamples/s digital output; 20 kHz bandwidth DT3061: 200 kSamples/s analog output; 50 kSamples/s digital output; 20 kHz bandwidth DT3060: 200 kSamples/s analog output; 50 kSamples/s digital output; 20 kHz bandwidth 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 DT3061: 200 kSamples/s analog output; 50 kSamples/s digital output; 20 kHz bandwidth
Resolution 0.04 µm 0.08 µm 0.16 µm 0.04 µm 0.08 µm 0.12 µm 0.24 µm 0.32 µm
Accuracy (% FSO) 0.2 % 0.2 % 0.2 % 0.2 % 0.2 % 0.2 % 0.2 % 0.2 %
Start of measuring range 0.1 mm 0.2 mm 0.4 mm 0.1 mm 0.2 mm 0.3 mm 0.6 mm 0.8 mm
Minimum target diameter 12 mm 18 mm 27 mm 18 mm 24 mm 36 mm 54 mm 72 mm
Cable length 3 m 3 m 3 m 3 m 3 m 3 m 3 m 3 m
Operating temperature -20–200 °C -20–200 °C -20–200 °C -20–180 °C -20–200 °C -20–200 °C -20–200 °C -20–200 °C
End of measuring range 1.1 mm 2.2 mm 4.4 mm 1.1 mm 2.2 mm 3.3 mm 6.6 mm 8.800000000000001 mm
Accuracy 1 µm 2 µm 4 µm 1 µm 2 µm 3 µm 6 µm 8 µm
source_sensor_shielding "shielded" "shielded" "shielded" "unshielded" "unshielded" "unshielded" "unshielded" "unshielded"
Working distance 0.1–1.1 mm 0.2–2.2 mm 0.4–4.4 mm 0.1–1.1 mm 0.2–2.2 mm 0.3–3.3 mm 0.6–6.6 mm 0.8–8.800000000000001 mm
source_sensor_mounting "Screw connection (M8)" "Screw connection (M12)" "Screw connection (M18)" "Screw connection (M6)" "Screw connection (M8)" "Screw connection (M12)" "Screw connection (M18)" "Screw connection (M24)"
Weight 0.0024 kg 0.011 kg 0.03 kg 0.0024 kg 0.0047 kg 0.012 kg 0.033 kg 0.062 kg
Storage temperature -20–200 °C -20–200 °C -20–200 °C -20–180 °C -20–200 °C -20–200 °C -20–200 °C -20–200 °C
Measuring range 1 mm 2 mm 4 mm 1 mm 2 mm 3 mm 6 mm 8 mm
Linearity 2 µm 4 µm 8 µm 2 µm 4 µm 6 µm 12 µm 16 µm
source_linearity_basis Official ES-S1 sensor linearity; the DT3020 controller adds <±0.2% FSO after 3-point linearization. Official ES-S2 sensor linearity; the DT3020 controller adds <±0.2% FSO after 3-point linearization. Official ES-S4 sensor linearity; the DT3020 controller adds <±0.2% FSO after 3-point linearization. Official ES-U1 sensor linearity; the DT3020 controller adds <±0.2% FSO after 3-point linearization. Official ES-U2 sensor linearity; the DT3020 controller adds <±0.2% FSO after 3-point linearization. Official ES-U3 sensor linearity; the DT3020 controller adds <±0.2% FSO after 3-point linearization. Official ES-U6 sensor linearity; the DT3020 controller adds <±0.2% FSO after 3-point linearization. Official ES-U8 sensor linearity; the DT3020 controller adds <±0.2% FSO after 3-point linearization.
Contact Non-contact Non-contact Non-contact Non-contact Non-contact Non-contact Non-contact Non-contact
ADC sampling rate 200000 samples/s 80000 samples/s 80000 samples/s 200000 samples/s 200000 samples/s 200000 samples/s 200000 samples/s 200000 samples/s
Status Active Active Active Active Active Active Active Active

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Frequently asked questions

Answers to the most common questions about our products and services

ES denotes a shielded head. Shielding affects the field and installation requirements; model-specific clearances and specifications still apply.

The principle requires an electrically conductive target. Match calibration to the metal; a steel characteristic does not automatically apply to aluminum.

Use the model’s Start of measuring range. Net span excludes the offset; interval end equals range start plus net span.

Not fully. Table footnotes identify controller, bandwidth and sometimes mid-range position. Check the head/controller combination under the stated conditions.

No. ES-S04, for example, combines front-side pressure resistance with IP50. Pressure, temperature and ingress protection are separate requirements.

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