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ds822 hazardous-area 2 mm eddy-current displacement system Inductive (eddy current)

ds822 hazardous-area 2 mm eddy-current displacement system: sensors and measurement devices by Brüel & Kjær Vibro for inductive (eddy current).

Download the datasheet (opens in a new tab) This series on the Brüel & Kjær Vibro site (opens in a new tab)

Models in the series

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

Models of ds822 hazardous-area 2 mm eddy-current displacement system compared by parameter
Parameter ds822.mc101/1/x eli-m-734272680ac7f7621322bbef ds822.mc101/2/x eli-m-676804d3c236c1712c85d2ee ds822.mc101/3/x eli-m-c55311186ce0a8ee556091d4 ds822.mc101/4/x eli-m-80a45c1df4f25f29071f24b2
Frequency response 0–10000 Hz 0–10000 Hz 0–10000 Hz 0–10000 Hz
Operating temperature -55–180 °C -55–180 °C -55–180 °C -55–180 °C
Contact Non-contact Non-contact Non-contact Non-contact
Status Active Active Active Active
Datasheet PDF — ds822.mc101/1/x (opens in a new tab) PDF — ds822.mc101/2/x (opens in a new tab) PDF — ds822.mc101/3/x (opens in a new tab) PDF — ds822.mc101/4/x (opens in a new tab)

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Frequently asked questions

Answers to the most common questions about our products and services

It is a net linear displacement span of 2 mm at approximately 0.4–2.4 mm target distance from the probe. It uses eddy-current measurement against conductive material, with DC to 10 kHz at −3 dB.

It requires a probe with integrated cable and a matching od11x driver; a separate connection cable is added according to system length. The blue colour code identifies the range family, but component and configuration codes must also match.

Documented nominal system lengths are 5 or 10 m. Select probe cable and connection cable together for the matching total system length; do not add a generic cable without checking the configuration.

No. Sensitivity error and deviation from the reference line are specified by system length and temperature. Calibration data refer to 42CrMo4, so also check the actual shaft material.

Select the complete chain under the Ex certificate and temperature class. Sensor and cable limits differ from oscillator limits; the general probe temperature range does not approve the whole system for that range.

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