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Turck CMMT magnetic field and temperature sensor

Movement and rotation detection without line of sight
September 29, 2026 by
Ričards Sleņģis
Turck CMMT measures magnetic field changes on three axes, calculates their vector sum and measures temperature. The sensor detects movement, rotation and changes in magnetic components without contact, including where optical sensors have no line of sight.


3
Axes plus vector sum

5 µT
Sensitivity

2
Independent switching outputs



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Three-axis magnetic field measurement

Non-contact condition monitoring
Three-axis measurement detects direction of movement, rotation and the presence of ferrous metal, even without line of sight.

Vector sum for diagnostics
The vector sum combines magnetic field changes into one diagnostic value that is easy to use in the control system.

TAS Magnetic Field Monitor
The app shows live data in a web browser via any Turck IO-Link master, with no additional software, and simplifies parameter setup and diagnostics.

Sensitivity down to 5 µT
Even very small magnetic field changes become visible. The earth's magnetic field can be masked through parameter settings.

CMVT models

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