Magnetic sensor aimed at extreme environments

Posted By : Joe Bush
Magnetic sensor aimed at extreme environments

Designed for precision angle measurement, Contelec’s Vert-X 48E series non-contacting magnetic encoder is aimed at applications in agriculture, mining or construction equipment, and other applications where extreme environmental conditions exist and accurate control is required for steering, guiding or positioning etc.

Available with full product and application engineering support from Variohm EuroSensor, the new sensor is a two-part design with no mechanical bearing or joint between the magnet and sensor components.

The 48mm diameter and 17mm high sensor housing is fully sealed to IP68/IP69K and a choice of magnet designs allows maximum installation flexibility. The Vert-X 48E has resolution options of 12- or 14-bits with a choice of single and redundant output types for 0..10 V, and 4…20mA as well as single and redundant CANopen versions. The supply voltage of 8…35VDC will suit various position feedback tasks.

With simple installation between rotating and stationary components in steering, drive chain, guide or other transmission mechanics, the sensor works with an air-gap of up to 13mm depending on the sensor type and an optional ‘detection of magnetic loss’ feature will signal a system shut-down in case of the magnetic actuator moving out of a valid air-gap range.

The axial alignment allows up to 13mm between the sensor and magnet rotation axes as well as a good tolerance of tilting and radial misalignment. These factors combine with outstanding resilience to humidity, damp and dust as well as EN 60068-2-6 shock and EN 60068-2-27 vibration rated mechanical specifications, for exceptional levels of reliability and endurance.

Other options for the range include selectable electrical angle in ten degree steps up to 360 degrees, settable mid-point, start and end point and gradient. One metre cable connection is standard with customised lengths and special connector options available on request.

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