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Non-contacting magnetic sensor for extreme environments

28 October 2016

Contelec’s latest Vert-X 48E series encoder is aimed at precision angle measurement on agricultural, mining or construction equipment, and other applications where extreme environment 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 for an effectively limitless life and the capability for continuous rotation. 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..10V, and 4…20 mA as well as single and redundant CANopen versions. The wide ranging supply voltage of 8…35V DC will suit a wide variety of position feedback tasks. 

With simple installation between rotating and stationary components in steering, drive chain, guide or other transmission mechanics, the sensor works with a generous 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 equally liberal 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 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 10° steps up to 360°, settable midpoint, start and end point, gradient and more. One metre cable connection is standard with customised lengths and special connector options available on request.

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