3 December, 2020

No batteries or gears on improved contactless sensor

25 October, 2016

Now available from Variohm EuroSensor, Contelec’s recently launched Vert-X 37MT Hall Effect encoder combines a 16-bit single-turn angle resolution with 16-bit multi-turn count (65536 turns) for unconstrained position feedback.


Unlike conventional single-turn + multi-turn designs, the Swiss sensor specialist has employed a novel magnetic field measurement technique where no gearing is used or battery required – with the number of turns counted and saved in non-volatile memory that is powered by stored energy from shaft rotation. In this way absolute position is not lost during power down and is immediately available on power-up.

The 24V DC CANopen interfaced encoder’s impressive specifications include independent linearity of +/- 0.1% (360deg) with hysteresis to 0.1deg and maximum repeatability to 0.1deg. The Vert-X 37MT’s speed capability of 3000 rpm speed capability suits servo motor feedback, and with 360 million minimum movements specified, long life is assured.

Aimed at heavy duty applications such as construction machinery or agricultural equipment, the highly durable IP68 sealed design includes duplex bearings and all stainless steel external hardware to provide maximum resilience to adverse environmental conditions. Its industry standard DS-406 CANopen device profile, contactless design, and high axial & radial load capability all contribute to straightforward installation, long working life and high-reliability position sensing.

The encoder’s nominal housing dimensions are 55mm long x 36.5 mm diameter. The standard version includes a size 13 servo mount with a 10 mm diameter slotted and flattened D-shaft and M12-m connector interfacing. Alternative multi-turn options are 2, 8 or 12 turns, or custom configured for the application.

About Variohm EuroSensor

Variohm EuroSensor is a manufacturer, distributor and supply chain partner providing complete sales and application support across a comprehensive range of position, force, pressure, load, and temperature sensor technologies – for demanding measurement applications across industrial sectors including construction, agriculture, motorsports and research.

www.variohm.com




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