Geartooth sensor is a rugged sort

A Hamlin Electronics Europe product story
Edited by the Engineeringtalk editorial team Jan 27, 2004

A new high-performance digital-output Hall-effect geartooth sensor incorporates internal electronic protection which makes it ideal for use in harsh industrial and automotive applications.

A new high-performance digital-output Hall-effect geartooth sensor incorporates internal electronic protection which, along with its robust construction, makes it ideal for use in harsh industrial and automotive applications.

World leading position and movement sensor solutions company Hamlin designed its 55075 geartooth sensor using solid-state Hall-effect technology.

It is suitable for a broad range of speed sensing applications including rotary position and camshaft sensing as well as linear and rotary encoding.

The sensor has a self-adjusting magnetic range and will detect ferrous teeth on rotating gears used, for example, on power transmissions and conveyors.

Direction of rotation is not critical.

It is capable of high-speed operation, up to 15kHz, as well as zero speed detection and will provide an almost immeasurable number of operations even when installed in the harshest environments.

Peak detection, peak hold and level compensation are all performed digitally.

The Hall signal that corresponds to the last tooth or valley is remembered indefinitely and without the drift which can occur with analogue technologies.

The 55075 has built in short-circuit and reverse-voltage protection.

It is manufactured from stainless steel and has a M12 threaded barrel for mounting.

Also incorporated in the device is a sophisticated on-chip 10bit A/D convertor and it has no chopper delay.

The sensor has a digital switch, three-wire voltage output and a range of cable lengths can be specified from 100 to 1000mm.

These can be terminated with a selection of connector types.

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