Sensors & Transducers


Ferromagnetic sensors deliver most reliable vehicle detection

March 2004 Sensors & Transducers

Banner Engineering is offering its M-GAGE S18M vehicle detection sensor. Utilising Banner's patented use of magnetoresistive-based passive sensing technology, the M-GAGE S18M reliably detects 3-dimensional changes in the Earth's natural magnetic field when the presence of a large metal (ferromagnetic) object such as a car, truck or railcar is introduced - causing the sensor's outputs to switch. Unlike existing inductive loop technologies, this unique sensor features a completely self-contained design, functioning as the receiver and using the Earth's own magnetic field as its signal source. Sophisticated on-board technologies allow the M-GAGE S18M sensor to automatically 'learn' its own environment, determining ambient background characteristics and storing them in the sensor's on-board non-volatile memory.

"Banner's new M-GAGE sensor has reinvented vehicle detection sensing with an easy-to-install solution that delivers greater accuracy, repeatability and durability," said Scott Springer, Banner's manager for strategic market development. "The M-GAGE is ideal for vehicle sensing applications such as detection of a vehicle at a car wash entry/exit or at a fast food drive up kiosk, a tractor trailer at a loading dock or a forklift passing through an automatic overhead door, "Springer added. "Unlike traditional inductive loop sensing technologies, the M-GAGE has no external controller, installs easily above or below ground and offers long-term trouble free sensing."

With its completely self-contained design, the M-GAGE S18M makes sensor replacement, if necessary, quick and easy - with no disruption of traffic or damaging cuts to the roadway. Simple pushbutton programming makes setting up the M-GAGE S18M easy. Program commands can be entered through a pushbutton directly on the sensor or via a portable programming box when the sensor is mounted underground or is otherwise inaccessible.

The sensor is constructed of a durable ABS/polycarbonate blend moulded housing and operates in temperatures from -40 to +70°C and meets IP67 and NEMA 6P environmental ratings.



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