Murata BS05 Alternative Magnetic Pattern Recognition Sensor
Murata BS05 Alternative Magnetic Pattern Recognition Sensor

Price:   $259.00

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Murata BS05 Alternative magnetic pattern recognition sensor consists of Tunneling Magnetoresistance  sensing elements, a high-quality magnet, a robust plastic base with outstanding mechanical strength, and a durable non-magnetic stainless steel cover. The typical structure is shown in Fig. 1.

Features and Benefits:

Murata BS05 Alternative magnetic pattern recognition sensor is a magnetic signal reader head for use in detecting and recognizing the magnetic properties of paper bills, bank notes, and securities documents. Designed with outstanding weak field detection capability of MDT’s TMR technology, along with a customized hollow-shaped bias magnet, the Murata BS05 Alternative features high sensitivity, high signal to noise ratio, and wide air-gap tolerance, and it is not susceptible to tilt or misalignment in installation or shock and vibration along the vertical direction (Z-axis) during operation.
The Murata BS05 Alternative sensor series applies high mechanical strength plastic, and solid, hard-wearing non-magnetic stainless steel materials, and it achieves a compact, miniaturized, light-weight and robust structural design. It can significantly simplify the design of structural components of financial machinery and measurement equipment, and it can release installation and maintenance procedures from complicated requirements.
Murata BS05 Alternative sensor series uses a single base for multiple sets of TMR sensing elements. The custom designed, integrated packaging and testing process ensures that the multiple sets of TMR sensing elements can cover the designated detection area seamlessly.

Typical Applications:

Bill counter and validator
Bill sorter
Bill reader and validator in automated vending machines
Reader head of magnetic card reader

Schematic and Pin Configuration:

Outline Drawing and Dimensions (mm):

(1) The sensitivity of the Murata BS05 Alternative pattern recognition sensor is measured by a method using a current conducting wire, which is widely adopted in testing of financial machinery and measurement equipment. A 0.1mm metal conducting wire is oriented orthogonally vs. the sensing direction of the reader head, and the wire carries an AC current of 100mA at 60Hz. The reader head is placed above the conducting wire at a distance of 0.1mm, which is the typical thickness of an RMB paper bill. When the reader head moves along its sensing direction, the sensitivity is equal to the peak-to-peak voltage output of the detected AC signal amplified by 750 times. Since the TMR pattern recognition sensor is sensitive to the direction that is parallel to the detection surface, while the conducting wire can only produce a much weaker magnetic field in the parallel direction than in the perpendicular direction, it is recommended that users shall verify the TMR reader head
sensor using the bill counter or bill validator under real operating conditions. In general, the high sensitivity of the TMR pattern recognition sensor ensures the stable output from the magnetized code words and weak magnetic patterns on an RMB paper bill with excellent air-gap tolerance.
(2) The noise is measured by the peak-to-peak voltage signal output of the reader head sensor after applying an amplifying circuit with 1kHz bandwidth and a gain of 10000.

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