Mur|High frequency type ultrasonic sensor|MA300D1-1

 Mur|High frequency type ultrasonic sensor|MA300D1-1 High frequency type The frequency is 300KHｚ high frequency type. is exclusively used for double-feed detection. The frequency response is widened by proprietary technology. This allows the sensor to be relatively short distances, which can be used for double- detection MA300D1-1 Frequency: 300kHz Size: Φ10mm, t=7mm Features: High Application: Double feed detection Murata|MA300D1-1|High frequency type ultrasonic sensor (for double-page feed detection) To paper re-feed, accuracy and sensitivity of 1mm are necessary. Conventional bending oscillator, which has a frequency of 70kHz or higher, loses practicality, it uses thickness longitudinal vibration of high frequency piezoelectric ceramics. In this case, it is important to match the acoustic impedance of the piezoelectric ceramic with the. The acoustic impedance of the piezoelectric ceramic is very different from the acoustic impedance of the air, so the vibration radiation loss of the piezoelectric ceramic is large.Therefore, a special material is adhered to the piezoelectric ceramic as an acoustic integration layer, and the matching with the air is measured. This structure enables the ultrasonic of several hundred kHz. Murata|MA300D1-1 is specially used for double-page feed detection of scanners, printers, ATMs, etc It does not support other applications,

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