EFRRSB40K5
Features l l l l
High output S.P.L.: 130 d B min. (Ex. EFRTGB38K1) High sensitivity: Ð45 d B min. (Ex. EFRRUB40K5) Excellent temperature and humidity durability Small in size n Remended Applications n Precautions for Safety (See Page 231) n Explanation of Part Numbers
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Ultrasonic wave transmitter and receiver for; l Proximity switch for burglar alarm system, parking meter and automatic door opener l Remote control equipment for such as air conditioner and garage door opener l Detection of objects. l Back alarm system for automobiles and distance meter. t e
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Ultrasonic Ceramic Sensors n Ratings and Characteristics
Type Part No. Item Nominal Frequency Sensitivity Sound Pressure Level Bandwidth Application Maximum Input Voltage Operating Temperature Range (Vrms) (ûC) Type Part No. Item Nominal Frequency Sensitivity Sound Pressure Level Bandwidth Application Maximum Input Voltage Operating...
