EFRTQB40K5

wU(TwUypltewlrt: ra.UaDss/oHaon/tnSiaci/cSQCCh/Geeerraeamtm4iUcic.ScTeornamsnosrdsucers) Ultrasonic Ceramic Sensors Ultrasonic Ceramic Sensor consisting of a disc type/a bimorph type piezoelectric ceramic vibrator is a sensor for transmitting and receiving ultrasonic wave in the air. omn Features .cl High output S.P.L.: 130 dB min. (Ex. EFRTGB38K1) l High sensitivity: Ð45 dB min. (Ex. EFRRUB40K5) l Excellent temperature and humidity durability Ul Small in size t4n Precautions for Safety (See Page 231) een Explanation of Part Numbers n Recommended Applications 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. www.DataShE F R www.DataSheet4U.com Ultrasonic Ceramic Sensors n Ratings and Characteristics Type Part No. EFRRUB40K5 Item Nominal Freq...