EFRRSB40K5

Ultrasonic Ceramic Sensors (Ultrasonic Ceramic Transducers) Type: U/H/S/Q/G w w w .D a S a t e e h U 4 t .c om 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. n Features l l l l High output S.P.L.: 130 dB min. (Ex. EFRTGB38K1) High sensitivity: Ð45 dB min. (Ex. EFRRUB40K5) Excellent temperature and humidity durability Small in size n Recommended Applications n Precautions for Safety (See Page 231) n Explanation of Part Numbers E F R w w w .D t a S a e h 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 U 4 .c m o w w w .D a t a e h S 4 t e U . m o c 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 Temperature Range (Vrms) (ûC) Type Part No. Item Nominal Frequency Sensitivity Sound Pressure Level Bandwidth Application Maximum Input Voltage Operating Temperature Range ] ...