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EFRRUB40K5
Design, Specifications are subject to change without notice. Ask factory for technical specifications before purchase and/or use. Whenever a doubt about safety arises from this product, please inform us immediately for technical consultation without fail. D EF72 D Ultrasonic Ceramic Sensors (Ultrasonic Ceramic Transducers) Type: U/H/S/Q 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. ■ Features● High output S.P.L.: 112 dB min. (Ex. EFRTUB40K5)● High sensitivity: D45 dB min. (Ex. EFRRUB40K5)● Excellent temperature and humidity durability● Small in size● Applicable to multi-function remote control system because of its wide bandwidth Ultrasonic Ceramic Sensors ■ Explanation of Part Numbers E 1 F 2 R 3 4 5 6 7 8 9 10 11 Design No. Type U H S Q Standard Type Compact Type Temperature Stable Type Enclosed Type Product Code Ultrasonic Ceramic Sensors EFR Nominal Frequency Applications R T For reception use For transmission use Construction of Element B Bimorph Type 25K 40K 25 kHz 40 kHz ■ Recommended Applications Ultrasonic wave transmitter and receiver for;● Proximity switch for burglar alarm system, parking meter and automatic door opener● Remote control equipment for such as air conditioner and garage door opener Design, Specifications are subject to change without notice. Ask factory for technical specifications before purchase and/or use. Whenever a doubt about safety arises from this product, please inform us immediately for technical consultation without fail. D EF73 D ■ Ratings and Characteristics Ultrasonic Ceramic Sensors Type Standard Type Part No. EFRRUB40K5 EFRTUB40K5 EFRRUB25K5 EFRTUB25K5 Item Nominal Frequency (kHz) 40.0 40.0 25.0 25.0 Sensitivity (dB)? D45 min. ? D45 min. ? Sound Pressure Level (dB)?? ? 112 min. ? 105 min. Bandwidth (kHz) 4.0 min. 4.0 min. 2.5 min. 2.5 min. Application Receiver Transmitter Recei
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