Air Ultrasonic Ceramic Receiver, -70dB Sensitivity, 40kHz Centre Frequency, 1.5kHz Bandwidth, 115dB Sound Pressure, 15Vrms Operating Voltage, -30°C to +80°C, A Pair of Standard 18mm Diameter Transmitter and Receiver 40kHz Ultrasonic Transducers Sealed for External Use, Supplied in a Metal Housing and Sealed in with a Resin to Protect from the Environment, Rugged and Moisture Proof Transducers Feature High Sensitivity and Sound Pressure Level, Excellent Temperature and Humidity Durability, Suitable for a Wide Range
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