OUTLINEDIMENSIONS(UNIT:mm) CHARACTERISTICSPartnumberTCT10K40T-1TCT10K40R-1ConstructionOpenstructuretypeOpenstructuretypeUsingMethodTransmitterReceiverCenterfrequency40.0 1.0KHz40.0 1.0KHzSoundpressurelevel100dBmin.----------------Sensitivity-----------------70dBmin.Capacitance1800Pf 20%1800Pf 20%Maximuminputvoltage20Vrms20VrmsDirectivity80 15 (-6dB)80 15 (-6dB)Operatingtemperature-20℃~+70℃-20℃~+70℃StorageTemperature-40℃~+85℃-40℃~+85℃