328ST160 Pro-Wave Electronics

Air Ultrasonic Ceramic Transducers 328ST/R160 Dimensions: dimensions are in mm Impedance/Phase Angle vs. Frequency 328SR160 Impedance 328SR160 Phase 328ST160 Impedance 328ST160 Phase Specification 100000 90 75 60 45 328ST160 10000 30 15 0 328SR160 -15 1000 -30 -45 Impedance (Ohm) -60 Center Frequency 32.8 1.0Khz Phase Angle (Degree) -75 100 -90 Bandwidth 328ST160 2.5Khz 28 29 30 31 32 33 34 35 36 37 38 Frequency (Khz) 328SR160 2.5Khz Sensitivity/Sound Pressure Level Transmitting Sound Pressure Level bar -50 130 -55 125 Receiving Sensitivity -60 120 -65 115 bar -70 110 -75 105 SPL (dB) Capacitance at 1Khz 20% Sensitivity (dB) -80 100 -85 95 Max. Driving Voltage (cont.) 20 -90 90 28 29 30 31 32 33 34 35 36 37 38 Total Beam Angle 100 Frequency (Khz) Operation Temperature C Beam Angle: Storage Temperature C C 0 0 -6 -12 -18 -24 -30 1 328ST/R160 180 150 210 Aluminum Housing 120 240 90 270 Model available: 60 300 30 330 upon request. Closer frequency tolerance can be supplied All specification taken typical at 25 -40 to 85 Tested at 32.8Khz frequency -30 to 80 typical -6dB Vrms 2400 pF at 32.8Khz 0dB = 1 volt/ -67dB min. per 10Vrms at 30cm at 32.8Khz 0dB re 0.0002 Tested under 10Vrms 30cm 115dB min. (-6dB) Receiver Transmitter Tested under 1 Vrms Oscillation LevelAir Ultrasonic Ceramic Transducers 328ST/R160 328SR160 Receiver 328ST160 Transmitter Sensitivity Variation vs. Loaded Resistor SPL Variation vs. Driving Voltage SPL (dB) Sensitivity (dB) 3.9K 0 2 4 6 8 Vrms Center Frequency Shift vs. Loaded Resistor Center Frequency Shift vs. Driving Voltage 5.0 0.0 4.0 -0.5 -1.0 3.0 -1.5 2.0 -2.0 1.0 -2.5 0.0 -3.0 -3.5 -4.0 Fc Variation % Fc Variation % -4.5 -5.0 -5.5 -6.0 1K 3.9K 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 Sensitivity Variation vs. Temperature SPL Variation vs. Temperature SPL (dB) Sensitivity (dB) 0 0 Center Frequency Shift vs. Temperature Center Frequency Shift vs. Temperature 5.0 5.0 4.0 4.0 3.0 3.0 2.0 2.0 1.0 1.0 0.0 0.0 Fc Variation % Fc Variation % 0 0 Temperature (Degree C) Temperature (Degree C) 100 90 80 70 60 50 40 30 20 10 -10 -20 -30 -40 100 90 80 70 60 50 40 30 20 10 -10 -20 -30 -40 -5.0 -5.0 -4.0 -4.0 -3.0 -3.0 -2.0 -2.0 -1.0 -1.0 Temperature (Degree C) Temperature (Degree C) 100 90 80 70 60 50 40 30 20 10 -10 -20 -30 -40 100 90 80 70 60 50 40 30 20 10 -10 -20 -30 -40 90 -80 95 -75 100 -70 105 -65 110 -60 115 -55 120 -50 125 -45 130 -40 Vrms Loaded Resistor (Ohm) 390K 100K 39K 10K -5.0 -4.0 -3.0 -2.0 -1.0 Loaded Resistor (Ohm) 30 28 26 24 22 20 18 16 14 12 10 390K 100K 39K 10K 1K 90 -80 95 -75 100 -70 105 -65 110 -60 115 -55 120 -50 125 -45 130 -40