400SR120 Pro-Wave Electronics

Air Ultrasonic Ceramic Transducers 400ST/R120 Dimensions: dimensions are in mm Impedance/Phase Angle vs. Frequency 400SR120 Impedance 400SR120 Phase 400ST120 Impedance Specification 400ST120 Phase 400ST120 100000 90.0 75.0 60.0 400SR120 45.0 10000 30.0 15.0 Center Frequency 40.0 1.0Khz 0.0 -15.0 1000 -30.0 Bandwidth 400ST120 2.0Khz -45.0 Impedance (Ohm) -60.0 Phase Angle (Degree) -75.0 400SR120 2.0Khz 100 -90.0 35 36 37 38 39 40 41 42 43 44 45 Transmitting Sound Pressure Frequency (Khz) Level Sensitivity/Sound Pressure Level bar Receiving Sensitivity -50 bar -55 -60 Capacitance at 1Khz 20% -65 -70 Max. Driving Voltage (cont.) 20 -75 SPL (dB) Sensitivity (dB) -80 Total Beam Angle 85 -85 Operation Temperature -90 C Storage Temperature C Beam Angle: C 0 0 -6 -12 -18 -24 -30 1 400ST/R120 2 400ST/R12B 180 150 210 120 240 Black Al. Housing Aluminum Housing 90 270 60 300 30 330 Model available: upon request. Closer frequency tolerance can be supplied All specification taken typical at 25 Tested at 40.0Khz frequency -40 to 85 Frequency (Khz) 45 44 43 42 41 40 39 38 37 36 35 -30 to 80 90 95 typical -6dB 100 105 Vrms 110 115 120 2400 pF 125 at 40.0Khz 0dB = 1 volt/ 130 -67dB min. per 10Vrms at 30cm Tested under 10Vrms 30cm at 40.0Khz 0dB re 0.0002 115dB min. (-6dB) Receiver Transmitter Tested under 1 Vrms Oscillation LevelAir Ultrasonic Ceramic Transducers 400ST/R120 400SR120 Receiver 400ST120 Transmitter Sensitivity Variation vs. Loaded Resistor SPL Variation vs. Driving Voltage 125 120 115 110 105 100 SPL (dB) Sensitivity (dB) 95 90 85 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 1K 3.9K Center Frequency Shift vs. Driving Voltage Center Frequency Shift vs. Loaded Resistor 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 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 1K 3.9K SPL Variation vs. Temperature Sensitivity 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 Loaded Resistor (Ohm) Vrms 390K 100K 39K 10K -5.0 -4.0 -3.0 -2.0 -1.0 Loaded Resistor (Ohm) Vrms 390K 100K 39K 10K -80 -75 -70 -65 -60 -55 -50 -45 -40