400ER18S

400ET/R18S Air Ultrasonic Ceramic Transducers Impedance/Phase Angle vs. Frequency Tested under 1Vrms Oscillation Level 400ET18S 100000 90 50 Impedance (Ohm) 10000 30 10 -10 1000 -30 -50 Phase Angle (Degree) 70 -70 100 -90 35 36 37 38 39 40 41 Frequency (KHz) 42 43 44 45 400ER18S 100000 Transmitter Receiver 40.01.0KHz 400ET18S 1.5KHz Bandwidth (-6dB) 400ER18S 1.5KHz Transmitting Sound Pressure Level 110dB min. at 40.0KHz; 0dB re 0.0002bar per 10Vrms at 30cm Receiving Sensitivity -70dB min. 70 50 10000 -10 1000 -70 100 36 37 38 39 40 41 Frequency (KHz) 42 43 44 45 Sensitivity/Sound Pressure Level Tested under 10Vrms @30cm Model available: -50 125 -55 120 -60 115 -65 110 -70 105 -75 100 -80 95 -85 90 -90 1 400ET/R18S Dimensions: dimensions are in mm 85 35 Aluminum Housing SPL (dB) All specification taken typical at 25C Closer frequency tolerance can be supplied upon request. -90 35 Sensitivity (dB) 2900 pF 15Vrms 35 typical -30 to 70C -40 to 80C -30 -50 at 40.0KHz 0dB = 1 volt/bar Capacitance at 1KHz 20% Max. Driving Voltage (cont.) Total Beam Angle ( -6dB Main Beam ) Operation Temperature Storage Temperature 30 10 Impedance (Ohm) 400ET18S 400ER18S Center Frequency 90 Phase Angle (Degree) Specification 36 37 38 39 40 41 42 43 44 45 Frequency (KHz) Beam Angle Tested at 40.0Khz frequency 0 dB -3 -6 -9 -12 -90 -75 -60 -45 -30 -15 0 15 Angle (Degree) 30 45 60 S. Square Enterprise Company Limited Pro-Wave Electronics Corporation Http://www.pro-wave.com.tw ; E-mail: sales@pro-wave.com.tw ; Tel: 886-2-22465101 ; Fax: 886-2-22465105 1 of 2 75 90 400ET/R18S Air Ultrasonic Ceramic Transducers 400ET180 Transmitter Sensitivity Variation vs. Loaded Resistor SPL Variation vs. Driving Voltage -40 130 -45 125 -50 120 -55 115 SPL (dB) Sensitivity (dB) 400ER180 Receiver -60 -65 100 -75 95 90 1K 3.9K 10K 39K Loaded Resistor (Ohm) 100K 390K 0 2 4 6 8 10 12 14 16 Vrms 18 20 22 24 26 28 30 Center Frequency Shift vs. Driving Voltage 5.0% 5.0% 4.0% 4.0% 3.0% 3.0% 2.0% 2.0% Fc Variation % Fc Variation % Center Frequency Shift vs. Loaded Resistor 1.0% 0.0% -1.0% -2.0% -3.0% 1.0% 0.0% -1.0% -2.0% -3.0% -4.0% -4.0% -5.0% -5.0% 1K 3.9K 10K 39K Loaded Resistor (Ohm) 100K 390K Sensitivity Variation vs. Temperature 0 2 4 6 8 10 12 14 16 Vrms 18 20 22 24 26 28 30 SPL Variation vs. Temperature -40 130 -45 125 -50 120 -55 115 SPL (dB) Sensitivity (dB) 105 -70 -80 -60 -65 110 105 -70 100 -75 95 -80 90 -30° -20° -10° 0° 10° 20° 30° 40° Temperature (°C) 50° 60° 70° 80° Center Frequency Shift vs. Temperature -30° -20° -10° 0° 10° 20° 30° 40° Temperature (°C) 50° 60° 70° 80° 70° 80° Center Frequency Shift vs. Temperature 5.0% 5.0% 4.0% 4.0% 3.0% 3.0% 2.0% 2.0% Fc Variation % Fc Variation % 110 1.0% 0.0% -1.0% -2.0% -3.0% -4.0% 1.0% 0.0% -1.0% -2.0% -3.0% -4.0% -5.0% -5.0% -30° -20° -10° 0° 10° 20° 30° Temperature (°C) 40° 50° 60° 70° 80° -30° -20° -10° 0° 10° 20° 30° Temperature (°C) 40° 50° 60° S. Square Enterprise Company Limited Pro-Wave Electronics Corporation Http://www.pro-wave.com.tw ; E-mail: sales@pro-wave.com.tw ; Tel: 886-2-22465101 ; Fax: 886-2-22465105 2 of 2