400ST100

Telephone +44 (0)1493 602602 Fax +44 (0)1493 665111 Email:sales@midassensors.com www.midassensors.com Electra House, 32 Southtown Road Great Yarmouth, Norfolk NR31 0DU, England PROWAVE Air Ultrasonic Ceramic Transducers 400ST/R100 Dimensions: Dimensions are in mm Impedance/Phase Angle vs. Frequency marked with white spot Specification 400ST100 Transmitter 400SR100 Receiver Center Frequency 40.0±1.0Khz Bandwidth (-6dB) 400ST100 2.5Khz 400SR100 3.0Khz Impedance (Ohm) 100000 90.0 75.0 60.0 45.0 30.0 15.0 0.0 -15.0 -30.0 -45.0 -60.0 -75.0 -90.0 10000 1000 100 35 Transmitting Sound Pressure Level at 40.0Khz; 0dB re 0.0002µbar per 10Vrms at 30cm Receiving Sensitivity at 40.0Khz 0dB = 1 volt/µbar Capacitance at 1Khz ±20% 112dB min. Max. Driving Voltage (cont.) 10Vrms 38 39 40 41 42 43 44 45 Frequency (Khz) Sensitivity/Sound Pressure Level Storage Temperature -40 to 85°C 72° typical All specification taken typical at 25°C Closer frequency tolerance can be supplied upon request. -50 130 -55 125 -60 120 -65 115 -70 110 -75 105 -80 100 -85 95 -90 90 35 36 37 38 Aluminum Housing Black Al. Housing Plastic Housing 40 41 42 43 44 Frequency (Khz) Beam Angle: Tested at 40.0Khz frequency 330 300 270 Model available: 39 0 0 -6 -12 -18 -24 -30 30 60 90 240 120 210 180 150 45 SPL (dB) 1900 pF Sensitivity (dB) -70dB min. -30 to 80°C 400ST/R100 400ST/R10B 400ST/R10P 37 Tested under 10Vrms @30cm -6dB Total Beam Angle Operation Temperature 1 2 3 36 Phase Angle (Degree) Tested under 1Vrms Oscillation Level 400SR100 Impedance 400SR100 Phase 400ST100 Impedance 400ST100 Phase PROWAVE Air Ultrasonic Ceramic Transducers 400ST/R100 400ST100 Transmitter Sensitivity Variation vs. Loaded Resistor SPL Variation vs. Driving Voltage -40 125 -45 120 -50 115 SPL (dB) Sensitivity (dB) 400SR100 Receiver -55 -60 110 105 -70 100 95 -75 90 -65 85 -80 1K 3.9K 10K 39K 100K 0 390K 2 4 6 8 10 12 5.0 4.0 3.0 2.0 1.0 0.0 -1.0 -2.0 -3.0 -4.0 -5.0 3.9K 10K 39K 100K 0 390K 24 26 28 30 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 Vrms SPL Variation vs. Temperature Sensitivity Variation vs. Temperature -40 130 -45 125 -50 120 -55 115 SPL (dB) Sensitivity (dB) 20 22 0.0 -0.5 -1.0 -1.5 -2.0 -2.5 -3.0 -3.5 -4.0 -4.5 -5.0 -5.5 -6.0 Loaded Resistor (Ohm) -60 -65 110 105 -70 100 -75 95 -80 90 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 -40 -30 -20 -10 0 Temperature (Degree C) Fc Variation % 0 10 20 30 40 50 Temperature (Degree C) 20 30 40 50 60 70 80 90 100 Center Frequency Shift vs. Temperature 5.0 4.0 3.0 2.0 1.0 0.0 -1.0 -2.0 -3.0 -4.0 -5.0 -40 -30 -20 -10 10 Temperature (Degree C) Center Frequency Shift vs. Temperature Fc Variation % 18 Center Frequency Shift vs. Driving Voltage Fc Variation % Fc Variation % Center Frequency Shift vs. Loaded Resistor 1K 14 16 Vrms Loaded Resistor (Ohm) 60 70 80 90 100 5.0 4.0 3.0 2.0 1.0 0.0 -1.0 -2.0 -3.0 -4.0 -5.0 -40 -30 -20 -10 0 10 20 30 40 50 Temperature (Degree C) 60 70 80 90 100