400ST160

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/R160 Dimensions: dimensions are in mm Impedance/Phase Angle vs. Frequency Specification 90 75 60 45 30 15 0 -15 -30 -45 -60 -75 -90 400ST160 Transmitter 400SR160 Receiver Center Frequency 40.0±1.0Khz Bandwidth (-6dB) 400ST160 2.0Khz Max. Driving Voltage (cont.) 1000 35 36 37 38 39 40 41 42 43 44 45 Frequency (Khz) 2.5Khz 120dB min. Sensitivity/Sound Pressure Level Tested under 10Vrms @30cm -65dB min. 2400 pF 20Vrms -50 130 -55 125 -60 120 -65 115 -70 110 -75 105 -80 100 -85 95 -90 -6dB Total Beam Angle Operation Temperature -30 to 80°C Storage Temperature -40 to 85°C 55° typical All specification taken typical at 25°C Closer frequency tolerance can be supplied upon request. Models available: 1 400ST/R160 2 400ST/R16B 2 400ST/R10P 3 400ST/R16F 90 35 36 37 38 40 41 42 43 44 45 Frequency (Khz) Beam Angle: Tested at 40.0Khz frequency 0 330 300 270 Aluminum Housing Black Al. Housing Plastic Housing Al. Housing w/Solid Grid 39 0 -6 -12 -18 -24 -30 -36 30 60 90 240 120 210 150 180 SPL (dB) 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% 10000 100 Sensitivity (dB) 400SR160 Impedance (Ohm) 100000 Phase Angle (Degree) Tested under 1Vrms Oscillation Level 400SR160 Impedance 400SR160 Phase 400ST160 Impedance 400ST160 Phase PROWAVE Air Ultrasonic Ceramic Transducers 400ST/R160 400ST160 Transmitter Sensitivity Variation vs. Loaded Resistor SPL Variation vs. Driving Voltage -40 125 -45 120 -50 115 -55 110 SPL (dB) Sensitivity (dB) 400SR160 Receiver -60 -65 -70 105 100 95 -75 90 -80 1K 3.9K 10K 39K 100K 85 390K 0 Loaded Resistor (Ohm) 3.0 0.0 2.0 -1.0 1.0 0.0 -1.0 4 6 8 10 12 20 22 24 26 28 30 -2.0 -3.0 -5.0 -3.0 1K 3.9K 10K 39K 100K 0 390K 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 Vrms Loaded Resistor (Ohm) SPL Variation vs. Temperature Sensitivity Variation vs. Temperature -40 130 -45 125 -50 120 -55 115 SPL (dB) Sensitivity (dB) 18 -4.0 -2.0 -60 -65 110 105 -70 100 -75 95 90 -80 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 -40 -30 -20 -10 90 100 0 10 20 30 40 50 60 70 80 90 100 Temperature (Degree C) Temperature (Degree C) Center Frequency Shift vs. Temperature Center Frequency Shift vs. Temperature 3.0 3.0 2.0 2.0 Fc Variation % Fc Variation % 14 16 Vrms Center Frequency Shift vs. Driving Voltage Fc Variation % Fc Variation % Center Frequency Shift vs. Loaded Resistor 2 1.0 0.0 -1.0 1.0 0.0 -1.0 -2.0 -2.0 -3.0 -3.0 -40 -30 -20 -10 0 10 20 30 40 50 Temperature (Degree C) 60 70 80 90 100 -40 -30 -20 -10 0 10 20 30 40 50 Temperature (Degree C) 60 70 80 90 100