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250ST180

250ST180

  • 厂商:

    PROWAVE(普崴電子)

  • 封装:

  • 描述:

  • 数据手册
  • 价格&库存
250ST180 数据手册
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 250ST/R180 Dimensions: dimensions are in mm Impedance/Phase Angle vs. Frequency Tested under 1Vrms Oscillation Level 250SR180 Impedance 250SR180 Phase 250ST180 Impedance 250ST180 Phase 250ST180 Transmitter 250SR180 Receiver Center Frequency 25.0±1.0Khz Bandwidth (-6dB) 250ST180 1.5Khz 250SR180 1.8Khz Max. Driving Voltage (cont.) 112dB min. 90 75 60 45 30 15 0 -15 -30 -45 -60 -75 -90 10000 1000 100 20 21 22 23 24 25 26 27 30 Sensitivity/Sound Pressure Level 2400 pF 20Vrms Storage Temperature -40 to 85°C 95° 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 20 21 22 23 25 26 27 Beam Angle Tested at 25.0Khz frequency 330 270 0 0 -6 -12 -18 -24 -30 30 60 90 240 Aluminum Housing Black Al. Housing 28 Frequency (Khz) 300 Model available: 24 120 210 180 150 29 30 SPL (dB) -62dB min. -30 to 80°C 250ST/R180 250ST/R18B 29 Tested under 10Vrms @30cm -6dB Total Beam Angle Operation Temperature 1 2 28 Frequency (Khz) Sensitivity (dB) Transmitting Sound Pressure Level at 25.0Khz; 0dB re 0.0002µbar per 10Vrms at 30cm Receiving Sensitivity at 25.0Khz 0dB = 1 volt/µbar Capacitance at 1Khz ±20% Impedance (Ohm) 100000 Phase Angle (Degree) Specification PROWAVE Air Ultrasonic Ceramic Transducers 250ST/R180 250ST180 Transmitter Sensitivity Variation vs. Loaded Resistor SPL Variation vs. Driving Voltage -40 130 -45 125 -50 120 -55 115 SPL (dB) Sensitivity (dB) 250SR180 Receiver -60 -65 110 105 -70 100 -75 95 -80 90 1K 3.9K 10K 39K 100K 390K 0 2 4 6 8 10 12 Loaded Resistor (Ohm) 10K 39K 100K 0 390K 22 24 26 28 30 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 Vrms Sensitivity Variation vs. Temperature SPL Variation vs. Temperature -40 130 -45 125 -50 120 -55 115 SPL (dB) Sensitivity (dB) 20 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 % 5.0 4.0 3.0 2.0 1.0 0.0 -1.0 -2.0 -3.0 -4.0 -5.0 3.9K 16 Vrms Center Frequency Shift vs. Loaded Resistor 1K 14 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
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