400EP125.-NBPN

Air Ultrasonic Ceramic Transducers 400EP125 Dimensions: dimensions are in mm Specification 40.0±1.0Khz Bandwidth (-6dB) 400EP125 1.5Khz Transmitting Sound Pressure Level (with rubber sleeve) at resonant frequency; 0dB re 0.0002µbar per 10Vrms at 30cm Receiving Sensitivity (with rubber sleeve) at resonant frequency 0dB = 1 volt/µbar Nominal Impedance (Ohm) 98dB min. Ringing (ms) @25°C 1.2 max. Capacitance at 1Khz ±20% 1400 pF Max. Driving Voltage (Cont.) 20Vrms 20 bursts, 25ms repetition rate 100Vpp -6dB Total Beam Angle Operation Temperature 125° Storage Temperature -40 to 85°C Tested under 1Vrms Oscillation Level 10000 1000 100 35 36 37 38 39 40 41 42 43 44 90 75 60 45 30 15 0 -15 -30 -45 -60 -75 -90 Phase Angle (Degree) Center Frequency Impedance/Phase Angle vs. Frequency 120 115 110 105 100 95 90 85 80 SPL (dB) Transceiver Impedance (Ohm) 400EP125 45 Frequency (KHz) -80dB min. Sensitivity/Sound Pressure Level SPL Tested under 10Vrms@30cm -30 to 80°C Sensitivity (dB) 1000 -60 -65 -70 -75 -80 -85 -90 -95 -100 35 36 37 38 39 40 41 42 43 44 45 Frequency (KHz) Beam Angle: Tested at 40.0Khz frequency All specification taken typical at 25°C Models of less ringing are available Models available: 1 400EP125 Natural Aluminum Housing Supplied by MIDAS COMPONENTS LTD, www.midascomponents.co.uk, tel: +44 1493 602602, fax: +44 1493 665111