ultrasonic air transducer 型号:HL17-E-188

货号:

Description E-188 The Massa Model E-188 is a miniature ultrasonic air transducer having many applications in short range, high resolution, non-contact sensing and remote control. The transducer operates at either 215 kHz or 220 kHz, depending upon model selected. A unique design feature results in the transducer having a narrow directional pattern completely free of all minor lobes. Each transducer is provided with two feet of coaxial cable. Additional types of termination are available on special order. Massa Products Corporation is a leading designer and manufacturer of a wide variety of electroacoustic transducers and systems for use in air and under water, with over 50 years of specialized experience in this field. Applications Proximity Detection Security Sensing Robotics Short Range Measuring Systems Features High Frequency Operation Narrow Beam No Minor Lobes Small Size SPECIFICATIONS E-188/215 E-188/220 Frequency at Receiving Sensitivity 215 kHz +/- 2.5 kHz 220 kHz +/-2.5 kHz Bandwidth (Transmitting) 25 kHz 25 kHz Transmitting Sensitivity (dB vs. 1 mbar per volt at 1 ft. untuned) +20 +20 Receiving Sensitivity (dB vs. 1 volt/mbar untuned) -77 -77 Driving Voltage (10% Duty Cycle) 50 V p-p 50 V p-p Nominal Impedance 1000 Ohms 1000 Ohms Total Beam Angle (-3 dB) Conical 10 deg. 10 deg. Operating Temperature 0-70 C 0-70 C Humidity 0-90% Non-condensing Weight 10 grams 10 grams All Specifications typical at 20 C and barometric pressure at 760 mm of mercury and subject to change without notice.

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