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frequency is between 1 Hz and 125 Hz.
• Ultrasonic proximity sensors are generally more expensive than optical proximity
sensors (e.g. factor 2). © Festo Didactic GmbH & Co. KG • FP 1110 109 7. Ultrasonic proximity sensors 7.2
Technical characteristics The table below lists the key technical data relating to ultrasonic sensors. The
figures listed in this table are typical examples and merely provide an overview. Parameter Value Object material any, with the exception of sound-absorbing materials Operating voltage typ.24 V DC Nominal switching distance 100 mm – 1 m, max. up to 10 m, usually adjustable Switching current (transistor output) 100 – 400 mA Sensitivity to dirt moderate Service life long Ultrasonic frequency 40 – 220 kHz Switching frequency 1 – 125 Hz Design cylindrical, block-shaped Protection (IEC 529, DIN 40050) typ. IP65, max. up to IP67 Ambient operating temperature 0 – +70 °C, partly as low as -10 °C Table 7.2.1: Technical data of ultrasonic sensors Ultrasonic proximit...
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- Spring '12