Open type ultrasonic sensors have wide applications for remote controller, burglar alarm, object detectors and range finders. Compare with the water proof type ultrasonic sensors, they have a much longer detection distance, but they can’t be used in dirty or wet conditions.
Item | Transmitter | Receiver | Note |
Center frequency | 40.0±1.0KHz | ||
SPL | ≥110dB | ------- | 0dB=0.0002bar |
Sensitivity | ------- | ≥-67dB | 0dB=1volt/bar |
Directivity | 60° | -6dB typical | |
Capacitance | 2000±30%pF | ||
Housing material | ABS | ||
Driving Voltage | ≤30Vrms | ||
Operating Temperature | -20~+70℃ | ||
Storage Temperature | -30~+80℃ | ||
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