Description
This 20khz ultrasonic transmitter is 24mm diameter. We usually use this transducer for distance ranging and various shielding devices. The detection range is 1500cm. It can also be suitable for obstacle avoidance in robots and drones.
Features of the 20khz 24mm ultrasonic transmitter:
There is marking “20T” on the top of housing. The symbol stands for 20khz and the transmitter or emitter.
Aluminium housing, light-weight and durable. Moreover, it’s resistant to high and low temperature;
Small blind zone, long measuring distance. Besides, it has high measurement accuracy;
This 20khz 24mm transducer has high sound pressure. It is at least not less than 115dB;
In the endd, our 20khz transducer has wide application ranges.
Technical specification sheet of our 20khz 24mm ultrasonic transmitter:
| Transducer Type | Transmitter (TX) |
| Sensor Center Frequency | 20±1.0KHz |
| Sensor Capacitance | 2200±25%pF @1khz (namely 2.2nF) |
| Sound Pressure | no less than 110dB |
| Acoustic Direction Angle | 80°±15° (-6dB) |
| Maximum Input Voltage | 80Vp-p |
| Detection Distance Range | up to 1500cm |
| Transducer Housing | aluminum (silver and black color) |
| Operating Temperature | -20 to +80℃ |
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