Description
Our 12mm 40khz ultrasonic transducers are aluminum shell. At present, we have no black plastic housing sensor. It has durable and stable quality. The diameter is 12mm and height is 9mm. This transducer has two types, namely transmitter (TX) and receiver (RX).
It has long ranging distance. Detection range can be up to 1.2 meters. Besides, this 12mm 40khz ultrasonic sensor has high measuring accuracy. And it also has high sensitivity. That is more than -75dBV/μMBar. In addition, the detection angle is up to about 75°. We can apply this sensor for ranging and obstacle avoiding. Also it is also suitable for human height measuring instrument.
Technical specification sheet of 12mm 40khz ultrasonic transducers:
| Ultrasonic Transducer Type | Transmitter
(TX) |
Receiver
(RX) |
| Sensor Shell Material | Silver Aluminum | |
| Product Diameter | 12mm | |
| Sensor Height | 9mm (without pin) | |
| Center Frequency | 40±1.0khz | 39±1.0khz |
| Sensor Sound Pressure Class | more than 115dB | —— |
| Sensitivity of 12mm 40khz Transducers | —— | no less than -75dBV/μMBar |
| Transducer Capacitance | 2200±25%pF at 1khz | |
| Orientation Angle Range | 75°±15° （-6dB) | |
| Max Input Voltage | 40Vp-p | |
| Ranging Distance | 0~1200cm | |
| Working Temp. | -20~80℃ | |
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