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.
TO0101-012 & TO0104-012
which have the advantages of large measurement range and strong anti-interference ability.

| NO. | Item | Specification | Unit |
| 1 | Center Frequency | 40±1.0 | Khz |
| 2 | Sound Pressure Level | 117~122 | dB |
| 3 | Sensitivity | -60~-55 | dB |
| 4 | Beam Angle | 90 | 度° |
| 5 | Static capacitance | 1900±20% | pF |
| 6 | Max.Driving Voltage | 40 | Vp-p |
| 7 | Metaic Capacitance | PC | / |
| 8 | Operating temperature | -40~+90 | ℃ |
| 9 | Storage temperature | -40~+90 | ℃ |
Audiowell Electronics (Zhaoqing) Co., Ltd.
Tel:+86 20 84802041 Fax:+86 20 84665207
E-mail: inquire@audiowell.com
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