ISU55.5-15.5TRAJ
55.5kHz Waterproof Ultrasonic Transducer for Automotive Reversing Radar Systems
Waterproof, Integrated Transceiver, High Sensitivity, Wide Bandwidth, Reliable Operation, Lightweight, Good Signal-to-Noise Ratio
The 55.5kHz Waterproof Ultrasonic Transducer is engineered specifically for automotive applications and serves as a crucial component in reversing radar systems. This high-performance transducer boasts a robust waterproof design, offering exceptional durability against harsh environmental conditions and ensuring long-term reliability.
By integrating both the transmitter and receiver into a single, compact unit, this transducer simplifies installation while enhancing overall operational efficiency. The high sensitivity combined with a wide bandwidth allows for accurate distance measurements, making it an essential device for effective collision avoidance in vehicles.
The excellent signal-to-noise ratio further guarantees precise readings, significantly minimizing interference from surrounding noise—an essential feature during parking and reversing maneuvers. With its lightweight and compact configuration, the transducer is well-suited for various automotive applications, promoting safer maneuvering in tight spaces.
Specification
| Test Item | Testing Conditions | Judgment Criteria |
|---|---|---|
| Center Frequency (kHz) | Room temperature 25±3(℃) | 55.5±1 |
| Capacitance (pF) | 1 kHz; Room temperature 25±3(℃) | 1500±20% |
| Angle (°) | Room temperature 25±3(℃), using customer-provided circuit board, probe height 80 cm, distance to target 60 cm, target is Ф75 mm PVC pipe, height 1 m, testing environment requires no obstacles within 2 m radius | X-axis: 105±10 Y-axis: 55±10 |
| Residual Vibration (ms) | Room temperature 25±3(℃), using customer-provided circuit board, oscilloscope setting: 2V/1ms, reading as shown in Fig. 2, residual vibration branching judgment criteria as per Fig. 3 | 1.08-1.72 |
| Echo Sensitivity (µs) | Room temperature 25±3(℃), using customer-provided circuit board, obstacle: Ф75mm*1000mm PVC pipe, distance 1.5m, oscilloscope setting: 2V/1ms | 280-560 |
| Insulation Resistance (MΩ) | DC Voltage 100V | ≥100 |
| Sound Pressure (dB) | Room temperature 25±3(℃), distance: 30 cm, input voltage: 10Vrms, 0dB=2x10-5Pa | ≥108 |
| Operating Temperature (℃) | -40~+85 | Qualified |
| Storage Temperature (℃) | -40~+85 | Qualified |
| Maximum Drive Voltage (Vp-p) | Pulse width 0.8ms, interval 60ms | 150 |
External dimensions / Test waveform diagram
Typical Applications
The 55.5kHz Ultrasonic Transducer can be effectively utilized in automotive reversing radar systems, providing critical distance measurements to detect obstacles behind vehicles. It plays a vital role in collision avoidance by accurately gauging nearby object proximity, thereby enhancing the safety of both drivers and pedestrians.
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