40KHz Waterproof Ultrasonic Sensor 25mm Integrated Transducer
40KHz Waterproof Ultrasonic Sensor 25mm Integrated Transducer
TCT40-25TR — 25mm 40KHz Waterproof Ultrasonic Integrated Sensor
The TCT40-25TR is a compact, high-performance 40KHz waterproof ultrasonic transducer featuring a fully integrated transmitter and receiver in a single 25mm probe. Designed for demanding industrial and hobbyist applications, this sensor delivers reliable distance measurement, object detection, and proximity sensing — even in wet or humid environments.
Key Features
- Integrated Transmitter & Receiver: Combines both functions in one compact unit, simplifying wiring and installation.
- Waterproof Construction: IP-rated housing makes it ideal for outdoor, industrial, and liquid-level sensing applications.
- 40KHz Operating Frequency: Optimized ultrasonic frequency for accurate, stable distance measurement across a wide range.
- 25mm Form Factor: Compact probe diameter fits into tight spaces and standard sensor mounting holes.
- Wide Compatibility: Works with microcontrollers (Arduino, Raspberry Pi, PLC systems) and custom electronics projects.
- Low Power Consumption: Efficient design suitable for battery-powered and embedded systems.
- Durable Build: Robust housing withstands vibration, dust, and moisture for long service life.
Typical Applications
- Liquid level detection in tanks and reservoirs
- Obstacle detection and proximity sensing in robotics
- Industrial automation and conveyor systems
- Smart irrigation and water management systems
- DIY electronics and maker projects
- Outdoor distance measurement systems
Specifications
| Model | TCT40-25TR |
| Frequency | 40 KHz |
| Probe Diameter | 25 mm |
| Type | Integrated Transmitter & Receiver |
| Waterproof | Yes |
| Country of Origin | Made in Mainland China |
Why Choose an Integrated Ultrasonic Transducer?
Unlike split transmitter/receiver setups, an integrated probe like the TCT40-25TR reduces component count, simplifies circuit design, and improves alignment accuracy. This makes it an excellent choice for both prototyping and production environments where space and reliability matter. Learn more about ultrasonic sensor standards and measurement technology at NIST Manufacturing Technologies.
Frequently Asked Questions
Q: What is the operating frequency of the TCT40-25TR ultrasonic sensor?
A: The TCT40-25TR operates at 40KHz, a widely used frequency for ultrasonic distance measurement and proximity detection in both indoor and outdoor environments.
Q: Is this ultrasonic transducer waterproof?
A: Yes, the TCT40-25TR features a waterproof integrated probe housing, making it suitable for use in wet, humid, or outdoor environments such as tank level monitoring and outdoor robotics.
Q: Does this sensor work with Arduino or Raspberry Pi?
A: Absolutely. The TCT40-25TR is compatible with popular microcontroller platforms including Arduino, Raspberry Pi, and most PLC systems. It integrates easily into custom circuit designs with minimal additional components required.
Q: What does "integrated transmitter and receiver" mean?
A: An integrated design means both the ultrasonic signal transmitter and the signal receiver are housed within the same 25mm probe. This simplifies installation, reduces wiring complexity, and improves measurement consistency compared to separate transmitter and receiver units.