At 9:00 AM CET, May 6, 2025, the globally anticipated SENSOR+TEST 2025 commences. Audiowell (Hall 1, Booth 521) will debut its Clamp-On Flow Sensors alongside innovative sensor and actuator solutions across multiple domains. We cordially invite you to join this premier event and collectively shape the intelligent future!
Event Details
SENSOR+TEST 2025
May 6-8, 2025
Audiowell at Nuremberg Exhibition Centre, Germany
Booth: 1-521
-Debut Exhibition of Clamp-On Flow Sensor
Clamp-On Flow Sensor
This clamp-on non-contact flow measurement device employs paired ultrasonic sensors to continuously transmit sound waves toward the pipe's central axis and capture reflected echoes. By measuring the ultrasonic time-of-flight (ToF) through the pipe section, it calculates fluid velocity and volumetric flow rate.
- Non-contact high-precision measurement via external clamping
- Compatible with rigid metal and flexible plastic pipes
- Multi-fluid adaptability: Water, ethanol, chemical solutions, etc.
Industrial Control Application Series
Vortex Flow Sensor
These sensors measure liquid/gas flow rates, excelling in high-flow, high-velocity, and high-viscosity coolant applications. Leveraging the Kármán vortex street principle, they detect vortical frequencies generated by fluid passing bluff bodies, integrating fluid dynamics modeling and signal processing technologies for stable real-time flow measurement.
- Superior Bubble/Contaminant Immunity
- Modular Structure with Minimal Pressure Drop
- Instantaneous Flow Accuracy: ±3% F.S.
- Optional Integrated Temperature Sensor for synchronous flow/temperature measurement
Ultrasonic Flow Sensor
This inline ultrasonic flow sensor directly outputs digital flow signals. It comprises a master-slave paired transducer assembly integrated with a measurement pipe section. The embedded circuit processes ultrasonic time-difference signals and outputs digital data (instantaneous/total flow rates, flow status) via serial interface.
- No moving parts: High measurement accuracy
- Micro-leak detection: Intelligent early-warning capability
- Modular expandability: Multi-functional versatility
- Liquid & semi-fluid measurement compatibility
Smart Metering Application Series
Lead-Free Flow Transducer
This eco-friendly flow transducer utilizes novel material technology, containing zero lead content to comply with advanced global environmental standards. By measuring ultrasonic velocity variations within pipes, it calculates fluid velocity and volumetric flow rate—ideally suited for smart water meters, intelligent irrigation systems, building water management, and whole-house purification systems.
- Eco-conscious lead-free piezoelectric materials meeting international potable water standards
- Extreme temperature/pressure resilience
- Exceptional long-term stability and reliability
High-Temperature Flow Sensor
Engineered with hermetically sealed stainless steel/ceramic construction for direct liquid contact, these sensors eliminate pressure/thermal instability issues. This ensures enhanced operational stability while mitigating environmental interference on signal transmission, significantly improving response sensitivity. When deployed in ultrasonic heat meters, they boost measurement accuracy and serve as precision liquid flow measurement devices.
- No moving parts: Exceptional measurement accuracy
- 240°C temperature resistance
- 2.5 MPa sustained pressure tolerance
Gas Flow Sensor
As core components of ultrasonic gas meters, these gas-medium ultrasonic sensors employ novel acoustic matching layers to enhance ultrasonic signal transmission in gaseous media. Primarily deployed for natural gas and coal gas metering.
- High sensitivity
- Superior directivity
- Corrosion-resistant construction for diverse gas compositions
Smart Terminal Application Series
Super Button™
A touch solution for smart terminals combining tactile feedback with hybrid interface compatibility. This advanced module precisely differentiates press types (short/long/light/heavy) and recognizes gestures (swipe up/down), delivering high sensitivity, instant response , and extended lifespan. Ideal for physical/virtual button integration in smartphones, laptops, and smart devices.
- Multi-action recognition: Accurate detection of presses and gestures
- Dual-function integration: Touch sensing + haptic feedback
- High-sensitivity performance: Ultra-fast response
Haptic Feedback Actuator
Leveraging the direct/inverse piezoelectric effects of piezoelectric ceramics, these actuators generate mechanical deformation and vibration when energized. Composed of piezoelectric ceramics bonded to metal substrates, they deliver stable performance in compact form factors ideal for slim-profile integration. Key advantages include low power consumption, high amplitude, rapid response , extended lifespan , and software-programmable vibration profiles via pulse control.
- Scenario-adaptive feedback: Custom vibrations for diverse applications
- Multi-dimensional compliance: Supports layered, transitional, and synchronous haptic requirements
- Software-customizable effects: Real-time waveform parameterization
Smart Home Appliance Series
MEMS Ultrasonic Sensor
These next-generation ultrasonic sensors integrate piezoelectric thin-film functional layers with silicon MEMS via wafer-level micro-nanofabrication processes. Each monolithic chip combines transmit (Tx) and receive (Rx) functions, available in 40kHz, 65kHz, and 450kHz variants for smart appliances, security systems, automotive electronics, instrumentation, and smart devices.
- Multi-frequency selection: Adaptable to diverse application requirements
- 180° field of view: Extensive detection coverage
- MEMS miniaturization: Ultra-compact footprint
- Stealth installation: Seamless device integration
Piezoelectric Tap Switch
Operating on the piezoelectric effect principle, these switches convert mechanical force from taps on the sensing surface into electrical signals. Through signal conditioning circuits with hardware filtering and software algorithms, they accurately detect valid tap patterns to trigger device operations. Customizable sensitivity, tap signatures, and activation counts make them ideal for refrigerators, dishwashers, and other white goods.
- Concealed mounting behind metal panels
- Personalized function customization
- High noise immunity: Precision signal recognition
Underwater Ultrasonic Sensor
Designed for underwater robotics, these sensors utilize ultrasonic measurement principles. Through the inverse piezoelectric effect, they emit sound waves that propagate through water and reflect off obstacles. The returning echoes are received by integrated circuitry, digitized, and processed by an MCU (Microcontroller Unit) to calculate obstacle distance via Time-of-Flight (ToF) principle.
- 8-meter detection range
- 6cm near-field blind zone
- IP68 protection rating
Ultrasonic Level Sensor
These sensors monitor liquid levels in real-time by measuring time differentials between transmitted ultrasonic waves and reflected echoes. This non-invasive sensing solution integrates transmitter drivers, signal acquisition modules, processing circuits, parameter retention, and communication interfaces into a single unit. Ideal for humidifier-purifier combos, water dispensers, and humidifiers.
- Non-invasive measurement: Compatible with pure/contaminated/foaming liquids
- Precise level monitoring: Accurate alert thresholds
- IP67 protection
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