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Ultrasonic Sensor Technology

Precision Ultrasonic Sensors for Industrial Applications

SHENZHEN LONGSUN ACOUSTIC CO., LTD. is a leading manufacturer of ultrasonic transducers and sensor solutions. Specializing in piezoelectric standard and custom ultrasonic transducers, our products are engineered for reliability, accuracy, and performance in demanding environments.

About SHENZHEN LONGSUN ACOUSTIC

SHENZHEN LONGSUN ACOUSTIC CO., LTD. is one of the leading manufacturers of ultrasonic transducers and sensor solutions for industrial applications. We concentrate on piezoelectric standard and custom ultrasonic transducer, sensor research and development, production, and sales.

Our products are widely used in traffic flow detection, water treatment plants, industrial automation, automotive systems, environmental monitoring, and many other fields requiring precise non-contact measurement.

Industrial Focus

Engineered for harsh environments

R&D Driven

Innovation at the core

Ultrasonic Sensor Manufacturing

Our Product Range

High-performance ultrasonic sensors and transducers designed for precision, durability, and reliability across diverse industrial applications.

Ultrasonic Level Sensor

Ultrasonic Level Sensors

Non-contact liquid and solid level measurement for tanks, reservoirs, and industrial vessels. Ideal for water treatment, chemical, and food processing industries.

  • Ranges from 0.25m to 15m
  • IP67/IP68 rated
  • 4-20mA or RS485 output
Air Ultrasonic Transducer

Air Ultrasonic Transducers

High-efficiency transducers optimized for air coupling. Used in proximity sensing, object detection, and distance measurement.

  • Frequencies: 25kHz to 400kHz
  • Wide beam or focused options
  • Low power consumption
Waterproof Transducer

Waterproof Transducers

Sealed ultrasonic transducers for use in wet or submerged environments. Suitable for level sensing in outdoor tanks and harsh conditions.

  • IP68 rated
  • Corrosion-resistant housing
  • Stable performance in humidity
Underwater Transducer

Underwater Ultrasonic Transducers

Designed for submersion in water and other liquids. Used in depth sounding, flow measurement, and underwater detection.

  • Full submersion capability
  • High sensitivity & bandwidth
  • Titanium or PVDF materials
Ultrasonic Fuel Sensor

Ultrasonic Fuel Sensors

Accurate fuel level monitoring for vehicles, generators, and storage tanks. Resistant to fuel vapors and temperature variations.

  • Non-intrusive measurement
  • Compatible with diesel, gasoline
  • Analog or digital output
Ultrasonic Proximity Sensor

Ultrasonic Proximity Sensors

Detect presence, distance, and position of objects without physical contact. Ideal for automation, robotics, and safety systems.

  • Detection up to 8 meters
  • IO-Link or discrete outputs
  • Compact industrial housing
Ultrasonic Anemometer

Ultrasonic Anemometers

Measure wind speed and direction using ultrasonic time-of-flight principles. No moving parts, high accuracy, and low maintenance.

  • 3D wind vector measurement
  • Ideal for meteorology & HVAC
  • RS485 Modbus output
High Frequency Transducer

High Frequency Transducers

Operating at frequencies above 200kHz for high-resolution imaging, cleaning, and precision sensing applications.

  • 200kHz to 1MHz+ options
  • Narrow beam patterns
  • For medical & NDT use

Why Choose Longsun Ultrasonic Sensors?

Our commitment to innovation, quality, and customer support makes us a trusted partner in ultrasonic sensing technology.

R&D Excellence

Over a decade of research in piezoelectric materials and ultrasonic wave propagation ensures cutting-edge performance and reliability.

Industrial Durability

Designed for 24/7 operation in extreme temperatures, humidity, and corrosive environments. Built to last.

Global Support

Serving customers worldwide with technical support, custom design services, and fast delivery.

Key Applications

Our ultrasonic sensors and transducers are trusted in critical systems across multiple industries.

Water & Wastewater

Level monitoring in tanks, reservoirs, and treatment plants.

Automotive

Parking sensors, fuel level, and obstacle detection.

Industrial Automation

Object detection, bin level, and robotic guidance.

Environmental Monitoring

Wind speed, rainfall, and air quality measurement.

Marine & Underwater

Depth sounding, flow measurement, and subsea sensing.

Chemical Processing

Level and interface detection in aggressive media.

HVAC & Building Control

Airflow, occupancy, and environmental sensing.

Scientific Research

Acoustic experiments, fluid dynamics, and material testing.

10+
Years in Market
50+
Countries Served
1M+
Sensors Deployed
99.7%
Customer Satisfaction

Frequently Asked Questions

What is the operating principle of ultrasonic sensors?

Ultrasonic sensors emit high-frequency sound waves and measure the time it takes for the echo to return after hitting an object. This time-of-flight measurement is used to calculate distance, level, or presence.

Can ultrasonic sensors work in dusty or foggy environments?

Yes, ultrasonic sensors are generally unaffected by dust, fog, smoke, or other airborne particles, making them ideal for harsh industrial environments.

What is the typical range of your ultrasonic level sensors?

Our sensors offer ranges from 0.25 meters up to 15 meters, depending on the model and application. Custom long-range options are also available.

Do you offer custom transducer design?

Yes, SHENZHEN LONGSUN ACOUSTIC specializes in custom piezoelectric transducer development. We work with clients to design transducers with specific frequency, beam pattern, and environmental requirements.

Get in Touch

For more information, product specifications, or custom design inquiries, contact our sales team.

We typically respond within one business day.

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