From the field
Ultrasound in various industriesAgricultural engineering
Farming | Animal keeping | Precision Farming
Technology:
- Pulse-echo mode = time-of-flight determination between ultrasonic transducer and object
- distance measurement, Level measurement and presence check
- range from a few centimeters to several meters
- independent of dirt, fog, dust
SECO recommends for agricultural engineering:
- Transducer in robust metal housing
- Dirt-repellent coating of the front surface
Practical application examples:
- Level measurement in silos & tanks
- Automation of agricultural and harvesting machinery
- Animal husbandry, feeding, behavior analysis
- Automated irrigation, water level monitoring
- Navigation support, obstacle detection
- Plant monitoring, crop optimization
- Precision Farming

Automation
Positioning | Monitoring | Safety
Technology:
- Pulse-echo mode or transmitter-receiver mode, depending on the measuring task
- range from a few centimeters to several meters
- Robust and durable, even in harsh industrial environments
- Contactless and maintenance-free thanks to no moving parts
SECO recommends for automation:
- Discover our various design options!
Practical application examples:
- Robot positioning, navigation
- Object and obstacle detection
- Security in danger zones, personal protection
- Quality control of material, presence
- Counting tasks, production monitoring
- Autonomous vehicles, accident prevention
- Warehousing, conveyor technology

Wind measurement
Environmental monitoring | Research | Navigation
Technology:
- Anemometer with two pairs of ultrasonic transducers arranged at 90° to each other
- Precise differential measurement of sound transit times for wind direction and speed
- Wide opening angle for a reliable signal even with drifts of up to 90 m/s (324 km/h)
- Solutions for harsh environmental conditions, extreme weather and cold temperatures
SECO recommends for wind measurement:
- Integrated heater against icing
- Water- and dirt-repellent coating of the front surface
Practical application examples:
- Weather monitoring in weather stations, smart-home applications
- Optimizing energy generation in wind turbines
- Climate research, studies, weather forecasts
- Navigation and monitoring in aeronautics and shipping
- Sports and leisure, sailing, drones

Medical technology
Intensive care | Breath analysis | Spirometry
Technology:
- Two ultrasonic transducers arranged at an angle to the flow direction in transmitter-receiver mode
- Exact differential measurement of the sound transit times for volume flow and flow velocity
- Short rise and fall times for fast measurements with high repetition rates
- Small designs for almost undisturbed flow conditions
- Suitable for medical cleaning processes and sterilization under defined conditions
SECO recommends for medical technology:
- Mounting directly in customer specific enclosure for perfect alignment and reliable sealing
- Use of our in-house, steam-sterilizable adhesive
Practical application examples:
- Respiratory monitoring in intensive medical care
- Analysis of breathing rate and breathing patterns
- Pulmonary function diagnostics (spirometry)
- Contactless monitoring of hand hygiene
- Surgeries

Gas meter
Flow measurement | Monitoring | Analysis
Technology:
- Two ultrasonic transducers arranged at an angle to the flow direction in transmitter-receiver mode
- Exact differential measurement of the sound transit times for volume flow and flow velocity
- Short rise and fall times for fast measurements with high repetition rates
- Small designs for almost undisturbed flow conditions
SECO recommends for gas meter:
- Mounting directly in customer specific enclosure for perfect alignment and reliable sealing
- Installation on glass feed-through for optimum pressure stability
Practical application examples:
- Gas flow measurement in pipelines
- Leak detection, safety monitoring
- Determination of gas concentration, analysis
- Pipeline monitoring, efficiency control

Road construction
Leveling | Monitoring | Control
Technology:
- Precise distance measurement using the pulse-echo mode
- Leveling machines above a surface
- Robust, durable and maintenance-free thanks to no moving parts
- Ideal for harsh conditions in rough environments
SECO recommends for road construction:
- Ultrasonic transducer in robust metal housing
- Dirt-repellent coating of the front surface
- Adaptation of the transducer components to high temperatures and aggressive chemicals
Practical application examples:
- Leveling, surface optimization
- Level measurement of materials
- Obstacle detection, accident prevention on the construction site
- Distance measurement, positioning of devices

Print technology
double sheet control | web edge monitoring | efficiency check
Technology:
- Intensity measurement in transmitter-receiver mode (transmission)
- Mounting the transducers in customer specific measuring fork or array
- Real-time measurement thanks to high repetition rates
- Reliable even with dust and reflective surfaces
SECO recommends for print technology:
- Direct mounting of the ultrasonic transducers in customer specific measuring fork
- Multiple transducers in the array for a large measuring range
Practical application examples:
- Web guiding monitoring, web edge control
- Checking the quality of the paper web
- Level measurement of printing inks
- Double sheet detection and prevention
- Thickness measurement of materials
- Detection of material ends, efficiency optimization
- Object and foreign object detection

Robotics, Industry 4.0
Positioning | Presence check | Safety
Technology:
- Pulse-echo mode or transmitter-receiver mode, depending on the measuring task
- Working range from a few centimeters to several meters
- Robust and durable, even in harsh industrial environments
- Contactless and maintenance-free thanks to no moving parts
SECO recommends for Robotics / Industry 4.0:
- Discover our various design options!
Practical application examples:
- Robot positioning, autonomous navigation
- Obstacle detection, collision avoidance
- Security in danger zones, personal protection
- Height measurement, ground detection for drones
- Fill level and material monitoring
- Error detection

Film processing
Web edge guiding | Roll monitoring | Quality check
Technology:
- Intensity measurement in transmitter-receiver mode (transmission)
- Mounting the transducers in a customer specific measuring fork or array
- Real-time measurement thanks to high repetition rates
- Reliable even with dust and reflective surfaces
SECO recommends for film processing:
- Direct mounting of the ultrasonic transducers in the measuring fork
- Multiple transducers in array for large measuring range
Practical application examples:
- Web guiding monitoring, web edge control
- Inspection of film quality, detection of defects
- Double sheet detection and prevention
- Thickness measurement of materials
- Level measurement on material roll
- Detection of material ends, efficiency optimization

Material testing
Defect detection | Motion monitoring | Quality control
Technology:
- Pulse-echo mode or transmitter-receiver mode, depending on the measuring task
- Fast measurements, real-time monitoring thanks to high repetition rates
- Suitable for demanding environmental conditions in harsh industrial environments
- Reliable even with dust, fog, dirt and mirrored surfaces
SECO recommends for material testing:
- Discover our various design options!
Practical application examples:
- Defect detection in surfaces
- Presence monitoring, object detection
- Thickness measurement, quality of coatings
- Corrosion control
- Position and movement control

Textile industry
Double sheet control | Quality check | Web edge guiding
Technology:
- Transmitter-receiver mode (transmission) or pulse-echo mode
- Fast real-time measurement thanks to high repetition rates
- Reliable even in dust, dirt, fog, heat
SECO recommends for textile industry:
- Direct mounting of the ultrasonic transducers in the measuring fork
- Multiple transducers in array for large measuring range
Practical application examples:
- Web monitoring, web edge control
- Checking the fabric web quality
- Measuring and monitoring the web width
- Double sheet detection and prevention
- Thickness measurement of materials
- Detection of material ends, roll change
- Object and foreign body detection

Logistics, Warehousing
Positioning | Object detection | Efficiency
Technology:
- Presence monitoring, distance measurement, object detection using the pulse-echo method
- Ranges from a few centimeters to several meters possible
- Suitable for challenging environmental conditions in harsh industrial environments
- independent of fog, dust, dirt, darkness, mirrored surfaces
SECO recommends for Logistics and Warehousing:
- Discover our various design options!
Practical application examples:
- Level measurement, stock monitoring
- Object detection, material flow control
- Position recognition and tracking
- Distance measurement, collision avoidance
- Control of loading and unloading processes
- Obstacle detection, safety monitoring
- Height measurement
