Services Technique Claude Drouin

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SONASCREEN®

Acoustic Camera & IR

The handheld acoustic camera SONASCREEN generates acoustic images from both the audible and ultrasound frequency range. The device locates sound sources in real time and displays the results immediately on the screen. Furthermore, the camera provides audible feedback through industrial headphones. We make ultrasound audible and visible.

SONASCREEN® - Acoustic Camera for Preventive Maintenance

Our acoustic camera uses beamforming to localize sound sources and visualizes complex acoustic information in color as an acoustic photo or acoustic video. Thanks to the intuitive handling as well as preset setups (e.g. for leak detection), even inexperienced users can correctly evaluate the results at a glance.

  • 72 sealed microphones (spiral array) for use in industrial areas
  • Real-time acoustic results at 100 fps
  • Wide frequency range (2 kHz – 100 kHz) for the detection of audible sound and ultrasound
  • Acoustic feedback via industrial headphones
  • Handheld device with IP54 protection (splash proof)
  • 8 configurable buttons for fast control
  • Low weight and small size

Applications

Ultrasonic Leak Detection

In Compressed Air, Inert Gas and Vacuum Systems

Saving energy through leak detection in compressed air systems is an important issue in all areas of manufacturing and process technology. Successful leak detection with leak detectors and the associated repairs to the compressed air system, achieves an average saving of 35%. A regular check for leaks with our ultrasonic testing device SONAPHONE or our acoustic camera SONASCREEN not only serves to save energy and cost, but also increases operational safety and plant reliability

Leak Detection

  • Broadband ultrasound
  • Adjustable bandpass filter to adapt industrial environments with disturbing ultrasound
  • Show multiple leaks in one image
  • Reporting software for complete leak detection audits
  • Provide a gross loss estimation
SonaScreen example Ui pic 2

Partial Discharge Detection

  • Detect partial discharge in the ultrasonic range
  • Recognize typical forms of partial discharge in the spectrogram
  • Show multiple partial discharges in one image
SonaScreeen example ui pic 1

Electrical Inspection

Detect partial discharges early with regular ultrasonic inspections of electrical assets. Ensure plant reliability and safety. Sonaphone and Sonaphone acoustic camera detect and distinguish corona, tracking, and arcing at different voltage levels. Inspect open or closed electrical systems, cabinets, control boxes, transformers, insulators, etc.

Leak Detection

Energy-saving through compressed air leak detection is vital for manufacturing and process technology. Efficient leak detection and repairs enhance plant reliability.

Leak Detection and Evaluation with SonaPhone

Reducing energy consumption has a lot of social and political interest as a way of achieving current energy and climate targets. With the implementation of the 2015 EU Energy Efficiency Directive at the latest, companies of a particular size and above are obligated to carry out energy audits or to become certified to standards such as DIN EN ISO 50001 and EMAS.

Compressed air production is an expensive process due to the low level of efficiency, and compressed air losses as a result of leaks provide a lot of potential for increasing energy efficiency. State-of-the-art broadband ultrasound testing technology is an important tool that helps companies to achieve their targets. Smartphone-based devices guide service engineers throughout the entire testing procedure: from regular leak detection and the automatic evaluation of leaks in l/min right through to documentation.

Our ultrasonic testing device SONAPHONE and our acoustic camera SONOASCREEN are used for simple and fast leak detection on compressed air, inert gas and vacuum systems. The different device versions as well as the extensive accessories offer intuitive assistance for leak detection and evaluation with ultrasound.

Technical Specifications

HardWare

DIMENSIONS31 x 16 x 5.5 cm (12.2 x 6.3 x 2.2 inch)
WEIGHT1.5 kg (3.3 lb)
PROTECTION CLASSIP54
OPERATIONOne or two-handed

HardWare Features

BATTERY Life ~ 3.5 h; fully charged in 1.5 h
BUTTONS8 configurable + power on/off
ENVIRONMENT TEMPERATURE-20 °C to 50 °C (-4 °F to 122 °F)
CHARGING TEMPERATURE0 °C to 45 °C (32 °F to 113 °F)
STORAGE TEMPERATURE-30°C to 60°C (-22°F to 140°F)
SIZE 7 inch / 15.5 x 8.6 cm

Display

RESOLUTION800 x 480 px
TOUCH10 finger capacitive touch

Embedded Controller

PROCESSORARM A53 4x1.2 GHz with 1 GB RAM
INTERNAL STORAGE32 GB
OPERATIONS SYSTEMLinux for ARM
MICROPHONES-72 digital MEMS
FREQUENCY RANGE2 kHz – 100 kHz
SAMPLE RATE200 kHz)

Sensors

SOUND PRESSUREMax. 120 dB
RESOLUTION24 Bit
DETECTION RANGEup to 150m

Software

OPERATING SYSTEMLinux (on SONASCREEN), Windows (for Laptop/PC)
HMITouchscreen, headphones, buttons
PROTECTIONPassword (unauthorized access protection)
ONLINE PERFORMANCEUp to 100 acoustic fps, up to 50 optical fps
Acoustic pictures, optical pictures, FFT and spectrogram
Listen to local sound (broadband or frequency filtered)
Place marker while measuring
Buffer recording, trigger recording (SPL or frequency)
Long term measurements (average and peak-hold)
Time weighting: fast, slow, impulse
View acoustic results frame by frame
OFFLINE FEATURESSave and reload
Replay in real-time or slow motion
Listen to local sound
EXPORTScreenshots, video, sound
Distance settings
INTUITIVE USABILITYFrequency filters (narrow band, 1/3-octave and octave)
Dynamic filter and low cut-off
3 scaling modes: off, auto, smart (crest factor)

Power

BATTERYLi-ion rechargeable battery (48 Wh)
INPUT19V with power adapters
MANAGMENT SMARTwork and charge simultaneously

Optical Camera

RESOLUTION320x240 (50ps) or 640x480 (16fps))
LIGHTING4 LEDs
APERTURE ANGLE70° (FoV horizontal)
SHUTTERGlobal Shutter