Acoustic Camera


Application field:
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.

Advantages at a glance

  • 72 sealed microphones (spiral array) for use in industrial areas
  • Real-time acoustic results at 100 fps
  • Wide frequency range: Up to 100 kHz for the detection of audible sound and ultrasound
  • Acoustic feedback via industrial headphones
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  • Integrated data acquisition and analysis software
  • Handheld device with IP54 protection
  • Integrated LED lights
  • 8 configurable buttons for fast control
  • Low weight and small size


Leak Detection

  • Broadband ultrasound
  • Adjustable bandpass filter to adapt industrial environments with disturbing ultrasound
  • Show multiple leaks in one image

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

Technical Specifications



Hardware Features

Dimensions 31 x 16 x 5.5 cm (12.2 x 6.3 x 2.2 inch)
Weight 1.5 kg (3.3 lb)
Protection Class IP54
Operation One or two-handed
Battery Life ~ 3.5 h; fully charged in 1.5 h
Buttons 8 configurable + power on/off
Environment Temperature -20 °C to 50 °C (-4 °F to 122 °F)
Charging Temperature 0 °C to 45 °C (32 °F to 113 °F)
Storage Temperature -30°C to 60°C (-22°F to 140°F)
Display Size 7 inch / 15.5 x 8.6 cm
Resolution 800 x 480 px
Touch 10 finger capacitive touch
Embedded Controller Processor ARM A53 4×1.2 GHz with 1 GB RAM
Internal storage 32 GB
Operation System Linux for ARM
Sensors Microphones 72 digital MEMS
Frequency range Up to 100 kHz
Sample rate 200 kHz
Sound pressure Max. 120 dB
Resolution 24 bit
Detection Range Up to 150 m


Optical Camera

Type Digital
Resolution 320×240 (50fps) or 640×480 (16fps)
Lighting 4 LEDs
Aperture angle 70° (FoV horizontal)
Shutter Global shutter



Battery Li-ion rechargeable battery (48 Wh)
Input 19V with power adapter
Management Smart work and charge simultaneously
Operating System Linux (on SONASCREEN), Windows (for Laptop/PC)
HMI Touchscreen, headphones, buttons




Password (unauthorized access protection)


Online Performance

Up 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


Offline Features

View acoustic results frame by frame
Save and reload
Replay in real-time or slow motion
Listen to local sound
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