Partial discharge detection acoustic sensor SONASCREEN®

for leak detectionfor machine monitoringfor predictive maintenance

Product overview
The SONASCREEN® Sensor is a compact high-performance sensor for integration into fixed and mobile monitoring systems. With 176 microphones, an integrated thermal camera and a powerful API, it localizes sound sources in real time and enables seamless integration into custom applications.

Key benefits

• 176 microphones with 200 kHz sampling rate for capture of very low acoustic signals and precise localization
• Wide frequency range up to 100 kHz for detection beyond typical industrial noise
• Autonomous operation with local storage of measurement data
• Protection class IP20 or IP65 for use in demanding industrial environments
• Edge computing enables autonomous measurements including data storage and SFTP access
• Predefined operating modes for intuitive use
• Powerful API for integration into custom software solutions and automation systems
• Suited for leak detection, electrical inspection, tightness testing and bioacoustic monitoring
• Optimized for mobile inspection and monitoring applications

Applications

• Leak detection and assessment
• Electrical inspection / partial discharge detection
• Tightness testing
• Machine diagnostics / rolling bearing inspection / lubrication monitoring
• Bioacoustics and other monitored environments

Device modes

• EASY – simplified mode with reduced functions and easier operation
• PRO – expert mode with extended functions and freely configurable measurement parameters
• LEAKAGE – optimized mode for quick leak detection including live loss display
• PARTIAL DISCHARGE – optimized mode for detection of various types of partial discharges including live PRPD display

Software (selection)

• LeakReport – PC software for report generation including location description, loss estimate and repair status
• PDReport – PC software for report generation including fault evaluation and repair status

Technical data (excerpts, table format with line breaks)
General
Protection rating: IP20 or IP65
Dimensions: IP20: 14 x 14 x 3.2 cm (5.5” × 5.5” × 1.3”) / IP65: 14 x 14 x 5.2 cm (5.5” × 5.5” × 2.0”)
Weight: IP20: 0.7 kg (1.5 lb) / IP65: 1.1 kg (2.4 lb)
Deployment: Robot/drone or fixed installation
Mounting points: M5 threads around housing
Operating temperature: 15 °C to 50 °C (59 °F to 122 °F)
Storage temperature: -30 °C to 60 °C (-22 °F to 140 °F)

Optical camera
Type: Digital
Resolution: 1280 x 800 px at 40 fps
Field of view: 74° x 51° (horizontal x vertical)
Shutter: Global shutter

Thermal camera
Sensor technology: Uncooled microbolometer
Spectral range: Long-wave infrared, 8 μm to 14 μm
Resolution: 160 x 120 progressive sampling
Frame rate: 8.7 fps
Sensitivity: <50 mK (0.050 °C)
Temperature compensation: Automatic
Measurement range and accuracy: -10° to +140°C with ±5°C or 5%; -10° to +400°C with ±10°C or 10% (larger value applies)
Field of view: 57° x 44° (horizontal x vertical)
Temperature unit: Kelvin, Celsius, Fahrenheit

Integrated computer
Internal storage: 1 TB M.2 SSD
Operating system: Linux

Power supply
Input: 9 to 24 V or PoE, min. 20 W

Sensors
Microphones: 176 digital MEMS microphones
Frequency range: Up to 100 kHz
Sampling rate: 200 kHz
Sound pressure: Max. 120 dB
Resolution: 24 bit
Beamforming: 100 fps

API (data streams & functions)
Data streams: Video camera, acoustic image, thermal image, frequency spectrum, audio of listening point, sound pressure level of all microphones, time data of all microphones (raw signals)
Functions: Create/edit measurement mode/profile; set measurement distance; set min./max. frequency; set acoustic scaling mode and dynamics; enable/disable triggers; configure trigger settings; download/upload files; restart device

Interfaces
USB-B 3.0 (data transfer)
Ethernet (data transfer and PoE)