Acoustic imagers are a new type of detection equipment based on microphone array technology. Their core function is to convert invisible sound signals into intuitive visual images, accurately locate the sound source and quantify the sound intensity. This breaks the limitation of “only hearing the sound but not seeing the source” and is widely used in many fields such as industrial diagnosis, power maintenance, and environmental monitoring.
Signal Acquisition: The device is equipped with an array of 130 MEMS microphones, which simultaneously capture sound wave signals from different locations in space and record the time and phase differences between the sound waves reaching each microphone.
Signal Processing: A beamforming algorithm analyzes multi-channel signals to calculate the propagation direction and source location of the sound waves. It also filters out background noise to extract the effective sound source signal.
Image Synthesis: The calculated sound source location and sound intensity (sound pressure level) are superimposed with the visible light image from the device’s built-in camera to generate an “acoustic image”.
Result Output: The acoustic image is displayed in real time, and the data can be stored and exported as a report for subsequent analysis.
Precise Sound Source Location: Quickly pinpoint hidden sound sources, such as tiny leaks in pipes, unusual noise in motor bearings, and partial discharges in power equipment.
Sound Quantification Analysis: Real-time display of the sound pressure level of the sound source, quantifying sound intensity and assessing fault severity.
Intelligent Fault Identification: Built-in algorithms automatically classify fault types, such as “corona discharge” and “creeping discharge” in power equipment, and “gear wear” and “loose bearings” in mechanical equipment.
Data Logging and Report Generation: Stores audio, video, and parameter data, and supports one-click export of PDF/Excel reports for easy traceability and team collaboration.
Non-contact Testing: No contact with the device under test is required, allowing operation from a safe distance (0.3 to 200 meters). Suitable for high-risk scenarios such as high voltage, high temperature, and toxic environments.
| microphone | |
| Number of microphones | 130 mems channel |
| Microphone characteristics | High-sensitivity digital microphone |
| Measurement frequency | |
| Test sound pressure level range | 30dB 120dB |
| Frequency range | 2kHz—-65kHZ,Adjustable range |
| Sampling frequency | 130kHZ |
| Sampling frequency | |
| Effective test distance | 0.5m-100m |
| Measurement accuracy | ±1cm |
| equipment | |
| Equipment weight | 1.86kg |
| Overall size of the equipment | 255*190*45mm |
| Protection level | IP56 |
| Shell material | Aluminum alloy + anti-drop design |
| Display/touch screen | |
| Resolution | 1024*600(color) |
| size | 10-inch capacitive touch screen |
| Camera | 8 million pixels |
| Battery | |
| Battery life | Single battery life 6h |
| Charging time | Fully charged in about 4 hours |
| Data processing | |
| Data Interface | TIF卡/USB/TypeC |
| Internal storage capacity | 128GB+8GB |
| Software Features | |
| Leak rate assessment | Leak rate assessmentCan evaluate leakage rate in real time |
Photo function | Can take photos to record the location of the fault point |
| Video recording function | Can record video to record fault location information |
| Playback function | You can view the recorded fault point information |
| Cursor indication function | Displays the sound pressure level corresponding to the cursor |
| Intelligent noise reduction function | The focus frame can be turned on to automatically filter the sound signals outside the focus frame |
| PRPD atlas | Partial discharge types that can be evaluated |
| FFT spectrum | Fast Fourier algorithm, supports offline analysis of abnormal noise of equipment |
| Fill light | |
| 1WFill light | Facilitates the use of the device in darker scenes |
