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Acoustic Imaging Camera

Model：

HD-SX138H

Introduction：

Acoustic Imaging Camera locates sound sources and gas leaks with a microphone array and displays them as a color cloud image. Widely used for partial discharge detection, compressed gas leak detection and mechanical fault diagnosis....

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  • Technical Specifications
  • Product video

I. Product Introduction

The handheld acoustic imaging camera is a dedicated device that uses a microphone array to measure the sound field distribution within a certain range. It can be used to passively measure the position of sound sources and the state of their radiation intensity, and displays an intuitive sound field image in the form of a color cloud map, i.e. acoustic imaging measurement. Besides the sound localization and visualization functions of a traditional acoustic camera, the detector can also perform detection and analysis for specific partial discharge and compressed gas leakage scenarios.

The instrument supports both audible sound and ultrasonic frequency bands and can be used for sound source localization, abnormal sound testing and sound source trajectory tracking. For steady-state or highly transient sound sources, excellent detection results can be obtained whether the object is stationary or moving. It is mainly used in compressed gas leakage detection and partial discharge detection of high-voltage power equipment. The standard configuration additionally includes infrared thermal imaging temperature measurement.

II. Product Functions

1. Acoustic field imaging

2. Partial discharge detection

3. PRPD pattern plotting

4. Partial discharge type analysis

5. Infrared temperature measurement

6. Laser ranging

7. Air leak detection

8. Multi-stage digital zoom

9. Parameter adjustment

10. Photo and video recording

11. File analysis

12. Single/multi-target detection

13. File management

14. Remote system upgrade

15. Multi-language switching

16. Intelligent online/offline analysis

III. Product Features

• Integrated acoustic and optical design, no additional camera needed.

• Lightweight and compact, one-hand handheld, ready to use anywhere.

• Wide monitoring frequency band, covering both audible sound and ultrasound.

• Fast and stable imaging without ghosting. Equipped with infrared thermal imaging temperature measurement as standard.

IV. Technical Parameters

Acoustic imaging parameters
Sensor typeMEMS digital microphone
Sensor sensitivity-26±1 dBFS
Number of sensor channels138 channels
Frequency range2 kHz~100 kHz
Detection distance0.3 m~150 m
Imaging frame rate30 FPS
Scanning accuracy≤1°
Positioning error≤1 cm @ 1 m, 40 kHz
Sound pressure level measurement sensitivity10 kHz: 2 dB SPL; 20 kHz: -5 dB SPL; 40 kHz: -8 dB SPL; 60 kHz: -5 dB SPL; 80 kHz: 25 dB SPL; 100 kHz: 35 dB SPL
Leak measurement sensitivity≤0.05 L/min @ 10 m, 1.2 bar
Infrared thermal imaging parameters
Sensor typeUncooled vanadium oxide (VOx)
Detector resolution640×512
Pixel size12 μm
Response band8~14 μm
NETD (noise equivalent temperature difference)≤40 mK (@25 °C, F#=1.0)
Temperature measurement range-20 °C~150 °C and 100 °C~550 °C
Temperature measurement accuracy±2 °C or ±2% of reading, whichever is greater
Spatial resolution0.8 mrad
Focal length15 mm
Field of view29.3°(H)×23.4°(V), 37.5°(D)
Frame rate30 Hz

Common measurement and system parameters

Measurement modesSupports partial discharge measurement, leakage measurement and abnormal sound measurement modes
Gas leak estimationSupports leak rate and leak loss estimation
Partial discharge type identificationSupports tip, surface, floating and noise type identification
PRPD patternSupports real-time PRPD plotting
Voiceprint patternSupports spectrum and time-frequency spectrum plots
Data analysisSupports on-device analysis and report generation
Distance measurementSupports high-precision laser ranging
Temperature analysis objectSupports user-defined point, line, area and temperature difference measurement
Temperature alarmSupports
Visible camera - FOV72°±3°
Visible camera - focal lengthFixed focus 3.9 mm
Visible camera - pixel13 MP
Image resolution3840×2160; 1920×1080
Video resolution1920×1080
Video frame rate30 FPS
Storage capacity128 GB Micro SD card as standard
File annotationSupports text, voice, image and label annotation
Screen size5-inch LCD
Screen resolution1280×720
Touchscreen typeCapacitive
Screen brightness adjustmentSupports manual and automatic adjustment
Digital zoomSupports 1/2/4/8×
Image frame rate30 FPS
Acoustic field modeSupports sound field cloud map and sound source marking
Imaging rangeSupports full screen and center area, with adjustable area size
Acoustic field colorSupports rainbow, iron red, white heat and other palettes
Infrared pseudo-colorSupports 15 modes including white heat, black heat, fusion 1, rainbow, fusion 2, iron red 1 and iron red 2
Dimensions333 mm × 152 mm × 115 mm
Weight<1.2 kg
Battery capacity≥4500 mAh, 7.2 V
Power adapterType-C interface, supports PD fast charging protocol
Charging methodUSB Type-C or dock charging
SD card interfaceSupports Micro SD card hot-swap, expandable capacity
Fill lightSupports
Laser ranging0.1~20 m
Electronic compassSupports
ButtonsTrigger, laser ranging, fill light, user-defined button
WIFISupports IEEE 802.11a/b/g/n/ac 2.4G & 5G
BluetoothBT 4.2
Cloud serviceSupports data upload to the cloud
Offline analysisSupports data export to offline analysis software
System upgradeSupports local upgrade and OTA upgrade
File transferSupports file transfer via USB, WIFI and Bluetooth
Device sleepSupports
Audio monitoringSupports audio monitoring via Bluetooth headset
Working temperature-20 °C ~ +55 °C
Storage temperature-40 °C ~ +85 °C
Working humidity10% ~ 95%, non-condensing
Protection levelNot less than IP54
Tripod interfaceSupports UNC 1/4-20 interface for tripod connection
System languagesSupports Simplified Chinese, Traditional Chinese, English, Russian, Spanish, German, French, Thai, Italian, Turkish, etc.
The video is currently in production, please stay tuned......
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