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DL-SP36 Acoustic Camera

An acoustic imager is an instrument that can visualize sound, similar to a thermal imager, which renders colors on pictures or videos to indicate sound intensity. Through array signal processing algorithms (such as Beamforming), it generates the spatial distribution of sound pressure levels, which is superimposed with optical photos in the form of pseudo-color images or contour maps to achieve sound visualization.

Item

Technical Specs

Microphone Channels

136 MEMS digital microphones

Microphone Signal-to-Noise Ratio

64.3dB(A)

Microphone Sensitivity

-26 dBFS(1kHz,94dB SPL)

Acoustic Image Field of View

62°x40°

Measured Sound Pressure Range

30dB(A) ~ 124dB(A）

Sound Sampling Rate

>200 kS/s/ch synchronous sampling

Acoustic Refresh Rate

25 FPS

Imaging Frequency Range

2 kHz - 100 kHz

Localization Modes

Single sound source, multiple sound sources, holography 

Optional Sound Source Signal Characteristics

Moving, stable, transient, weak 

Localization Frequency Band

Supports manual, automatic, and default frequency band modes; bandwidth can be arbitrarily selected

Sound Pressure Level Curve

Real-time display of the measured sound pressure level curve; sound pressure threshold can be set to shield interference signals

Display Screen

5-inch with 1280 x 720 resolution

Visible Light Camera

13 million pixels

Image Format

JPG

Video Format

MP4

Storage Capacity

128GB

Data Export

Data can only be exported to a confidential USB flash drive designated by the user

Built-in Battery Working Time

>5 hours

Dimensions

15cm x 11cm x 8cm

Weight (Including Battery)

<0.85kg

Operating Temperature

-20℃ - 50℃

Operating Humidity

10% - 95%, no condensation 

Language

English

Leakage Estimation

Parameter settings include: system pressure, leak type, gas type, sound pressure level compensation, gas temperature

Multi-point Leakage Mode

Capable of locating multiple leakage points simultaneously and calculating the leakage volume of each point separately

Energy Loss Estimation

Parameter settings include: gas price, currency unit, electricity price, operating time, etc.

Report Generation

Equipped with data export and management software

Sound Data Processing and Analysis Software

Capable of analyzing sound signals from the equipment provided in this project; supports common acoustic post-processing and analysis functions such as power spectrum, octave band, vibration level, sound pressure level, sound power, loudness, sharpness, chromatogram, waterfall plot, and envelope analysis; statistically analyzes leakage sound signal characteristics to form a leakage data set
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