
UT568B Acoustic Imager
UT568B visualizes sound sources in real-time on the screen by overlaying acoustic data onto video images. Simply adjust the frequency and dynamic range to meet most testing needs. Supports photo/video recording and expandable high-capacity data storage for quick analysis.
Product Details
UT568B visualizes sound sources in real-time on the screen by overlaying acoustic data onto video images. Simply adjust the frequency and dynamic range to meet most testing needs. Supports photo/video recording and expandable high-capacity data storage for quick analysis.
Features:
138 high-sensitivity digital MEMS microphones in a spiral array.
Multiple working modes: Partial Discharge (PD) detection, gas leak detection, and abnormal noise detection.
Maximum sound sampling rate: 200kHz.
Imaging frequency range: 2kHz – 100kHz.
Minimum leak detection limits:
At 0.5m distance (0.5MPa): Detects leaks as small as 0.15ml/s.
At 1m distance (0.5MPa): Detects leaks as small as 0.2ml/s.
Localization distance: 0.3m to 150m.
4.3-inch color capacitive touchscreen for taking photos, recording videos, and viewing files.
Text and voice annotations for easy data recording.
Expandable storage: Supports TF cards up to 128GB.
Wireless connectivity: Wi-Fi and Bluetooth supported.
PC Software: Automatically import/export data to view time-domain waveforms, spectrograms, and PRPD (Phase Resolved Partial Discharge) patterns.
Super-hearing function: Heterodynes/down-converts ultrasonic sounds for listening via headphones.
Built-in focusing function: Concentrates the acoustic cloud image into a small area, reducing interference from other background noise.
Adjustable dynamic range for the acoustic cloud size, making it easier to spot smaller leaks.
File management: Create, delete, and switch between testing target folders.
FAQ (English)
Q1: How many microphones does UNI‑T UT568B have?
A1: It adopts 138 spiral‑arranged high‑sensitivity MEMS microphones.
Q2: What is the frequency range and detection distance of UT568B?
A2: Imaging frequency range: 2kHz‑100kHz; detection distance: 0.3m‑150m.
Q3: What main functions does UT568B support?
A3: It supports partial discharge detection, gas leakage detection, PRPD pattern analysis, automatic partial discharge type identification and leakage loss estimation.
Q4: What is the display and storage configuration?
A4: 4.3-inch touch screen; built‑in 128GB storage card, supports photo and video recording.
Q5: What is the protection grade and working temperature?
A5: IP54 protection grade, working ambient temperature: -20℃ ~ 50℃.
Q6: What is the power supply and battery life?
A6: Equipped with replaceable lithium battery, continuous working time is about 3 hours.
Q7: What are the common application scenarios?
A7: Substation partial discharge inspection, high‑voltage line insulator detection, compressed air / gas pipeline leakage test, industrial equipment fault diagnosis, energy storage and rail transit O&M.
Item | Specification |
|---|---|
Model | UT568B |
Microphone Quantity | 138 |
Microphone Type | High-sensitivity digital MEMS microphone |
Microphone Array Layout | Spiral |
Array Surface Size | Approx. 150 mm |
Microphone Sensitivity | -26dBFS@1kHz |
Imaging Sound Pressure Level | Lower limit <20dB SPL, Upper limit >120dB SPL |
Signal-to-Noise Ratio | 64dB@1kHz |
Imaging Frequency Range | 2kHz - 100kHz |
Localization Distance | 0.3 - 150 m |
Imaging Frame Rate | 25FPS |
Display Screen | 4.3-inch color capacitive touch screen |
Camera Field of View | 60°(H) × 40°(V) |
Camera Pixel | 13 MP |
Interfaces | Type-C, TF card, 3.5mm audio jack |
Operating Temperature | -20°C - 50°C |
Drop Resistance | 1 m |
Minimum Detectable Leakage | 0.15 ml/s at 0.5 m / 0.5 MPa; 0.2 ml/s at 1 m / 0.5 MPa |
Sound Sampling Rate | 200 kHz |
Focal Length | 3.4 mm |
Discharge Types Detected | Floating discharge, corona discharge, surface discharge |
Display Modes | Single sound source, multi sound source, sound field distribution |
Auto Gain | Automatically increase sensitivity for weak signals to stabilize imaging of tiny signals |
Threshold Adjustment | Filter background noise |
Photo & Video Recording | Supported |
Wireless Connection | WiFi, Bluetooth |
Communication | USB data transmission, report export |
Annotation | Text, voice |
Data Storage Format | .jpg (image), .wav (audio), .mp4 (video) |
Storage Capacity | 128GB TF card |
Laser Rangefinder | 30 m |
Ultrasonic Listening | Down-convert ultrasonic signal for headphone monitoring |
Focus Function | Concentrate acoustic cloud image in a small area to reduce interference from other noise |
Dynamic Range Adjustment | Adjust cloud image size for easier detection of tiny leaks |
File Management | Create / delete / switch test folders |
Report Software | Offline PC software for automatic report generation; data import & export, time-domain waveform, spectrum and PRPD diagram viewing |
Language | Chinese |
Weight | 1.35 kg |
Dimension | 163 × 286 × 140 mm |
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