Description
Overview
The UT568B is a 138-microphone acoustic imaging camera that shows you sound. It maps ultrasonic and audible noise from 2 kHz to 100 kHz onto a live 13 MP camera image at 25 frames per second, so a compressed-air leak, a vacuum leak, or partial discharge appears as a coloured hotspot you can point to from several metres away.
A 4.3 in touchscreen, on-screen analysis, laser rangefinder, and single/multi/hologram imaging modes make it quick to locate and document a source. The IP54 body, Wi-Fi and Bluetooth, and voice control suit plant walkdowns; results save as JPEG images and MP4 video. It's backed by UNI-T's nearly 40 years of test-meter manufacturing.
Key Features
- 138-channel digital MEMS microphone array
- 2 kHz to 100 kHz frequency range (audible to ultrasonic)
- Real-time acoustic overlay on a 13 MP camera image at 25 FPS
- Detects compressed-air and vacuum leaks and partial discharge
- Laser rangefinder; detection distance 0.3 m to 150 m
- 4.3 in touchscreen; on-screen analyzer; single/multi/hologram modes
- IP54 body; Wi-Fi, Bluetooth, and voice control
- JPEG image and MP4 video capture to 128 GB SD
UT568B Details
See Sound with a 138-Mic Array
An array of 138 digital MEMS microphones triangulates where a sound originates and overlays it as a colour map on the camera image — turning an inspection you'd do by ear into a picture you can point to, document, and share.
Leak & Partial-Discharge Detection
Covering 2 kHz to 100 kHz, the UT568B picks up the ultrasonic signatures of compressed-air and vacuum leaks and of electrical partial discharge — failures that are inaudible or hard to localize by ear, found from a safe standoff distance.
Locate from a Distance
A laser rangefinder and a 0.3 m–150 m detection range let you scan equipment, piping, and switchgear from the ground or a walkway, while single, multi, and hologram imaging modes suit different inspection tasks.
Document & Field Use
A 4.3 in touchscreen with on-screen analysis, JPEG and MP4 capture to a 128 GB card, Wi-Fi and Bluetooth transfer, and voice control make the UT568B quick to use and easy to report from on a plant walkdown.
Applications
Compressed-air and vacuum leak surveys in plants and utilities; partial-discharge inspection on switchgear and high-voltage equipment; energy-loss audits; and predictive-maintenance walkdowns where finding a source by ear is slow or unsafe.
Frequently Asked Questions
What does an acoustic imaging camera do?
It uses a microphone array to locate sound and overlays it as a colour map on a camera image, so leaks and discharge appear as visible hotspots.
What can the UT568B detect?
Compressed-air and vacuum leaks and electrical partial discharge, across a 2 kHz–100 kHz range.
How far away can it detect a source?
From about 0.3 m to 150 m, with a laser rangefinder to gauge distance.
Specifications
| Frequency Range | 2 kHz - 100 kHz |
| Interface | USB-Type-C |
| Data Storage | 128GB SD card |
| Display Type | LCD |
| Display Size | 4.3in |
| Weight | 1.35 kg |
| IP Rating | IP54 |
| Dimensions | 163 × 286 × 140 mm |
| Bluetooth App | Yes |
| Battery Life | approx 3h |
| Ambient Temperature Range | -20 °C - 50 °C |
| Touch Screen | Yes |
| Sample Rate | 200 kHz |
| Refresh Rate | 25FPS |
| WiFi | Yes |
| Languages | English, Simplified Chinese |
| Voice Control | Yes |
| Field of View | 60° × 40° |
| Image Modes | Single, Multi, Hologram |
| Image Format | JPEG |
| Video Format | MP4 |
| Video Recording | Yes |
| Laser LRF | Yes |
| Pipeline Diameter | 0.3 - 150m detection distance |
| Acoustic Sensor | High sensitivity digital MEMS microphones |
| On Screen Analyzer | Yes |
| Digital Camera | 13MP |
Documentation
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