Unit UT568A Bedienungsanleitung
2022/
XXXXXXX
12/02 0
Acoustic Imager
UT568A Acoustic Imager User Manual
Warranty and Calibration
Within two years from the purchase date of this product, Uni-Trend will provide
free warranty service for the abnormal or fault caused by product quality
problems. This free warranty service does not apply to problems caused by
improper use and drop.
In case of product failure caused by improper use or accidental drop, Uni-Trend
promises to provide maintenance service at cost price.
The product has been calibrated before leaving the factory. However, in the
process of long-term use, it is recommended to send the product to the
manufacturer every 2 years for calibration, detection and maintenance.
Introduction
The acoustic imager supports ultrasonic frequency band. The product uses the
microphone array beamforming technology to acquire the distribution data of
sound sources, and collects videos and images in real time with the HD camera.
By fusing the distribution data of sound sources with videos and images, the
changing sound sources are dynamically shown on the display.
The acoustic imager can quickly detect possible pressurized gas leaks and
vacuum leaks on noisy industrial sites. When the product is used in power
system, it can rapidly identify potential partial discharge fault points.
The acoustic imager's housing is all aluminum alloys. So the product is rugged
and can be used in complex and changeable operating environments.
The product is easy to operate. Most test requirements can be satisfied only by
adjusting its frequency range and dynamic range. The product has image and
video modes for data recording. It can be inserted into a large-capacity TF card
to save and export the test results.
Safety Information
To prevent possible fire or personal injury:
zPlease read the safety information carefully before using the
product.
zUse the product only for the purpose specified.
zDo not disassemble the product without permission.
zPlease stop using the product if it is faulty or abnormally hot.
zPlease contact the manufacturer to maintain the product.
zDo not put the product near heat sources and flame or store it in
high temperature environments.
1
zDo not charge the product at a high temperature (exceeds 45ȭ).
zPlease stop using the built-in lithium battery if it leaks.
zIf the leakage gets into eyes, rinse with water and seek medical
attention immediately.
zIf the leakage gets on the skin, rinse immediately with water.
Terminologies
USB Power Delivery (USB PD):
USB PD is a power transfer protocol based on USB3.1 that can transmit higher
power via USB interface.
Sound pressure level (SPL):
A physical quantity used to express the size of a sound wave. Its unit is decibels
(dB). Generally, it can be represented by dB SPL.
Audible frequency range:
The range (20Hz to 20kHz) that human ear can perceive sounds.
Ultrasound:
Ultrasound generally refers to the sound with a frequency higher than 20kHz
that cannot be perceived by human ears.
Acoustic image:
Acoustic image refers to the two-dimensional data table that represents the
intensity distribution of sound sources in the spatial plane after the signal
collected by the microphone array is calculated by the sound source location
algorithm.
Color palette:
Color palette is the color data used by the cloud image for color mapping.
Acoustic cloud image:
The SPL data of each resolution point on the acoustic image is mapped to a
certain color number on the color palette according to the conversion formula
to form a color image, which is then fused with the visible image to form an
image.
Test spectrum range:
After selecting a frequency range supported by the product, the product will only
measure and display the acoustic cloud images within the frequency range, and
the sound outside the range will not be displayed.
Frequency spike:
Spike in the spectrum graph that indicates a significant source of sound in this
specific frequency.
Dynamic range:
Dynamic range is the scale of the sound source intensity that can be displayed
on an acoustic image.
Field of view:
For a camera, field of view refers to the angle formed by two diagonal points
2
and the camera in the rectangular picture that the camera can shoot.
For an acoustic image, field of view refers to the angle formed by the two
diagonal points and the center point of the microphone array in the imaging
rectangular picture.
Product and Accessories
Appearance Name Description
Acoustic imager The product
Hand strap A hand strap that makes the product
easy to hold
Shoulder strap A shoulder strap that makes the
product easy to hold
Charger A power adapter for charging the
product
Charging cable A cable for charging the product
Portable power
source
A backup power supply for the
product
Earphones Connect the product to monitor
ultrasound
Protective case A protective case for storing the
product and its accessories
Battery and Charging
Battery:
Built-in lithium battery with nominal capacity of [email protected]
To charge the product:
Charge the product via the USB Type-C interface (with the icon ).The
product supports USB PD fast charge protocol. It is recommended to use a
power adapter or mobile power supply that supports 12V to 20V output with a
minimum output power of at least 15W to charge the product.
Instructions for charging and battery life:
1) If the charging indicator is on after the charger is plugged in, it indicates that
3
the product is being charged. If the indicator is off, the product is fully
charged. Turn off the product before charging it.
2) When the battery is fully charged, the product displays 4 bars of power,
which can be used for about 4 hours (3 bars: 2.5 to 3 hours; 2 bars: 1.5 to
2 hours; 1 bar: half an hour to an hour).
3) When the product prompts that the battery is too low, charge it in time.
To use the product safely:
Do not putthe product near heat sources and flame or use it in high
temperature environments.
Do not put or use the product in sunlight for a long time.
Do not disassemble the product without permission.
Do not charge the product at a high temperature (exceeds 45℃).
Please stop using the product if it is faulty or abnormal.
Please contact the manufacturer to maintain the product.
To extend the battery life:
Do not charge the product for more than 24 hours.
If the product is not used for a long time, please charge the battery regularly.
Store the battery at -20℃to 40℃.
Note: If the battery capacity is low, contact the manufacturer to replace it.
Do not disassemble the product.
4
Features/Buttons
5
Power button Function button
TF card
USB Type-C communication interface
USB Type-C fast charge interface
Earphone jack
Charging indicator
Read Data in TF Card
Cautions for using the TF card:
Do not insert or remove the TF card when recording videos.
When taking images and recording videos, insert and remove the TF card
after the data is saved successfully.
Do not insert or remove the TF card when browsing and annotating data in
the playback menu.
When reading TF card data on the PC, do not modify the names of files and
folders in the TF card; otherwise, the test data may not be correctly
6
三脚架
7
identified and displayed in the playback menu.
Tripod Fixation (
Tripod Fixation
Optional)
Installation and Adjustment of Hand Strap/Shoulder Strap
②
①
③
③
①
②
Threaded hole
Main Interface
Battery status
Frequency range of spectrum
8
Video area Operating mode Date and time
Function menu
Slider for adjusting dynamic range
Color palette
9
Function Menu
To view the function menu, tap a finger on the video area.
Tap anywhere on the display outside the menu or do not operate the
product for a long time to hide the menu.
In the function menu, from left to right:
Steady/transient mode Image/video mode Playback Acoustic testing
Image settings System settings
Partial discharge pattern
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