Handheld Imager

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Handheld Imager
Details
The handheld imager is built around the HVT901 platform for acoustic imaging of gas leaks, partial discharge, and abnormal equipment sound. A 136-microphone digital array overlays sound-source intensity on the visible image.
Category
High Voltage Insulation Tester
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Description

Products Description

Our handheld imager uses beamforming to turn acoustic-source distribution into a real-time color map. The unit supports gas-leak and partial-discharge modes together with photo, video, and data functions.

 

Technical Principle

Electromagnetic induction transfers energy between isolated windings at the specified voltage ratio. The magnetic core guides flux, while the insulation and cooling structure maintain dielectric strength and temperature rise within design limits.

product-800-800

 

Product Features

The handheld imager turns inaudible or complex sound fields into a clear on-screen location map. One instrument covers gas leakage, partial discharge, temperature, and mechanical-noise tasks. A large microphone array supports long-range sound-source localization. Photo, video, Wi-Fi, Bluetooth, USB-C, and HDMI simplify evidence capture and sharing.

 

Operating Conditions

The product shall be installed and operated within the ratings stated in the technical parameters. Key site requirements include: frequency range, environment, and reporting needs.. Keep the installation area clean, adequately ventilated, free from corrosive gas and severe vibration, and provide the specified grounding, clearance, and power quality.

product-760-760

 

Product Parameters

Parameter

Details

Microphone array

136 digital silicon microphones

Frequency bandwidth

0-96 kHz

Detection distance

0.3-150 m

Minimum detectable leak

0.078 mL/s at 0.5 m and 0.6 MPa; 0.122 mL/s at 1 m and 0.5 MPa

Microphone sampling

192 kHz

Visible image

2688×1944 maximum; 6.4 mm lens; 50.2°×35.4° field of view

Display

4.3-inch 800×480 capacitive touch screen

Storage / battery

64 GB / rechargeable lithium battery, 2 h operation

Environment / protection

-20°C to +50°C; ≤95% RH; IP54; 1.2 m drop rating

Weight / size

<1.2 kg / 310.4×165×117 mm

 

Product Advantages

  • The handheld imager turns inaudible or complex sound fields into a clear on-screen location map.
  • One instrument covers gas leakage, partial discharge, temperature, and mechanical-noise tasks.
  • A large microphone array supports long-range sound-source localization.
  • Photo, video, Wi-Fi, Bluetooth, USB-C, and HDMI simplify evidence capture and sharing.

 

Main Applications

The handheld imager is used for power inspection, pressurized-gas systems, vacuum equipment, mechanical diagnosis, and industrial maintenance.

It supports substations, petrochemical plants, mines, rail systems, and manufacturing facilities.

The instrument helps technicians locate leaks or discharge sources without direct contact.

 

Components

Part

Function

136-microphone array

Captures spatial acoustic data for beamforming.

Visible camera

Provides the scene image for sound-map overlay.

Touch-screen processor

Runs detection modes, analysis, storage, and display.

Battery and interfaces

Support portable use, charging, transfer, and video output.

 

FAQ

Q: What information is needed for model selection?

A: Provide the target fault, expected distance, pressure, frequency range, environment, and reporting needs.

Q: What should be checked before installation?

A: Keep the microphone array unobstructed and account for wind, reflections, background noise, and safe clearance.

Q: How can the device or system be integrated?

A: Wi-Fi, Bluetooth, USB-C, HDMI, photos, and MP4 video support field documentation and transfer.

Q: Which options should be confirmed before production?

A: Confirm accessories, batteries, case, infrared option, language needs, and data-workflow requirements.

 

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