Handheld Acoustic Camera for Gas Leak & Partial Discharge Detection

Handheld Acoustic Camera Options

Choose the right handheld acoustic camera for field inspection

HA3, HA3LX and HA3T are industrial handheld acoustic cameras built on a 144-channel digital MEMS microphone array. HA3 is the standard acoustic imaging model for gas leak and partial discharge inspection. HA3LX adds TDLAS methane detection for methane leak confirmation, while HA3T adds infrared thermal imaging for acoustic-thermal inspection.

Standard Acoustic

HA3 Handheld Acoustic Camera

HA3 is the standard handheld acoustic imaging camera for industrial leak detection, compressed air leak inspection, partial discharge detection, corona discharge localization and abnormal sound source visualization.

Core Sensors: 144 low-noise digital MEMS microphones.
Acoustic Imaging: Visualizes ultrasonic sound sources in real time.
Typical Applications: Compressed air leak detection, gas leak inspection, partial discharge and abnormal sound localization.
Best Fit: General industrial maintenance, power inspection and energy-saving leak surveys.

Methane + Acoustic

HA3LX Handheld Acoustic & Methane Laser Camera

HA3LX integrates acoustic imaging with Tunable Diode Laser Absorption Spectroscopy for methane-related leak localization, verification and quantification in complex industrial environments.

Core Sensors: 144 low-noise MEMS microphones and methane laser sensor.
Methane Quantification: Non-contact real-time measurement with 5 ppm·m static detection limit and up to 30 m methane detection distance.
Dual Detection: Locate ultrasonic leak sources acoustically, then verify methane presence at the leak point.
Safety Compliance: ATEX anti-explosion certified for hazardous industrial applications.

Acoustic + Thermal

HA3T Handheld Acoustic & Thermal Camera

HA3T combines high-resolution acoustic source localization with infrared thermal imaging, helping users analyze partial discharge, gas leaks, mechanical anomalies and thermal defects in one inspection workflow.

Core Sensors: 144 low-noise MEMS microphones with 640 × 512 infrared thermal imaging.
Thermal Capability: 8–14 μm LWIR spectral range with NETD ≤ 40 mK.
Temperature Range: Supports -20°C to 150°C and 100°C to 550°C measurement ranges.
PD Analysis: Supports partial discharge type analysis with real-time acoustic localization.

On-device Diagnostics

Inspection, analysis and reporting directly on the device

The handheld acoustic camera platform supports real-time visualization, on-device analysis, file annotation and report generation to simplify field inspection workflows.

High-definition Interface

5-inch touch screen with 1920 × 1080P display, 13MP optical camera image display and up to 4K photo resolution.

Real-time Analytics

Supports one-click analysis, one-click forwarding and real-time analysis report generation directly on the device.

Data Management

Supports text, voice, photo and tag annotations, with export options through Wi-Fi, Bluetooth or USB Type-C.

Technical Specifications

HA3 vs HA3LX vs HA3T specification comparison

Compare the three handheld acoustic camera models by microphone array, acoustic performance, optical imaging, specialized sensor, protection level and field inspection capability.

Specification	HA3 Standard Acoustic Model	HA3LX Methane Laser Model	HA3T Thermal Model
Product Positioning	Standard handheld acoustic imaging camera for leak detection and PD inspection.	Acoustic imaging + methane laser verification for methane-related leak inspection.	Acoustic imaging + thermal imaging for multi-modal inspection.
Microphones	144 digital MEMS microphones	144 digital MEMS microphones	144 digital MEMS microphones
Frequency Bandwidth	2 kHz – 150 kHz	2 kHz – 150 kHz	2 kHz – 150 kHz
Operating Distance	0.3 m – 200 m	0.3 m – 200 m	0.3 m – 200 m
Optical Camera	13MP, 72° ± 3° FOV	13MP, 72° ± 3° FOV	13MP, 72° ± 3° FOV
Display	5-inch touch screen, 1920 × 1080P	5-inch touch screen, 1920 × 1080P	5-inch touch screen, 1920 × 1080P
Specialized Sensor	Standard acoustic imaging configuration	TDLAS methane sensor, 0 to 50,000 ppm·m	640 × 512 uncooled vanadium oxide infrared lens
Laser Distance Measurement	0.1 m – 35 m	0.1 m – 35 m	0.1 m – 35 m, ±1 mm
Protection Level	IP54	IP54, ATEX anti-explosion certified	IP54
Weight	Less than 1.2 kg	Less than 1.2 kg	Less than 1.2 kg
Best-fit Applications	Compressed air leak detection, gas leak localization, partial discharge and abnormal sound inspection.	Methane leak localization and verification in oil, gas, LNG and hazardous environments.	Electrical rooms, substations, mechanical inspection and thermal anomaly verification.
Battery & Charging	Li-ion battery, PD fast charging	Li-ion battery, PD fast charging, approx. 2.5 h to 90%	Li-ion battery, up to 7 h operation, PD fast charging

Selection tip: Choose HA3 for general acoustic imaging inspection, compressed air leak surveys and partial discharge localization. Choose HA3LX when methane verification is required in oil, gas, LNG or hazardous environments. Choose HA3T when acoustic inspection needs to be combined with thermal imaging for electrical, mechanical or abnormal heating verification.

Selection tip: Choose HA3LX when methane leak verification is required in oil, gas, LNG or hazardous environments. Choose HA3T when acoustic inspection needs to be combined with thermal imaging for electrical rooms, substations, mechanical inspection or abnormal heating verification.

Acoustic Imaging Camera FAQ

Common questions about acoustic cameras for gas leak detection, partial discharge inspection, methane verification, thermal imaging and fixed online monitoring.

What is an acoustic imaging camera?

An acoustic imaging camera uses a microphone array to locate sound sources and display them as a visual sound map. It helps engineers find invisible faults such as gas leaks, partial discharge and abnormal mechanical noise.

What can HERTZINNO acoustic cameras detect?

HERTZINNO acoustic cameras can help detect pressurized gas leaks, compressed air leaks, partial discharge, corona, tracking, mechanical noise, abnormal equipment sound and methane-related leak risks depending on the selected model.

How do I choose between HA3, HA3T and HA3LX?

Choose HA3 for general acoustic inspection, HA3T when thermal verification is also required, and HA3LX when methane verification is needed in oil, gas or chemical environments.

When should I use a fixed online acoustic camera?

Fixed online acoustic cameras are suitable for unmanned substations, compressor stations, data center electrical rooms, hazardous industrial zones and other sites that need continuous monitoring instead of periodic manual inspection.

Can acoustic cameras work in noisy industrial environments?

Yes. Acoustic cameras analyze frequency features and directional sound sources rather than relying only on audible sound. Models and settings should be selected based on background noise, target frequency range and inspection distance.

Which industries use acoustic imaging cameras?

Common industries include power grids, substations, oil and gas facilities, chemical plants, data centers, manufacturing lines, mining operations, hydrogen systems and critical infrastructure sites.

Portable acoustic imaging for fast field inspection

Find invisible acoustic problems faster

Fast Field Diagnosis

Power Equipment Inspection

Leak Localization

Maintenance Reports

Where handheld acoustic cameras are used

Substation Inspection

Oil & Gas Facilities

Factory Utilities

Choose the right handheld acoustic camera

HA3 Series

HA3T Series

HA3LX

Choose the right handheld acoustic camera for field inspection

HA3 Handheld Acoustic Camera

HA3LX Handheld Acoustic & Methane Laser Camera

HA3T Handheld Acoustic & Thermal Camera

Inspection, analysis and reporting directly on the device

High-definition Interface

Real-time Analytics

Data Management

HA3 vs HA3LX vs HA3T specification comparison

Acoustic Imaging Camera FAQ

What is an acoustic imaging camera?

What can HERTZINNO acoustic cameras detect?

How do I choose between HA3, HA3T and HA3LX?

When should I use a fixed online acoustic camera?

Can acoustic cameras work in noisy industrial environments?

Which industries use acoustic imaging cameras?

Key acoustic imaging applications in real inspection scenarios

Partial Discharge Detection

Gas Leak & Cost Analysis

Mechanical Fault Diagnosis

Other Acoustic Camera

HZ-HA-170P

HZ-HA-270P

HZ-HA-271P

HZ-HA-171P