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The Science of Dual-Detection: How TDLAS and Acoustic Imaging Revolutionize Methane Leak Discovery

Learn how the HA3LX combines 144 MEMS microphones with TDLAS technology for precise sound localization and methane quantification in industrial environments.
Mar 25th,2026 54 Views

Introduction: From Hearing to Seeing and Measuring

In complex industrial landscapes, methane leaks are more than just lost revenue—they are significant safety and environmental risks. The Hertzinno HA3LX, a third-generation acoustic and laser camera, redefines inspection by moving beyond subjective "listening" to a data-driven "seeing and quantifying" approach.

Stage 1: Precision Localization with 144 MEMS Microphones

The HA3LX utilizes a sophisticated array of 144 low-noise MEMS microphones powered by upgraded AI algorithms.

Wide Frequency Range: It captures signals across a broad bandwidth from 2kHz to 150kHz, ensuring even the smallest ultrasonic leaks are detected.

Real-time Visualization: The system converts complex acoustic data into a live "heat map," allowing operators to pinpoint potential leak sources instantly on a 5-inch touch screen.

Stage 2: Precision Quantification via TDLAS Technology

Once a potential leak is located via sound, the integrated Methane Laser Sensor takes over to provide scientific verification.

The TDLAS Advantage: Utilizing Tunable Diode Laser Absorption Spectroscopy (TDLAS), the HA3LX performs non-contact, real-time measurement of methane concentrations.

Accurate Measurement: The laser module offers a measuring range of 0 to 50,000 ppm*m, providing the quantifiable data needed for environmental compliance and repair prioritization.

Safe Stand-off Distance: With a detection distance of up to 30m, inspectors can quantify leaks from a safe distance, away from hazardous zones.

The Synergy: Why Dual-Detection Matters

This "find-and-verify" workflow significantly boosts industrial efficiency:

Safety First: The device is ATEX certified (Ex ib IIC T4 Gb), making it suitable for hazardous environments like oil and gas facilities.

Unmatched Portability: Weighing less than 1.2kg, it is designed for comfortable, one-handed use during long inspection shifts.

Instant Reporting: With one-click analysis and real-time report generation, data can be exported immediately via Wi-Fi, Bluetooth, or USB.

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