See the Leak. And Put a Number on It.
The Hertzinno HA3LX locates a pressurised-gas or methane leak by sound from a safe distance, then fires a TDLAS laser at that exact point to quantify the methane in ppm·m. On screen, live, it shows the leak rate in L/min, the estimated annual cost and the carbon mass, and writes the inspection report before you leave the deck. ATEX intrinsically-safe, for the cargo systems of LNG and LPG carriers.
Methane Is Invisible, Silent and Expensive
On a gas carrier the leak you cannot see is cargo, and emissions, going over the side. These are the numbers the HA3LX puts against it, as published by Hertzinno.
Locate It by Sound. Quantify It by Laser. Report It On Site.
Three steps, one handheld: the acoustic array finds the leak, the TDLAS laser measures the methane at that point, and the software turns it into the numbers and the report you walk away with.
Image the escaping gas as sound
Pressurised gas leaving a flange, valve gland or seal makes ultrasound the ear cannot hear. The HA3LX beamforms that sound with 144 MEMS microphones across a 2 kHz–130 kHz band and overlays it on the live camera image, so the source is obvious even across a deck, with no contact and nothing taken offline. Localization is to ±1°, resolving the source to within 1 cm at a metre.
- Detects leaks from as little as 0.0032 L/min at 2.5 m
- Operating distance 0.3–200 m: inspect from where it is safe to stand
- Three on-device modes: gas leak, partial discharge, mechanical
Verify the methane with a laser, in ppm·m
Hertzinno describe the HA3LX as the first-in-industry ATEX-certified acoustic camera to integrate laser methane sensing. Once the array has localised the leak, the TDLAS laser (Class IIIR) is aimed at that exact point and reads the methane concentration, from a 5 ppm·m static detection limit across a 0–50,000 ppm·m range, in 0.2 s, at up to 30 m. Sound tells you where; the laser tells you how much.
- TDLAS principle: measures methane specifically, not "a gas"
- Response time 0.2 s · detecting distance 30 m
- Laser rangefinder 0.1–20 m to fix the measurement geometry
Leak rate, cost and CO₂: then the report, on the spot
The HA3LX converts the find into the figures an operator can act on: the leak rate in L/min, the estimated annual cost of that leak, and its carbon mass (CO₂), all on the 5-inch 1920×1080 touchscreen. One-click on-device analysis then builds the inspection report in the field, with voice, text, photo and tag annotations, exported by Wi-Fi, Bluetooth or USB-C, with PC and cloud analysis to follow.
- Leak rate · estimated annual cost · carbon mass, live on screen
- 13 MP optical camera · 4K/1080P photo · 1080p video
- On-device, PC and cloud analysis from the same file
The on-screen cost and CO₂ figures are indicative estimates the camera derives from user-set inputs (gas price, run-time and emission factor); they are not a guaranteed or independently verified figure.
Two ATEX Cameras for Methane & Gas-Leak Inspection
The HA3LX flagship, acoustic localization plus laser methane quantification, and the HZ-HA-270P, which fuses ultrasonic leak detection with infrared thermography. Add either to your quote.
Hertzinno HA3LX
The flagship of the range, and, as published by Hertzinno, the first-in-industry ATEX-certified acoustic camera to integrate a laser methane sensor. A 144-microphone array localises a pressurised-gas leak by sound; the TDLAS laser then verifies and quantifies the methane at that point in ppm·m. On-screen leak-rate, estimated annual cost and carbon-mass calculation, plus on-site report generation, make it the core tool for LNG and LPG cargo systems.
- Acoustic array localises the leak; TDLAS laser quantifies the methane
- Live leak rate (L/min), estimated annual cost (USD) & carbon mass (CO₂)
- ATEX Ex ib IIC T4 Gb & Ex ib IIIC T130 °C Db · IP54 · <1.2 kg
- Acoustic array144 MEMS
- Frequency2–130 kHz
- Localization±1° · ≤1 cm @ 1 m
- Laser methane5–50,000 ppm·m
- Methane range30 m stand-off
- Gas-leak sensitivity>0.0032 L/min @ 2.5 m
- ATEXEx ib IIC T4 Gb
- Weight<1.2 kg · IP54
Full specifications ⌄
| Acoustic array | 144 MEMS microphones |
| Frequency range | 2 kHz – 130 kHz |
| Dynamic range | −30 to 120 dB |
| Localization | ±1° · ≤1 cm at 1 m (at 40 kHz) |
| Operating distance | 0.3 – 200 m |
| Laser methane sensor | Class IIIR, TDLAS principle |
| Static detection limit | 5 ppm·m |
| Measuring range | 0 – 50,000 ppm·m |
| Laser response time | 0.2 s |
| Methane detecting distance | 30 m (at 80% reflectance, 3000 ppm·m) |
| On-screen calculation | Leak rate (L/min) · estimated annual cost · carbon mass (CO₂) |
| Gas-leak sensitivity | >0.0032 L/min at 2.5 m · >0.0044 L/min at 6 m · >0.049 L/min @120 kPa at 8 m |
| Optical camera | 13 MP · FOV 72° · 4K/1080P photo · 1/2/4/8 zoom · 1080p video @30/60 fps |
| Display | 5-inch 1920×1080 capacitive touchscreen |
| Storage | 128 GB microSD |
| Annotations | Text / voice / photo / tags |
| Connectivity | Wi-Fi 802.11 a/b/g/n/ac (2.4/5 GHz) · Bluetooth 4.2 · E-compass · LED light |
| Power & charging | USB-C, PD fast charge · 2.5 h (10→90%) · Li-Ion removable battery + spare in kit |
| Laser rangefinder | 0.1 – 20 m |
| Ingress | IP54 |
| ATEX | Ex ib IIC T4 Gb & Ex ib IIIC T130 °C Db |
| Modes | Partial Discharge · Gas Leak · Mechanical |
| Analysis | On-device + PC + cloud |
| Weight & size | <1.2 kg · 333 × 152 × 115 mm |
| Working temperature | −20 to 55 °C |
| Package | Camera, USB charger, charging dock, spare battery, carrying case, manual, factory test report, accessory kit |
Hertzinno HZ-HA-270P
A dual-function instrument that combines ultrasonic leak detection with infrared imaging for hazardous-area gas inspection. A 138-microphone array localises the leak by sound while a 640×512 IR sensor adds thermography in the same pass, rugged for harsh environments and ATEX-certified for classified zones. Where the HA3LX adds laser methane quantification, the 270P pairs the acoustic find with a thermal picture.
- Ultrasonic leak detection fused with 640×512 infrared thermography
- ATEX Ex ib IIC T4 Gb & Ex ib IIIC T80 °C Db
- Internal battery: 4 h operation / 8 h standby
- Acoustic array138 MEMS
- Frequency2–100 kHz
- Operating distance0.3–200 m
- Thermal sensor640×512 IR
- ModesPD · Leak · Mechanical
- Battery4 h / 8 h standby
- ATEXEx ib IIC T4 Gb
- Display5-inch 720P
Full specifications ⌄
| Acoustic array | 138 MEMS microphones |
| Frequency range | 2 kHz – 100 kHz |
| Frame rate | 30 fps |
| Dynamic range | −30 to 120 dB |
| Operating distance | 0.3 – 200 m |
| Thermal sensor | 640×512 IR (infrared thermography) |
| Optical camera | 13 MP |
| Display | 5-inch 720P touchscreen |
| Battery | Internal · 4 h operation / 8 h standby |
| Storage | 64 GB |
| Connectivity | Wi-Fi (no Bluetooth) |
| Laser rangefinder | Not fitted |
| ATEX | Ex ib IIC T4 Gb & Ex ib IIIC T80 °C Db |
| Modes | Partial Discharge · Gas Leak · Mechanical |
| Build | Rugged for harsh environments |
The leak you can't see is cargo, and emissions, leaving the ship.
On a gas carrier, boil-off and pressurised-gas leaks are invisible and silent. The HA3LX lets a crew locate the leak by sound from a safe distance, put a methane number on it with the laser, read the leak rate and its cost live, and produce the evidence on the spot, without entering the hazard or taking a system offline.
Part of a Full Gas-Carrier Inspection Regime
Methane and gas-leak imaging is one job a gas carrier already has to do, alongside partial-discharge scanning of the switchboards and mechanical diagnostics in the engine room. The HA3LX and HZ-HA-270P carry the ATEX certification to work the cargo deck and manifolds; the wider Hertzinno range covers the rest of the vessel from the same handheld family.
See how each mode earns its place aboard: cargo containment, manifolds, engine room and switchboards, and how the on-site report fits the inspection records you already keep.
See the full LNG & LPG carrier solution →
The HA3LX, Measuring Methane
Footage published by Hertzinno: the HA3LX reading methane concentration in ppm·m with the integrated TDLAS laser.
Methane & Gas-Leak Cameras: Common Questions
New to acoustic imaging? Our guide explains how it works and where each mode is used, and see how this fits the EU Methane Regulation & LDAR.
How does the camera find a methane or gas leak?
Can the HA3LX measure how much methane is leaking?
Is it safe to use on an LNG or LPG cargo deck?
What is the smallest leak it can detect?
How is the inspection recorded?
Build Your Quote
Add cameras to your quote list as you browse; they'll appear here automatically. Then send everything in one request.
Quote Request Sent!
Thank you. Your selected cameras are on their way to the SepcoTech team. We'll respond within one business day with pricing, configuration notes and availability.