Hear the Fault. See the Heat. One Pass.
SepcoTech supplies the Hertzinno acoustic + thermal cameras, including the ATEX-certified HA3TX, the HA3T and the HZ-HA-271P. They fuse sound localization with a 640×512 infrared sensor in a single handheld, so a crew can find partial discharge by its sound and confirm the hot-spot by its heat, and diagnose a failing bearing, without changing tools. Built for switchboards, HV electrical and engine-room machinery, and, with the HA3TX, the classified zones of a gas carrier.
Acoustic Imaging Fused with Infrared Thermography
A plain acoustic camera tells you where a fault is by the sound it makes. A thermal camera tells you how hot something is getting. The Hertzinno acoustic + thermal models carry both at once: the 144-channel MEMS array locates partial discharge, a gas leak or a bad bearing acoustically, while an uncooled 640×512 infrared sensor images the temperature of the very same scene, as published by Hertzinno.
That dual view is what makes it a single-pass inspection. The camera detects both capacitive faults (which arc and crackle in the ultrasound) and resistive faults (which simply run hot), so a loose, loaded or degrading connection shows up whichever way it is failing. SepcoTech supplies and supports the range as part of our inspection portfolio: camera, configuration advice and after-sales support from one partner.
- Acoustic localization and infrared thermography in one handheld
- Detects both capacitive (arcing) and resistive (overheating) faults
- PD · Leak · Mechanical modes, with PRPD AI discharge typing
- On-device, PC and cloud analysis: report built in the field
Find the Discharge by Sound, Confirm the Hot-Spot by Heat
Electrical faults fail in two ways: some arc and crackle in the ultrasound, some just run hot. A fused acoustic-and-thermal camera catches both in one image, on one pass.
Two sensors on the same fault, at the same time
Scan an energised switchboard and the acoustic array pinpoints any partial discharge by its ultrasonic signature, while the 640×512 infrared sensor reads the temperature of the same connection. A capacitive fault shows in the sound; a resistive fault shows in the heat. The on-device PRPD AI classifies the discharge type (corona, surface, floating or particle noise), so you leave with a diagnosis, not just an alarm.
- Locates PD acoustically and the hot-spot thermally in one shot
- Detects both capacitive (arcing) and resistive (hot) faults
- PRPD AI types the discharge: corona / surface / floating / noise
A typed fault, not a hunch: recorded on the spot
The PD signature is resolved against the AC phase so the camera can name the discharge mechanism and track it over time. Take the photo, run one-click on-device analysis, add voice and text notes, and the inspection record is built in the field, exported by Wi-Fi or USB-C, with PC and cloud analysis to follow.
- Phase-resolved (PRPD) analysis for condition trending
- 13 MP optical camera with 4K/1080P photo and 1080p video
- On-device + PC + cloud analysis and report export
Hear the bearing, and see it heat up
In a noisy engine room the camera isolates the one sound that has changed on a pump, compressor or gearbox, while the thermal sensor watches the same component for the temperature rise that goes with friction and misalignment. Mechanical mode locates the abnormal source so worn bearings, misalignment and poor lubrication are caught while they are still cheap to fix.
- Pinpoints the faulty component in a wall of noise
- Thermal confirmation of friction and overload hot-spots
- Cuts unplanned downtime and breakdown cost
The fault you can hear and the fault you can see, caught in the same sweep.
Aboard ship the worst electrical and mechanical faults hide in plain sight: an arcing connection on a switchboard, a connection running hot, a bearing on the way out. A fused acoustic-and-thermal camera surfaces all of them on one inspection: no second tool, no second visit.
HA3T & HZ-HA-271P: Acoustic + Thermal
Three fused acoustic-and-thermal handhelds: the ATEX-certified HA3TX for classified zones, the HA3T, and the long-endurance HZ-HA-271P for extended inspection routes. Add any to your quote. All figures as published by Hertzinno.
HA3TX: ATEX Acoustic + Thermal Camera
The HA3T's capability, a 144-channel MEMS array fused with an uncooled 640×512 infrared sensor (NETD ≤40 mK), carried into classified hazardous areas. The HA3TX is the ATEX intrinsically-safe member of the acoustic + thermal range (Ex ib IIC T4 Gb & Ex ib IIIC T130 °C Db), so partial-discharge, gas-leak, mechanical and thermal inspection can be run in Zone 1 and Zone 2, the cargo decks, manifolds and gas-handling spaces of an LNG or LPG carrier, without swapping to a safe-area tool.
- ATEX intrinsically-safe (Ex ib IIC T4 Gb & Ex ib IIIC T130 °C Db): Zone 1 & 2
- 640×512 thermal fused with 144-MEMS acoustic imaging
- Detects both capacitive (arcing) and resistive (overheating) faults
- Acoustic array144 MEMS
- Frequency2–150 kHz
- Localization±1° · ≤1 cm @ 1 m
- IR resolution640×512 · NETD ≤40 mK
- ModesPD · Leak · Mech · Thermal
- ATEXEx ib IIC T4 Gb / IIIC T130 °C
- Display5-inch 1920×1080
- Weight<1.2 kg · IP54
Full specifications ⌄
| Modes | Partial Discharge · Gas Leak · Mechanical · Thermal |
| Microphone array | 144 MEMS |
| Frequency range | 2 kHz – 150 kHz |
| Dynamic range | −30 to 120 dB |
| Localization | ±1° · ≤1 cm @ 1 m @ 40 kHz |
| Operating distance | 0.3 – 200 m |
| PD type recognition | Noise (particle) · Corona · Surface · Floating, via PRPD AI |
| Gas-leak sensitivity | > 0.0032 L/min at 2.5 m |
| Thermal imaging | |
| IR detector | Uncooled VOx microbolometer |
| IR resolution | 640 × 512 |
| Thermal sensitivity (NETD) | ≤40 mK (@ 25 °C, F#1.0) |
| Pixel pitch | 12 μm |
| Spectral band | 8 – 14 μm |
| Temperature ranges | −20 to 150 °C · 100 to 550 °C |
| Temperature accuracy | ±2 °C or ±2 % of reading (whichever greater) |
| Hazardous-area & build | |
| ATEX | Ex ib IIC T4 Gb & Ex ib IIIC T130 °C Db |
| Ingress | IP54 |
| Display | 5-inch 1920 × 1080 touchscreen |
| Optical camera | 13 MP · FOV 72° · 4K/1080P photo · 1080p video |
| Storage | 128 GB |
| Wireless | Wi-Fi 802.11 a/b/g/n/ac (2.4/5 GHz) · Bluetooth 4.2 |
| Battery | Li-Ion rechargeable + spare · USB-C PD fast charge |
| Weight & size | < 1.2 kg · 333 × 152 × 115 mm |
| Working temperature | −20 to 55 °C |
| Analysis | On-device + PC + cloud |
| IMPA | On request |
HA3T: Handheld Acoustic + Thermal Camera
The third-generation HA3 platform with a fused thermal sensor. A 144-channel MEMS array (2 kHz–130 kHz) localizes the fault to ≤1 cm at 1 m, while an uncooled 640×512 infrared sensor (NETD ≤40 mK) images the heat of the same scene. PRPD AI types the discharge, a Class II laser rangefinder measures distance, and the 5-inch 1920×1080 touchscreen drives one-click on-device analysis, all in a sub-1.2 kg, IP54 handheld.
- Detects both capacitive (arcing) and resistive (overheating) faults
- Acoustic imaging + infrared thermography in one device
- High-precision laser ranging; Bluetooth data + headset listening
- Acoustic array144 MEMS
- Frequency2–130 kHz
- Localization±1° · ≤1 cm @ 1 m
- IR resolution640×512
- Thermal NETD≤40 mK
- Display5-inch 1920×1080
- Laser rangefinderClass II · 0.1–30 m
- Weight<1.2 kg · IP54
Full specifications ⌄
| Modes | Partial Discharge · Gas Leak · Mechanical |
| Microphone array | 144 MEMS |
| Frequency range | 2 kHz – 130 kHz |
| Dynamic range | −30 to 120 dB |
| Localization | ±1° · ≤1 cm @ 1 m @ 40 kHz |
| Operating distance | 0.3 – 210 m |
| PD type recognition | Noise (particle) · Corona · Surface · Floating, via PRPD AI |
| Gas-leak sensitivity | > 0.0032 L/min at 2.5 m |
| Thermal imaging | |
| IR detector | Uncooled VOx microbolometer |
| IR resolution | 640 × 512 |
| Thermal sensitivity (NETD) | ≤40 mK (@ 25 °C, F#1.0) |
| Pixel pitch | 12 μm |
| Spectral band | 8 – 14 μm |
| IFOV | 0.8 mrad |
| Temperature ranges | −20 to 150 °C · 100 to 550 °C |
| Temperature accuracy | ±2 °C or ±2 % of reading (whichever greater) |
| Optical & display | |
| Optical camera | 13 MP · FOV 72° · 4K/1080P photo · 1×/2×/4×/8× zoom · 1080p video @ 30/60 fps |
| Display | 5-inch 1920 × 1080 touchscreen |
| Laser rangefinder | Class II · 0.1 – 30 m |
| LED light | 1 W |
| System, power & build | |
| Storage | 128 GB microSD |
| Annotations | Text / voice / photo / tag notes · E-compass |
| Wireless | Wi-Fi 802.11 a/b/g/n/ac (2.4/5 GHz) · Bluetooth 4.2 |
| Connectivity / charge | USB-C · PD fast charge 2.5 h (10→90%) |
| Battery | Li-Ion removable + spare |
| Operation | ~4 h operation / 8 h standby |
| Analysis | On-device + PC + cloud |
| Ingress | IP54 |
| Weight | < 1.2 kg |
| Dimensions | 333 × 152 × 115 mm |
| Working temperature | −20 to 55 °C |
| IMPA | On request |
HZ-HA-271P: Acoustic + Thermal, Long Battery
The acoustic + thermal model built for long inspection routes. It pairs a 128-channel MEMS array (2 kHz–100 kHz) with the same 640×512 infrared sensor and a 13 MP optical camera, on a 5-inch 720P touchscreen. A replaceable battery gives up to 7 hours of operation, so a full round of switchboards and machinery can be covered on one charge. No laser rangefinder and no Bluetooth; ~1100 g.
- PD + 640×512 IR with extended single-battery endurance
- Replaceable battery: up to 7 hours of operation for long routes
- PD · Leak · Mechanical modes in one handheld
- Acoustic array128 MEMS
- Frequency2–100 kHz
- IR sensor640×512
- ModesPD · Leak · Mechanical
- BatteryReplaceable · up to 7 h
- Display5-inch 720P
- Laser rangefinderNot fitted
- Weight~1100 g
Full specifications ⌄
| Modes | Partial Discharge · Gas Leak · Mechanical |
| Microphone array | 128 MEMS |
| Frequency range | 2 kHz – 100 kHz |
| Frame rate | 30 fps |
| Dynamic range | −30 to 120 dB |
| Operating distance | 0.3 – 200 m |
| IR sensor | 640 × 512 thermal |
| Optical camera | 13 MP |
| Display | 5-inch 720P touchscreen |
| Laser rangefinder | Not fitted |
| Storage | 64 GB |
| Wireless | Wi-Fi (no Bluetooth) |
| Battery | Replaceable · up to 7 h operation |
| Weight | ~1100 g |
| ATEX | On request (not stated for this model) |
| IMPA | On request |
ATEX is not stated for the HZ-HA-271P and is shown as on request; exact specifications are confirmed per camera at quotation.
The Camera, Working
Footage published by Hertzinno: an acoustic inspection on an oil & gas site, showing the camera locating a fault by sound in the field.
Acoustic + Thermal Cameras: Common Questions
New to acoustic imaging? Our guide explains how it works and where each mode is used.
What does an acoustic + thermal camera add over a plain acoustic camera?
What is the thermal resolution and sensitivity of the HA3T?
How does the HZ-HA-271P differ from the HA3T?
Is the HZ-HA-271P ATEX-certified?
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