Le HZ-PA-3EX Il s'agit d'une caméra PTZ antidéflagrante intégrée, spécialement conçue pour la détection et la surveillance avancées des fuites de méthane.

. Elle utilise une approche de détection multidimensionnelle, combinant la détection laser du méthane et l'imagerie acoustique haute densité pour identifier les points de fuite précoces et améliorer les taux de détection des défauts dans les environnements dangereux.

Model

HZ-PA-3EX

Product Type

Acoustic & Laser Explosion-proof PTZ Camera

Sensibilité du laser au méthane

5 ppm

Réseau de microphones

MEMS 128 canaux

Bande passante acoustique

2 kHz ~ 65 kHz

Indice de résistance aux explosions

Ex db IIC T6 Gb / Ex tb IIIC T80℃ Db

Niveau de protection

IP 68 (Étanchéité à l'eau et à la poussière)

Pedestal Material

304 stainless steel

GET A QUOTE

Fixed acoustic & thermal camera for continuous online monitoring.

HZ-FA-371T is a fixed acoustic and thermal imaging camera for 24/7 online monitoring of partial discharge, gas leakage, abnormal sound and temperature anomalies. It combines 128 MEMS microphones with 640×512 infrared thermal imaging to support acoustic, infrared and fusion imaging modes. HZ-FA-371T is suitable for substations, gas facilities, industrial plants, energy sites, robots and fixed monitoring points.

128

Digital MEMS microphones for high-density acoustic imaging.

2kHz–65kHz

Wide frequency bandwidth for audible and ultrasonic inspection

640×512 Thermal

Infrared thermal imaging for temperature monitoring and fusion diagnostics.

Leak Rate

0.035 L/min @120 kPa from 0.3 m;
0.067 L/min @300 kPa from 3 m;
0.09 L/min @300 kPa from 5 m

What HZ-FA-371T helps engineers detect

Fixed acoustic imaging for continuous sound source localization in industrial monitoring scenarios.

Acoustic Camera for Partial discharge detected in substations

Applications

Where HZ-FA-371T is used

HZ-FA-371T is designed for fixed 24/7 online acoustic and thermal monitoring where operators need sound source localization, partial discharge detection, gas leak awareness and temperature anomaly monitoring in one system.

Power

Substation Acoustic & Thermal Monitoring

Monitor partial discharge, corona, abnormal electrical sound sources and thermal risks in high-voltage substations, switchyards and fixed grid assets.

Data Center

Electrical & Cooling Room Monitoring

Provide fixed acoustic and thermal monitoring for switchgear rooms, UPS areas, power distribution systems, cooling equipment and cable zones.

Oil & Gas

Gas Leak & Temperature Monitoring

Detect gas leaks, abnormal acoustic sources and temperature changes around valves, flanges, compressors, gas handling zones and process equipment.

Smart Grid

Robot-mounted Inspection

Install the camera on inspection robots for automated acoustic and thermal patrols in substations, plants and unmanned industrial sites.

Manufacturing

Plant Utility Monitoring

Monitor compressed air leaks, mechanical noise, overheating equipment and utility systems in production and maintenance environments.

Product Family

Acoustic Imaging Cameras

Compare HZ-FA-371T with fixed acoustic cameras, handheld acoustic cameras, methane detection cameras and explosion-proof monitoring products.

Fixed acoustic and thermal imaging for continuous monitoring.

HZ-FA-371T captures acoustic signals through a 128-channel MEMS microphone array and temperature information through a 640×512 infrared thermal module. Acoustic imaging algorithms locate sound sources, while infrared imaging identifies temperature anomalies. Fusion imaging helps operators correlate sound-based faults with thermal patterns for more reliable online diagnostics.

HOW IT WORKS

01

Acoustic Capture

128 MEMS microphones capture audible and ultrasonic sound signals from the monitored area.

02

Thermal Imaging

A 640×512 infrared module monitors temperature distribution and abnormal temperature events.

03

Fault Analysis

The system supports partial discharge type prediction, gas leak rate estimation and mechanical noise monitoring.

04

Remote Integration

Monitoring data can be transmitted through Ethernet, HTTP, WebSocket and RTSP for platform integration.

Technical Specifications

Core HZ-FA-371T specifications

Key parameters for fixed acoustic and thermal imaging, online partial discharge monitoring, gas leak localization, infrared temperature monitoring, video streaming, PTZ integration and industrial field installation.

Model

HZ-FA-371T

Product Type

Fixed Acoustic & Thermal Imaging Camera

Acoustic

Microphone Array

128 channel MEMS microphones

Acoustic Image Resolution

1920 × 1080

Frequency Bandwidth

2 kHz – 65 kHz

Camera FOV

72° ±3°

Focal Length

3.9 mm

Infrared Thermal Imaging

Thermal Resolution

640 × 512, NETD < 40 mK

Thermal FOV

48.3° H × 38.6° V, 62.4° D

Imaging Modes

Acoustic imaging, infrared imaging and fusion imaging

General

Transmission

Ethernet / HTTP

Stream Format

RTSP

System Integration

HTTP / WebSocket

PTZ Protocol

Pelco-D, RS485

Power Supply

DC 12 V / 3 A

Protection Level

IP65

Weight

1.6 kg

Dimensions

135 × 181 × 121 mm

Storage Temperature

-30℃ to 70℃

Detection & Certification

Application Scenarios

Partial discharge detection, leak detection, mechanical noise and temperature anomaly monitoring

Leak Rate Detection

>0.035 L/min @120 kPa from 0.3 m; >0.067 L/min @300 kPa from 3 m; >0.09 L/min @300 kPa from 5 m

Anti-explosion

Ex ib IIC T4 Gb; Ex ib IIIC T80℃ Db

Note: Monitoring distance, alarm logic, PTZ linkage and platform integration should be configured according to the site layout, robot system or fixed monitoring architecture.

Choose the right acoustic camera

HZ-FA-371T is the online acoustic and thermal camera for fixed monitoring. Choose another model when your workflow requires acoustic-only monitoring, methane verification or handheld inspection.

HZ-FA-371

Acoustic Camera
PD & Gas Leak Detection
7*24 Monitoring
ATEX Proof

HZ-PA-3

Acoustic and Methane Laser Sensing
Gas Leak Detection
Online Monitoring
Methane Concentration Measure

HA3LX

Acoustic and TDLAS
Gas Leak Detection
Methane Concentration Measurement
ATEX Proof

HZ-PA-3EX Acoustic & Laser Ex Camera FAQ

Common questions about explosion-proof acoustic imaging, TDLAS methane detection, PTZ monitoring, gas leak localization and hazardous-area installation.

What is HZ-PA-3EX used for?

HZ-PA-3EX is used for fixed gas leak monitoring in hazardous industrial environments. It combines acoustic imaging, TDLAS methane laser detection, optical zoom and explosion-proof PTZ control to detect methane leakage and locate leak sources.

What is the difference between HZ-PA-3EX and HZ-FA-371?

HZ-FA-371 is a fixed acoustic imaging camera. HZ-PA-3EX adds TDLAS methane laser detection, explosion-proof PTZ structure, 32× optical zoom and IP68 protection for hazardous gas leak monitoring.

How does HZ-PA-3EX detect methane leakage?

HZ-PA-3EX uses TDLAS methane laser detection to identify methane concentration in the target area, then uses acoustic imaging to locate the ultrasonic leak source more accurately.

What is the methane laser detection distance?

The methane laser detection distance is 0–50 m, with an optional 0–100 m configuration depending on the selected version and site requirements.

Is HZ-PA-3EX explosion-proof?

Yes. HZ-PA-3EX is designed for hazardous industrial environments and is specified with Ex db IIC T6 Gb / Ex tb IIIC T80℃ Db explosion-proof certification.

Can HZ-PA-3EX rotate and monitor different directions?

Yes. HZ-PA-3EX supports 0–360° horizontal rotation, -90° to +90° vertical rotation and 255 preset positions for PTZ monitoring.

Plan your fixed acoustic monitoring system

Tell us your monitoring target, installation location, working distance, environment and integration requirements. HERTZINNO will help you choose the right model and monitoring workflow.

Request Monitoring Solution

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PRODUCTS: Caméras d’imagerie acoustique; Voiceprint Products; Produits de détection par fibre optique

Contact Us: Greenland Mtown, No. 515, Huanke Road, Pudong District, Shanghai, China; info@hertzinno.com

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