• HZ-PA-3EX Acoustic & Laser Explosion-proof PTZ Camera,HERTZINNO,HZ-PA-3EX Acoustic & Methane Laser Ex Camera | HERTZINNO
  • HZ-PA-3EX Acoustic & Laser Explosion-proof PTZ Camera,HERTZINNO,HZ-PA-3EX Acoustic & Methane Laser Ex Camera | HERTZINNO
  • HZ-PA-3EX Acoustic & Laser Explosion-proof PTZ Camera,HERTZINNO,HZ-PA-3EX Acoustic & Methane Laser Ex Camera | HERTZINNO
  • HZ-PA-3EX Acoustic & Laser Explosion-proof PTZ Camera,HERTZINNO,HZ-PA-3EX Acoustic & Methane Laser Ex Camera | HERTZINNO

HZ-PA-3EX Acoustic & Laser Explosion-proof PTZ Camera

The HZ-PA-3EX is an integrated explosion-proof PTZ camera specifically engineered for advanced methane gas leakage detection and monitoring. It utilizes a multi-dimensional sensing approach, combining laser methane detection with high-density acoustic imaging to identify early leakage points and improve fault identification rates in hazardous environments.

Model
HZ-PA-3EX
Product Type
Acoustic & Laser Explosion-proof PTZ Camera
Methane Laser Sensitivity
5ppm
Microphone Array
128 channel MEMS
Acoustic Bandwidth
2kHz ~ 65kHz
Explosion-Proof Rating
Ex db IIC T6 Gb / Ex tb ⅢC T80℃ Db
Protection Level
IP 68 (Waterproof and Dustproof)
Pedestal Material
304 stainless steel
  • HZ-PA-3EX Acoustic & Laser Explosion-proof PTZ Camera,HERTZINNO,HZ-PA-3EX Acoustic & Methane Laser Ex Camera | HERTZINNO
  • HZ-PA-3EX Acoustic & Laser Explosion-proof PTZ Camera,HERTZINNO,HZ-PA-3EX Acoustic & Methane Laser Ex Camera | HERTZINNO

Fixed acoustic & TDLAS camera for continuous online monitoring.

HZ-PA-3EX is an explosion-proof acoustic and TDLAS methane laser PTZ camera designed for fixed gas leak monitoring in hazardous industrial environments. It combines 128 MEMS microphones, methane laser detection, acoustic imaging and a 2MP optical camera with 32× optical zoom to identify gas leak areas, locate acoustic leak sources and support remote inspection around oil, gas, chemical and LNG facilities.

128

Digital MEMS microphones for high-density acoustic imaging.

2kHz–65kHz

Wide frequency bandwidth for audible and ultrasonic inspection

TDLAS

TDLAS methane laser detection for CH₄ verification

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

Fixed acoustic and thermal imaging for continuous monitoring.

HZ-PA-3EX combines TDLAS methane laser detection with acoustic imaging and PTZ optical confirmation. The methane laser helps identify methane leakage areas, while the acoustic sensor array localizes the leak source through ultrasonic emissions. The PTZ platform and optical zoom support remote inspection, visual confirmation and continuous monitoring in hazardous industrial environments.
HOW IT WORKS

01

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

02

TDLAS
The TDLAS methane laser detects methane concentration across the target area.

03

Optical Confirmation
The 2MP PTZ camera with 32× optical zoom helps operators visually confirm the target area.

04

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

Core HZ-PA-3EX specifications

Essential parameters for explosion-proof acoustic imaging, TDLAS methane detection, PTZ monitoring, optical confirmation and hazardous-area gas leak monitoring.

Product Type
Acoustic & laser explosion-proof PTZ camera
Acoustic Sensor
128 channel MEMS microphones
Acoustic Bandwidth
2 kHz – 65 kHz
Acoustic Detection Distance
0.3 m – 150 m
Acoustic Image Resolution
1920 × 1080
Methane Detection
TDLAS methane laser, 5 ppm sensitivity
Methane Laser Distance
0–50 m; 0–100 m optional
Optical Camera
2 MP optical camera, 32× optical zoom
PTZ Rotation
0–360° horizontal; -90° to +90° vertical; 255 preset positions
Explosion-proof Rating
Ex db IIC T6 Gb / Ex tb IIIC T80℃ Db
Protection Level
IP68
Working Temperature
-40℃ to +65℃
Power Supply
AC 110–230 V / DC 24 V
Weight
35 kg

Note: Methane laser distance, PTZ presets, power supply and installation method should be confirmed according to the selected configuration and site layout.

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.
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