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Designed to measure the sound pressure level of acoustic noise and real-time visualization of the acoustic field in the high-frequency sound and ultrasonic frequency range arising from electrical discharges in high-voltage equipment or gas leaks from pipelines and pressure tanks or violations of tightness of vacuum systems
Available in two versions:
- Industrial – Portable multisensor device NAC-PU AMCSh.468266.016
- Explosion proof – Explosion proof portable multisensor device NACEx-PU AMCSh.468266.015
During scheduled walk-throughs allows to detect:
- gas leaks in pressurized systems
- leakproofness violations of vacuum systems
- partial discharges in high-voltage systems
Discover the Benefits of Using a Microphone Array in a Portable Ultrasonic Camera NAC-PU through an Interactive Simulation.
Switch Between Modes Standard Microphone and Ultrasonic Camera, move the acoustic beam across the image and compare how the audibility of different sound sources changes.
In Conventional Microphone mode, all ambient sounds are captured simultaneously. In Acoustic Camera mode, the system focuses on the selected area, enhancing the sound from the target source while suppressing background noise. This enables faster detection of compressed air and other pressurized gas leaks, vacuum leaks, electrical discharges, and other faults - even in high-noise industrial environments.
Tip: Press ▶, switch to «NAC-PU Camera» and point the beam at any sound source to hear the difference.
Specifications:
| Name | Value |
|---|---|
| Number of microphones | 112 Digital MEMS Microphones |
| Microphone array aperture | 141 mm |
| Acoustic image frame rate | up to 30 FPS |
| Number of recording channels | 112 |
| Integral level of acoustic signals | from 10 to 150 dB |
| Frequency range | from 50 to 48000 Hz |
| Operating frequency range | from 7000 to 40000 Hz |
| Field of optic vision | 70° |
| Field of acoustic vision | 180° |
| Detection range | 0.3 - 150 m |
| Operating mode | Leak mode (real-time display of leakage intensity) Discharge mode (real-time partial discharge type and severity detection) User mode (custom configuration for specific needs) |
| Screen size | 7" |
| Display Resolution | 1024 × 600 |
| Display Type | Capacitive Touchscreen |
| Camera resolution | 1920 × 1080 (Full HD) |
| Zoom | 6-x digital zoom |
| Storage space | 1 TB |
| Max. recording time | 10 hours |
| Number of stored images, not less | 20000 |
| Image format | JPG |
| Recording format | NACF container file |
| Wireless interface | Wi-Fi, Bluetooth |
| Network interface | Ethernet |
| PC connection interface | USB Type-C |
| Interface for external media connection | USB Type-A |
| Device charging interface | DC power connector |
| Operating time in real-time acoustic field visualization mode | 5 hours |
| Tripod connection | Thread 1/4"(M) |
| IP rating | IP54 |
| Explosion protection rating (for NACEx-PU) | 1Ex eb ib mb IIС T4 Gb Х, Ex tb ib mb IIIC T135° Db |
| Operating temperature range | -20 to +40 ºC |
| Operating temperature range limit | -40 to +60 ºC |
| Product Size | 322×161×58 |
| Product weight, not more: - NAC-PU - NACEx-PU | 2.5 kg 2.9 kg |
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