FLIR Si2a-LD Leak Detection Fixed Acoustic Imaging Camera (with WiFi)

SKU: FLIRT912644

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Key Features
  • Continuously monitors compressed air and gas systems for developing leaks
  • Supports 2.4 GHz and 5 GHz networks, with a Wi-Fi antenna included
  • Locates leaks and estimates leak size and annual cost with AI-enhanced analysis

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FLIR Si2a-LD Leak Detection Fixed Acoustic Imaging Camera (with WiFi)

The FLIR Si2a-LD Leak Detection Fixed Acoustic Imaging Camera (with WiFi) is designed for continuous, automated monitoring of compressed air and gas leaks in industrial environments. With 24/7 acoustic monitoring, it can identify leaks as they occur, helping maintenance teams find hidden sources of energy loss without relying entirely on scheduled manual inspections.

At the heart of the Si2a-LD are 124 low-noise MEMS microphones that provide acoustic measurements across a 2–130 kHz bandwidth. The camera can monitor from distances of 0.3 m up to 200 m, with directional resolution from 1° down to 0.125°. Real-time sound visualisation and automatic leak recognition make it easier to locate leaks and assess their potential impact.

High-Sensitivity Leak Detection

Leak detection is supported by automatic estimation of leak size and annual cost, allowing teams to understand not only where a leak is occurring but also the potential financial impact. The Si2a-LD has a leak rate detection threshold of 0.0032 l/min at 2.5 m and 0.0044 l/min at 6 m. It can detect gases when they are under sufficient pressure, including compressed air, ammonia, argon, carbon dioxide, helium, hydrogen, methane, natural gas and nitrogen.

Visual Verification

Alongside its acoustic monitoring capabilities, the Si2a-LD includes a 12 MP colour digital camera with a 75° diagonal field of view. Streaming video is provided at 15 fps with a resolution of 960 × 540, while snapshots can be captured at 30 fps. This gives operators additional visual context when locating and assessing detected leaks.

Intelligent Monitoring, Wireless Connectivity and Integration

AI-enhanced detection and analysis helps process acoustic information with minimal operator intervention. Continuous monitoring can identify leaks across compressed air distribution pipework, valves, fittings and connections, as well as pressurised gas systems. This makes it possible to identify energy losses, fugitive emissions and potential seal degradation earlier, helping organisations take action before these issues become more costly or create additional operational risks.

Wireless connectivity provides additional flexibility when integrating the Si2a-LD into a monitoring environment. The camera supports Wi-Fi on both 2.4 GHz and 5 GHz networks and is compatible with IEEE 802.11 b/g/n/ac standards. A Wi-Fi antenna is included, providing the hardware required for wireless network connectivity.

Built for Permanent Installation

For permanent installation, the Si2a-LD combines an IP66-rated enclosure with VESA mounting options. It is designed for use outside hazardous zones and can operate in demanding industrial environments where continuous condition monitoring is required. Enterprise-ready integration and data management capabilities also allow acoustic monitoring information to form part of wider maintenance and asset management workflows.

Main Applications

Typical applications for the Si2a-LD include:

  • Early detection of compressed air leaks across distribution pipework, valves, fittings, and connections to reduce energy waste, lower operating costs, and eliminate the hidden losses that conventional monitoring cannot identify.
  • Continuous monitoring of gas systems and associated infrastructure to identify fugitive emissions, pressurised leaks, and seal degradation before they become a safety risk.

Part number: T912644

FLIR Si2a-Series Fixed Acoustic Imaging Cameras Comparison

 

FLIR Si2a-Pro

FLIR Si2a-Pro (with Wi-Fi)

FLIR Si2a-LD

FLIR Si2a-LD (with Wi-Fi)

FLIR Si2a-PD

FLIR Si2a-PD (with Wi-Fi)

Primary function

Continuous leak and partial discharge monitoring

Continuous leak detection

Partial discharge monitoring

Compressed air leak detection

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✓

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Gas leak detection

✓

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✓

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Partial discharge monitoring

✓

✓

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✓

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Corona detection

✓

✓

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✓

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Arcing detection

✓

✓

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✓

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Continuous 24/7 monitoring

✓

✓

✓

✓

✓

✓

AI-enhanced detection and analysis

✓

✓

✓

✓

✓

✓

Leak localisation

✓

✓

✓

✓

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Leak rate and cost estimation

✓

✓

✓

✓

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PD type recognition

✓

✓

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✓

✓

Automatic PRPD pattern recognition

✓

✓

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✓

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AI-based severity assessment

✓

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✓

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Acoustic measurements

124 low-noise MEMS microphones

Acoustic bandwidth

2–130 kHz

Operating distance

0.3–200 m

Leak detection threshold

0.0032 l/min at 2.5 m; 0.0044 l/min at 6 m

Not applicable

Digital camera

12 MP colour

Wi-Fi

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2.4 GHz / 5 GHz

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2.4 GHz / 5 GHz

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2.4 GHz / 5 GHz

Wi-Fi antenna included

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✓

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✓

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✓

FLIR AssetLink™ compatibility

✓

✓

✓

✓

✓

✓

 


Specialists In Acoustic Imaging Solutions

Watch the video above to see how we can help you find the right acoustic imaging solution & get in touch on 0113 248 9966 or sales@test-meter.co.uk.


As a leading acoustic imaging solutions provider in the UK, we have a wide range of expertise. Acoustic imaging offers users the ability to see sound providing a variety of exciting new opportunities.

Mechanical downtime can be costly and disruptive, using an acoustic imager can identify problem components quickly and before complete failure. Additional applications include product development, noise pollution and smart applications including sports entertainment, there's a huge number of opportunities for using an acoustic imaging device.

We can help you find the best solution for your application and budget through:

  • Onsite-demo/remote consultations on request
  • 'Try Before You Buy' and hire options available
  • Finding the right software solution, ensuring the correct reporting and data functionality for your needs

In addition, we offer onsite support, ongoing service and maintenance, ensuring you get the maximum return on your investment. If you would like more information, please get in touch on 0113 248 9966 or sales@test-meter.co.uk

Key Features

  • Continuous 24/7 monitoring for compressed air and gas leaks
  • 124 low-noise MEMS microphones
  • 2–130 kHz acoustic bandwidth
  • Automatic leak detection, recognition and localisation
  • Estimated leak size and annual cost
  • Leak rate detection threshold down to 0.0032 l/min at 2.5 m
  • Detects pressurised compressed air, ammonia, argon, carbon dioxide, helium, hydrogen, methane, natural gas and nitrogen
  • Operating distance from 0.3 m up to 200 m
  • Directional resolution from 1° down to 0.125°
  • AI-enhanced acoustic detection and analysis
  • Real-time sound visualisation
  • Wi-Fi connectivity at 2.4 GHz and 5 GHz
  • IEEE 802.11 b/g/n/ac compatible
  • Wi-Fi antenna included
  • 12 MP colour digital camera
  • 75° diagonal camera field of view
  • 960 × 540 streaming video at 15 fps
  • VESA mounting options
  • IP66 ingress protection
  • Designed for fixed installation outside hazardous zones
  • Enterprise-ready integration and data management

What's In The Box?

  • FLIR Si2a-LD camera
  • Wi-Fi antenna
  • Printed documentation
  • License card
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Specification
No

For more information on the specifications, please view the datasheet below.

Label Type Size Download
pdf Flir Si2a-LD Datasheet pdf 278.7 KB Download

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