FLIR Si124, Industrial Acoustic Imaging Camera for Compressed Air Leak Detection and display partial discharge problems
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FLIR Si124, Industrial Acoustic Imaging Camera

FLIR Si124 is an ultrasonic imaging camera who can help you to locate pressurized leaks in compressed air systems and display partial discharge problems in high-voltage electrical systems up to 10 times faster than traditional methods. Built with 124 microphones, this lightweight, one-handed solution produces a precise acoustic image that visually displays ultrasonic information, even in loud industrial environments.

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Get your compressed air leak detection and partial discharge problems program up and running in minutes

FLIR Si124 is an intelligent, easy-to-use imaging system designed to visually show pressurized leaks in compressed air systems and display partial discharge problems in high-voltage electrical systems. This lightweight, one-handed solution can help utility, manufacturing, and engineering professionals identify efficiency loss and potential failures up to 10 times faster than traditional methods. Built with 124 microphones and a frequency range that covers audible and ultrasound (2 kHz to 65 kHz), the Si124 filters out industrial background noise to produce precise acoustic imagery. The acoustic image is overlaid in real time on top of a digital camera picture, which allows the user to accurately pinpoint the source of the sound and classify problems. The Si124 features a plugin that enables users to import acoustic images to FLIR Thermal Studio suite for offline editing, analysis, and advanced report creation. Field analysis and reporting can also be done using the FLIR Acoustic Camera Viewer cloud service. Adopting the FLIR Si124 as part of a regular maintenance routine, professionals can identify issues fast—helping utilities keep the power flowing and manufacturing operations going.

Available in additional models which include a cordless battery option: the Si124-PD for electric utility applications or the Si124-LD for leak-detection applications. 


Detect compressed air leaks up to 10 times faster with ultrasonic imaging vs. traditional methods

• Quickly locate leaks and automatically upload, analyze, and classify problems to improve the reliability in production lines

• Locate leaks precisely, even in loud industrial environments, thanks to high-resolution acoustic images and 124 built-in microphones

• Instantly view the leak rate onscreen in real time (l/min or CFM)


Minimize excess costs resulting from compressed-air leaks

• Delay the expense of installing new or additional compressors by maintaining existing ones

• Reduce rejected product that could be caused by pressure loss in pneumatic systems

• Quantify leak size to understand how much energy was lost and the amount of money saved by discovering the problem

• Optimize staff time, as minimal training is required to use Si124-LD


Minimize equipment failures and downtime that result from PD/corona issues

• Classify partial discharge type including negative corona, positive and negative corona, floating discharge, and surface or internal discharge

• Identify corona discharge day or night, allowing quick replacement of defective components before a catastrophic failure

• Operate the lightweight camera with one hand for safety and reduced strain


Quantify the severity of air leaks in real time with this smart, convenient tool

• Validate problems in real time

• Upload, store, and backup data; create reports; and conduct deep analysis using FLIR Acoustic Camera Viewer cloud software or FLIR Thermal Studio suite desktop software

• Operate the lightweight camera with one hand for safety and reduced strain

• Easily review images on the display in bright or dark conditions with this adaptable gain camera

Data sheet
FLIR Si124
Field of View (HxV)
62° × 49°
Image Frequency (Hz)
30 Hz (Acoustic image)
Frequency (Hz)
2 KHz to 65 KHz, adjustable range
32 GB (internal), 8 GB (external)
2000 snapshots, video up to 5 minutes
Digital Camera Resolution (pixels)
800 × 480 pixels
Color 5" TouchScreen, 800 x 480 pixels, Brightness 1000 cd/m²
Other functions
Automatic AI-based severity assessment including recommended actions
- Wi-Fi 2.4 GHz and 5 GHz IEEE 802.11.b/g/n/ac wireless LAN
Battery Li-Ion; Usage: more than 2 h (depends on ambient conditions)
Operating temperature range (°C)
–10 °C ... +50 °C
Dimensions (L x l x H)
315 × 169 × 160 mm (camera)
1.25 Kg (Including All Accessories)
Ultrasonic Emission Measurement
124 low-noise MEMS microphones, real-time sound visualization
Leak Rate Detection
- 0.016 l/min @ 1.2 bar from 0.3 m
- 0.05 l/min @ 3 bar from 10 m
Automatic leak recognition including estimated leak size and annual cost
Discharge detection
Automatic detection 50 / 60 Hz
Discharge classification: Positive and negative corona, Floating discharge, Surface or internal discharge
Detection Distance
0.3 m ... 130 m
Dynamic range
-15 dB (low limit)
120 dB (high limit)

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2. Customized products (eg cables cut to the required length) cannot be refunded and cannot be returned!

3. The images of the products presented on the site are for information purposes only and may differ from the real products!

4. Micronix Plus SRL reserves the right to change the prices and specifications of the products without prior notice.

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