FLIR Si1-LD Acoustic Imaging Camera – Optional Wi-Fi

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  • 96 MEMS microphones
  • Frequency range: 2kHz to 100kHz
  • Detection range: up to 130m
SKU
Si1-LD

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View All Ultrasonic (Ultrasound) Leak Detectors

FLIR Si1-LD Acoustic Imaging CameraLady using a FLIR Si1-LD Acoustic Camera to inspect mechanical equipment

Optimised for detecting compressed air and vacuum leaks, the FLIR Si1-LD Acoustic Imaging Camera is a lightweight, ergonomic ultrasonic camera equipped with 96 MEMS microphones, a 2kHz to 100kHz frequency range, a bandpass filter, noise suppression technology, and a 12MP digital camera. It functions by detecting ultrasonic noise emitted by compressed air and vacuum leaks and converting this into a sound map that is overlaid onto the corresponding digital image. Consequently, maintenance engineers can pinpoint problems precisely, quickly, and easily. Additionally, a Leak Analysis function calculates the leak rate and leak cost per year. This quantification enables teams to make informed, data-driven decisions about prioritising repairs. Moreover, images may be transferred from the camera to FLIR’s Thermal Studio Suite Software, via a memory stick or USB cable, for offline editing, analysis, and reporting.

Optional Wi-Fi

There are two versions of the FLIR Si1-LD Acoustic Imaging Camera available: one with Wi-Fi and one without Wi-Fi.

Man and woman using the FLIR Si1-LD Acoustic Camera to inspect equipment.

Wi-Fi-enabled models may be used with the FLIR Acoustic Camera Viewer App which facilitates online, in-the-field analysis and reporting.

Applications

  • Leak detection in manufacturing and process industries
  • Preventative maintenance
  • Equipment optimisation
  • Optimising systems for energy efficiency
  • Ensuring regulation compliance

Highly sensitive, extremely efficient, and very easy to use, the FLIR Si1-LD Acoustic Camera can help industrial plants reduce their carbon footprint and energy bills.

Videos

FLIR Si1-LD Acoustic Imaging Camera: Efficient Compressed Air Leak Detection

Key Features

  • Ultrasonic camera for locating compressed air and vacuum leaks
  • Available with or without Wi-Fi
  • 96 MEMS microphones
  • Advanced imaging algorithms
  • Frequency range: 2kHz to 100kHz
  • Detection range: up to 130m
  • A man is using the FLIR Si1-LD Acoustic Camera it inspect mechanical equipment. 12MP digital camera
  • Band-pass filter for frequency tuning
  • Noise suppression technology
  • Leak analysis quantifies leak rates and costs
  • Compatible with FLIR Thermal Studio Suite for offline analysis and reporting
  • Compatible with FLIR Thermal Studio Suite Software for online analysis and reporting (Wi-Fi-enabled model ONLY)
  • Transfer images via a memory stick or USB data cable
  • Lightweight
  • Intuitive
  • Optimised for single-handed operation
  • Enables easy, efficient inspections across large facilities
  • Leak detection in manufacturing and process industries
  • Preventative maintenance
  • Equipment optimisation
  • Optimising systems for energy efficiency
  • Ensuring regulation compliance
  • Highly sensitive, extremely efficient, and very easy-to-use ultrasonic leak detector
  • Will help facilities reduce their carbon footprint and energy expenses

What’s Included?

  • FLIR Si1-LD Acoustic Imaging CameraFLIR Si1-LD Acoustic Camera with Accessories
  • Battery
  • Battery Charger
  • Power Cable
  • Neck Strap
  • Licence Card for FLIR Si-Series Plugin for FLIR Thermal Studio (Perpetual Licence)
  • USB Memory Stick
  • Printed Documentation
  • Hard Carry Case
£7,549.00
£9,058.80 inc vat
Free Delivery*
Important Notice
This item is made-to-order exclusively for you once your order is placed. As a result, it is not eligible for cancellation or return under our standard policy. Your statutory rights remain unaffected.
Free FLIR Tool with Acoustic Imagers Find Out More

FLIR C5 Compact Thermal Camera with Cloud Connectivity & Wi-Fi
FREE £529.00
SKU 89401-0202
FLIR C5 Compact Thermal Camera with Cloud Connectivity & Wi-Fi
  • Three-in-one thermal imager, visual-light camera and LED torch
  • Pocket-sized and rugged
  • Upload images to the FLIR Ignite™ Cloud
FLIR Thermal Studio Pro Software – 12-Month Licence
FREE £419.00
SKU T300243
FLIR Thermal Studio Pro Software – 12-Month Licence
  • Compatible with FLIR’s handheld, optical gas imaging, and UAS cameras
  • Create comprehensive, bespoke reports
  • Supports FLIR’s Route Creator Plug-in
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Price Match

Offers

Free FLIR Tool with Acoustic Imagers

Buy a FLIR Si Series Acoustic Imager and Get a FREE FLIR Reward

Receive a FREE FLIR Tool when you buy a FLIR Si Series Acoustic Imaging Camera between 9th November - 31st December 2025. 
Email your proof of purchase to flir_acoustic@teledyne.com to get your 100% discount code to redeem against a new FLIR product. Choose from a Flir C5, Flir Edge Pro, CM57-2 Clamp or a DM93-2 DMM.
For more details visit FLIR Rewards

FREE FLIR C5 Thermal Camera
  • FLIR C5 Compact Thermal Camera with Cloud Connectivity & Wi-Fi - 89401-0202, typically £529.00
  • FLIR Thermal Studio Pro Software – 12-Month Licence - T300243, typically £419.00
Technical Information
Specification

FLIR Si1-LD Acoustic Imaging Camera Technical Specifications 

Measurement & Analysis
Measurement & Analysis 96 low-noise MEMS microphones, real-time sound
visualization
Detection threshold 20 kHz: −5 dB
35 kHz: 9 dB
50 kHz: 15 dB
80 kHz: 41 dB
100 kHz: 56 dB
Bandwidth 2 kHz to 100 kHz
Directional resolution From 1° up to 0.125°
Operating distance From 0.3 m (1.0 ft) up to 130 m (427 ft)
Auto distance Automatic distance up to 5 m (16.45 ft)
Leak localization and detection Automatic leak recognition including estimated leak size
and annual cost
Leak rate detection threshold 0.5 m: 0.004 l/min
2.5 m: 0.010 l/min
6.0 m: 0.017 l/min
Autofilter, automatic frequency selection No
Band-pass filter Yes
Supported gases Compressed air
Mechanical mode No
Imaging & Optical
Digital camera 12 MP color
Camera field of view 65° diagonal
Video frame rate Camera: 60 fps / Acoustic image: 30 fps / Screen: 70 fps
Zoom 8x Digital zoom
Video image resolution 1280 × 720
User Interface 
Display Size: 5 in. 1280 × 720,
Resistive touch screen, TFT LCD, MIPI DSI
Integrated flashlight LEDs, two modes: ON / OFF
Analysis & Reporting
Online FLIR Acoustic Viewer (cloud service)
https://acousticviewer.flir.com
Offline FLIR Thermal Studio (desktop software)
Communication & Data Storage
Data transfer - Wi-Fi 2.4 GHz and 5 GHz IEEE 802.11.b/g/n/ac wireless LAN
- USB memory stick
Camera software update  - Automatic over Wi-Fi
- USB via computer
Still image format .nlz and .jpg
Video recording & format Up to 5 minutes (.nlz format)
Storage, internal 32 GB (SD card)
Storage, external 8 GB (USB), Cloud storage capacity is unlimited
Image annotations Image tags and comments
Power
Camera power input Nominal input voltage: 12 V DC
Max input: 17 V DC, 3.3 A (limited)
Battery Li-ion rechargeable battery pack (RRC 2054):14.4 V DC,
3.45 Ah, 49.68 Wh
Usage: Up to 2.5 h
Charge time: approx. 2 h
Max output: 16.8 V DC, 5 A
Battery charger Input: 19 V to 26 V DC, 2.8 A
Max output: 17.4 V DC, 4.8 A
Environmental Data
Operating temperature range −10°C to 50°C (14°F to 122°F)
Storage temperature range  −20°C to 50°C (−4°F to 122°F) max
−20°C to 25°C (−4°F to 77°F) recommended
Relative humidity 0% to 90% recommended
EMC CFR47 FCC Part 15 Subpart B
Radio CFR47 FCC Part 15 Subpart C/E, ETSI EN 301 489-1/-17,
ETSI EN 300 328, ETSI EN 301 893
Ingress protection IP54
Safety IEC 62368-1
Declaration of conformity See: https://support.flir.com/resources/DoC
Physical Data
Camera size 184 mm x 276 mm x 167 mm (7 in x 11 in x 6 in)
Camera weight ~ 1.2 kg
Battery size 85 mm × 77 mm (RRC2504)
Battery weight ~ 0.25 kg
Total weight (camera +
battery)
~ 1.45 kg
Warranty & Service
Warranty https://www.flir.com/warranty/
Document Downloads
FLIR Si1-LD Acoustic Imaging Camera - Datasheet Datasheet
Additional Information
SKU
Si1-LD

Customer Reviews

 
FLIR Si1-LD Acoustic Imaging Camera – Optional Wi-Fi
£7,549.00
£9,058.80 inc vat
£7,549.00
£9,058.80 inc vat