FLIR Si2a-LD – Fixed Industrial Acoustic Imaging Camera – Ultrasound – Pressurized Gas Leaks

Consult price

Availability: 11-15 days

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Ref: Si2a-LD-P

Description

FLIR Si2a-LD

The FLIR Si2a-LD acoustic camera for continuous leak monitoring combines an array of 124 ultra-low-noise MEMS microphones with a 12-megapixel optical camera for the precise detection of compressed air and gas leaks. Designed for demanding industrial environments thanks to its IP66 rating, it enables early detection, quantification of leak rates, and automated calculation of energy costs 24 hours a day.

Using AI-enhanced algorithms and extensive connectivity—including PoE+, Wi-Fi, digital outputs, and integration protocols such as REST API and MQTT—this solution automates continuous acoustic monitoring without the need for direct manual intervention in the field.

Main features

  • High-precision acoustic array: 124 integrated MEMS microphones with a bandwidth of 2 to 130 kHz and a detection range from 0.3 m to 200 m.

  • Leak Quantification and Cost Estimation: Automatic leak detection with volume calculation and annual cost estimation for compressed air and gases (methane, nitrogen, CO₂, hydrogen, and others).

  • 12 MP optical camera: Visual overlay of the acoustic map on a color image with a refresh rate of up to 30 fps during capture.

  • Integrated Analytics and AI: Intelligent detection with configurable alerts based on dB SPL level, leak size, or estimated economic impact.

  • Connectivity and Cybersecurity: Industrial M12 Ethernet interface, dual-band Wi-Fi (2.4/5 GHz), 4–20 mA outputs, digital I/O, and secure communication via MQTT/REST API.

  • IP66 Industrial Design: Ultra-durable chassis with VESA 100 × 100 mounting, PoE+ power supply (IEEE 802.3at), and an operating temperature range of -20 °C to 50 °C.

Common applications

  • Continuous monitoring of compressed air networks, valves, and connections to reduce energy waste in industrial plants

  • Early detection of fugitive emissions and seal degradation in gas lines (methane, hydrogen, ammonia, nitrogen)

  • Integration into control systems and predictive maintenance in automated facilities

Compatibility Enterprise integration via RESTful APIs, data export in .json and compatibility with the Flir Thermal Studio analysis software (files .nlz).

REF: Si2a-LD-P

Technical data

Key Features & Applications

Key Features• Continuous 24/7 condition monitoring for early detection of compressed air and gas leaks[cite: 1]
• Quantifies leak rate costs for compressed air, ammonia, argon, CO2, helium, hydrogen, methane, natural gas, and nitrogen[cite: 1]
• IP66 rating with VESA mounting options for reliable, flexible installations outside hazardous zones[cite: 1]
• AI-enhanced detection and analysis delivering accurate results with minimal operator intervention[cite: 1]
Main Applications• Early detection of compressed air leaks in distribution piping, valves, fittings, and connections[cite: 1]
• Continuous monitoring of gas systems to identify fugitive emissions, pressurized leaks, and seal degradation[cite: 1]

Acoustic Specifications

Acoustic Measurements124 low-noise MEMS microphones, real-time sound visualization[cite: 1]
Detection Threshold20 kHz: -19.5 dB | 35 kHz: -11.2 dB | 50 kHz: -9.8 dB
80 kHz: 12.2 dB | 100 kHz: 22.8 dB[cite: 1]
Bandwidth2–130 kHz[cite: 1]
Directional ResolutionFrom 1° to 0.125°[cite: 1]
Operating DistanceFrom 0.3 m (1.0 ft) up to 200 m (656 ft)[cite: 1]
Leak Localization & DetectionAutomatic leak detection, including estimated leak size and annual cost[cite: 1]
Leak Rate Threshold0.0032 l/min from 2.5 m, 0.0044 l/min from 6 m[cite: 1]
Gases DetectedDetects all gases under sufficient pressure. Quantifies leak costs for compressed air, ammonia, argon, CO2, helium, hydrogen, methane, natural gas, and nitrogen.[cite: 1]

Imaging and Optical

Digital Camera12 MP Color[cite: 1]
Camera Field of View75° diagonal[cite: 1]
Video Frame RateStreaming: 15 fps | Snapshots: 30 fps[cite: 1]
Video Image Resolution960 × 540 streaming[cite: 1]
Aspect Ratio16:9[cite: 1]

Communication and Connectivity

Network InterfacesM12 x-code 8-pin Ethernet, PoE IEEE 802.3at[cite: 1]
Wireless Connectivity2.4 GHz / 5 GHz Wi-Fi, IEEE 802.11 b/g/n/ac[cite: 1]
Supported ProtocolsTCP/IP, RTSP, MQTT, SMTP, FTP[cite: 1]
Data TransferVideo streaming bandwidth: 7.5 Mbps (typical)[cite: 1]
Firmware UpdatesVia the configurator tool's web interface[cite: 1]
Digital I/O & Current LoopDigital I/O: 2-pin output / 2-pin input | Current Loop: 4–20 mA, 8 discrete levels (2 mA resolution)[cite: 1]

System Integration & Software

APIHTTP, REST (documentation in the acoustic configurator tool)[cite: 1]
Event TriggeringLeak detection and minimum leak size / Leak detection and cost estimation / dB SPL threshold[cite: 1]
Data FormatsExport File: .nlz (FLIR Thermal Studio) | Data Messages: .json[cite: 1]
Analysis & ReportingOffline: FLIR Thermal Studio (desktop) | Web Interface: Acoustic configurator tool[cite: 1]

Power & Environment

Primary Power SourcePoE+ Type 2 (30 W)[cite: 1]
Power Consumption18 W typical, 25.5 W maximum[cite: 1]
DC Voltage Range42.5–57 V DC[cite: 1]
Operating / Storage Temperature-20°C to 50°C (-4°F to 122°F)[cite: 1]
Relative Humidity0–90% recommended[cite: 1]
Ingress Protection & SafetyIP66 | Safety: IEC 62368-1[cite: 1]
EMC StandardsFCC CFR 47 Part 15 Subpart B Class B, Subpart C/E, §15.207, §15.247(d), §15.407(b);[cite: 1]
EN 55032, EN 55035, EN 301 489-1/-17, EN 300 328, EN 301 893[cite: 1]

Physical Data & Shipping Information

Camera Size & Weight182 × 171 × 79 mm (7.2 × 6.8 × 3.1 in) | ~ 1.4 kg (3.1 lb)[cite: 1]
Mounting DimensionsVESA mount: 100 × 100, 4 × M4, 10 mm thread[cite: 1]
Packaging Size & Weight362 × 230 × 109 mm (14.2 × 9.1 × 4.3 in) | 1.8 kg (4 lb)[cite: 1]
Package ContentsCamera, Wi-Fi antenna (Wi-Fi models), printed login documentation, license card: FLIR Si-series Plugin for FLIR Thermal Studio (perpetual license)[cite: 1]
Part Numbers & CodesWi-Fi Model: Part: T912644 | EAN-13: 7332558036419 | UPC-12: 845188034344[cite: 1]
Non-Wi-Fi Model: Part: T912646 | EAN-13: 7332558036433 | UPC-12: 845188034368[cite: 1]

Box contents

• Camera

• Printed documentation

• External Wi-Fi antenna

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