The FLIR Si2-LD acoustic imaging camera enables you to detect and reduce leaks in facilities, thereby cutting costs associated with compressed air and specialty gas leaks. Beyond these capabilities, it also identifies mechanical faults, such as bearing issues, facilitating preventative maintenance to avoid downtime. The Si2 series delivers unparalleled performance, enhances decision support, simplifies fleet management, and integrates seamlessly with enterprise data, setting a new standard in its class.

For electric utility needs, choose the Si2-PD. For comprehensive coverage including electric utility, leak detection, and mechanical fault applications, select the Si2-Pro. You can explore these models in the related products section below.

Specifications
Acoustic Measurement
124 low-noise MEMS microphones, real-time sound visualization
Distance
From 0.3 m (1.0 ft) up to 200 m (656 ft)
Leak Rate
0.0032 l/min from 2.5 m (8.2 ft), 0.0044 l/min from 6 m (19.6 ft)
Wireless Data Transfer
Wi-Fi 2.4 GHz and 5 GHz IEEE 802.11.b/g/n/ac wireless LAN
Imaging & Optical
Camera software update
Automatic Over The Air (OTA) wireless update or via USB connection
Field of view (FOV)
75° diagonal
Video Frame Rate
Camera: 60 fps / Acoustic image: 30 fps / Screen: 70 fps
Video Image Resolution
1280 × 720
Zoom
8x Digital zoom
Measurement & Analysis
Acoustic Measurement
124 low-noise MEMS microphones, real-time sound visualization
Bandwidth
2 kHz to 130 kHz
Detection Threshold
20 kHz: -7 dB SPL
35 kHz: 4 dB SPL
50 kHz: 10 dB SPL
80 kHz: 36 dB SPL
100 kHz: 51 dB SPL
Detects Following Gases
Detects all gases provided they are under sufficient pressure. Quantifies leak rate costs for compressed air, ammonia, argon, CO₂, helium, hydrogen, methane, natural gas, and nitrogen.
Distance
From 0.3 m (1.0 ft) up to 200 m (656 ft)
Leak Rate
0.0032 l/min from 2.5 m (8.2 ft), 0.0044 l/min from 6 m (19.6 ft)
Mechanical Analysis
Mechanical fault detection
User Interface
Display
Size: 5 in. 1280 × 720
Resistive touch screen, TFT LCD, MIPI DSI
Power
Battery
Li-Ion rechargeable battery pack (RRC 2054):14.4 V DC, 3.45 Ah, 49.68 Wh
Max output: 16.8 V DC, 5 A
Battery Charger
Input: 19-26 V DC, 2.8 A
Max output: 17.4 V DC, 4.8 A
Battery weight
~ 0.25 kg
Nominal Input Voltage
Nominal input voltage: 12 V DC
Max input: 17 V DC , 3.3 A (limited)
Environmental & Certifications
Operating And Storage Humidity
0-90% recommended
Operating Temperature Range
–10°C to 50°C (14°F to 122°F)
Protection Class
IP54
Storage Temperature Range
–20°C to 70°C ( –4°F to 158°F)
Warranty
http://www.flir.com/warranty/
General
Battery Size
85 mm × 77 mm (RRC2504)
Worklights
2 modes: On/Off