FLIR Si2a-Pro Industrial Fixed Acoustic Imaging Camera for Leak and Partial Discharge Detection (2–130 kHz)

Acoustic Specifications

Acoustic measurements: 124 low-noise MEMS microphones, real-time sound visualization

Detection threshold:

20 kHz: -19.5 dB

35 kHz: -11.2 dB

50 kHz: -9.8 dB

80 kHz: 12.2 dB

100 kHz: 22.8 dB

Bandwidth: 2–130 kHz

Directional resolution: From 1° up to 0.125°

Operating distance: From 0.3 m (1.0 ft) up to 200 m (656 ft)

Leak localization and detection: Automatic leak recognition including estimated leak size and annual cost

Leak rate detection threshold: 0.0032 l/min from 2.5 m, 0.0044 l/min from 6 m

Gases detected: Detects all gases provided they are under sufficient pressure. Quantifies leak rate costs for compressed air, ammonia, argon, carbon dioxide, helium, hydrogen, methane, natural gas, and nitrogen.

PD type recognition: Surface or Internal Discharge, Positive and Negative Corona, Negative Corona, Floating Discharge

PRPD pattern recognition: Automatic

Severity assessment: Automatic AI-based severity assessment including recommended actions

Imaging and Optical

Digital camera: 12 MP Color

Camera field of view: 75° diagonal

Video frame rate: Streaming: 15 fps; Snapshots: 30 fps

Video image resolution: 960 × 540 streaming

Aspect ratio: 16:9

Communication and Connectivity

Network interfaces: M12 x-code 8-pin Ethernet, PoE IEEE 802.3at

Wireless connectivity: Wi-Fi 2.4 GHz / 5 GHz, IEEE 802.11 b/g/n/ac

Supported protocols: TCP/IP, RTSP, MQTT, SMTP, FTP

Data transfer: Video streaming bandwidth: 7.5 Mbps (typical)

Firmware updates: Via configurator tool web interface

Digital I/O: 2-pin output / 2-pin input

Current loop output: 4–20 mA, 8 discrete levels (2 mA resolution)

System Integration and Event Handling

API: HTTP, REST (documentation in the acoustic configurator tool)

Event Triggering: Leak detection and minimum leak size / Leak detection and cost estimation / dB SPL Threshold

Datasheet