The UE Systems Si2-Pro Acoustic Imaging Camera is the flagship, all-in-one model of the Si2 Series, engineered and manufactured by UE Systems (USA) to deliver unparalleled predictive maintenance (PdM) diagnostic power. The Si2-Pro combines the specialized capabilities of both the Si2-LD (pressurized gas leaks and mechanical faults) and the Si2-PD (partial discharge evaluation) into a unified, ultra-compact handheld platform.

The instrument translates imperceptible acoustic sound waves and ultrasound emitted by pressurized gas turbulence, rotating mechanical friction, and electrical ionization into vivid color sound heatmaps superimposed in real time over a high-definition 12 Megapixel visual video stream. This allows plant reliability teams, energy auditors, and electrical safety specialists to perform full-spectrum asset health evaluations with a single device from safe stand-off distances up to 200 meters.

Key Engineering Features & Operational Advantages:
- 3-in-1 Comprehensive Diagnostic Capability:
  1. Pressurized Gas Leak Auditing (Leak Mode): Pinpoints compressed air, vacuum, and costly specialty gas leaks (Argon, Helium, Hydrogen, CO2, Nitrogen). Advanced on-device algorithms automatically compute real-time leak flow rates (l/min or CFM) and quantify annualized energy losses in local currency, directly supporting ISO 50001 energy audits.
  2. Mechanical Anomaly Diagnostics (Mechanical Mode): Analyzes high-frequency friction signatures in rotating roller bearings and conveyor idlers, flagging early lubrication failure or race spalling and displaying fault severity ratings on-screen.
  3. AI-Driven Partial Discharge Classification (PD Mode): Embedded machine learning algorithms categorize electrical discharge patterns (Corona, Surface Tracking, Arcing, or Floating Discharge), assess failure criticality, and display immediate actionable repair recommendations without requiring external PC software.
- 124 High-Sensitivity Digital MEMS Microphones: Arranged in an optimized multi-transducer circular spiral array that provides extreme acoustic spatial resolution and a superior signal-to-noise ratio (SNR). It easily isolates subtle micro-leaks or faint electrical discharges amid deafening industrial factory background noise (stamping presses, rotary compressors, and turbines).
- Wide 2 kHz to 130 kHz Dynamic Frequency Bandwidth: Offers continuous acoustic coverage spanning audible sound into ultrasonic regimes, ensuring complete isolation of fault signatures from ambient background noise.
- 12 Megapixel Visual Camera with 8x Digital Zoom: Delivers high optical resolution, allowing operators to zoom in smoothly on high-elevation pipe racks, distillation towers, and substation busbars from ground level.
- 5-Inch Full HD Sunlight-Readable Touchscreen: 1280 x 720 pixel resolution with 1000-nit luminance ensures visibility under direct outdoor sunlight. Up to 60 fps acoustic frame rates deliver smooth, lag-free scanning.
- IP54 Industrial Ruggedness: Weighs approximately 1.0 kg (2.2 lbs) with balanced one-handed ergonomics. Sealed against industrial dust and omnidirectional water splashing, and features dual-band Wi-Fi for seamless cloud synchronization and rapid automated report generation.

Typical Industrial Applications:
- Comprehensive compressed air, vacuum, and specialty gas leak audits across chemical, petrochemical, pharmaceutical, automotive, and heavy manufacturing plants.
- Medium- and high-voltage substation partial discharge testing (11kV to 500kV), metal-clad switchgear inspections, overhead insulator surveys, and transformer bushing diagnostics.
- Mechanical condition monitoring of overland conveyor idler rolls, large motor bearings, and heavy industrial gearboxes in mining, cement, paper, and steel mills.

• Manufacturer/Distributor: UE Systems
• Country of Origin: USA
• Product Line: Si2 Series Next-Generation Acoustic Imaging Cameras (Flagship All-in-One Model)
• Model Designation: Si2-Pro
• Acoustic Sensor Array: 124 low-noise digital MEMS microphones
• Frequency Bandwidth: 2 kHz to 130 kHz (user-selectable filtering)
• Detection Stand-Off Distance: 0.3 m to 200 m (1 ft to 656 ft)
• Visual Camera Resolution: 12 Megapixels color camera with autofocus
• Digital Zoom: 1x to 8x smooth digital zoom
• Acoustic Frame Rate: Up to 60 fps
• Field of View (FOV): 75° x 55°
• Display Screen: 5-inch capacitive color touchscreen (1280 x 720 pixels), 1000 cd/m² sunlight-readable
• Integrated Multi-Mode Diagnostic Suites (3-in-1):
  - Gas Leak Mode: Real-time flow rate estimation (l/min, CFM) and monetary cost loss projection
  - Mechanical Fault Mode: Anomaly detection and severity rating for rotating bearings and conveyor idlers
  - Partial Discharge Mode: Automated AI classification (Corona, Surface Tracking, Arcing, Floating Discharge) with severity rating and contextual repair recommendations
• Leak Sensitivity: Detects leaks down to 0.015 l/min at 3 bar from 3 meters (or 0.0032 l/min from 1 meter)
• On-Board Storage: Integrated 128 GB internal eMMC memory (stores thousands of images and video recordings)
• File Formats: Standard JPEG with embedded acoustic metadata; MP4 video files
• Data Connectivity: Dual-band Wi-Fi (2.4 GHz / 5 GHz) for cloud synchronization, plus USB Type-C interface
• Analysis Software: Compatible with cloud analytics and desktop automated reporting platforms
• Power Supply: High-capacity rechargeable Li-Ion battery pack (field-swappable)
• Continuous Operating Time: Approx. 2.5 hours per battery (dual-battery kit included)
• Ingress Protection Rating: IP54 (dust and splash water protection)
• Operating Temperature Range: -10°C to 50°C (14°F to 122°F)
• Dimensions: Approx. 286 x 140 x 128 mm
• Net Weight: Approximately 1.0 kg (2.2 lbs) including battery pack.