HOLDPEAK 956D – Professional 64-Channel Acoustic Imaging Camera for Gas Leak & Partial Discharge Detection

The HOLDPEAK 956D is a high-precision acoustic imaging camera designed for industrial maintenance, energy inspection, and safety verification. Equipped with 64 MEMS digital microphones, it captures sound waves from 2 kHz to 100 kHz, converting ultrasonic signals into a visual heat-map overlaid on a 12-megapixel visible camera​ feed. This allows technicians to see sound​ and pinpoint gas leaks, compressed air losses, and partial discharges (corona) from a safe distance.

Key Advantages:

🔍 Pinpoint Accuracy:​ Positioning accuracy of ≤ 1 cm at 1 m distance (40 kHz). Detect leaks as small as 0.05 L/min at 6 m, 1.2 bar​ — catch invisible problems before they become costly failures.

💰 Built-in Cost Estimator:​ The device automatically calculates leak rate (L/min, ml/s, ml/min) and estimates financial losses​ based on adjustable parameters: gas price, working hours, and correction factors. Justify repairs with hard data.

📊 On-Device Reporting:​ Generate professional analysis reports with spectrogram display​ directly on the device. Export as PDF via Wi-Fi, Bluetooth 4.2, or USB-C. No laptop needed in the field.

🖥️ Clear Visualization:​ 3.5-inch LCD​ (640×480) with ≥25 FPS real-time preview. Choose from 3 color palettes​ (Rainbow, Iron Red, White Hot) and 3 imaging modes​ (Single Source, Multi Source, Acoustic Holography). Adapt to any environment.

🔋 All-Day Power:​ Dual 5000 mAh Li-ion batteries​ (one in device, one spare). Removable design — hot-swap and keep working. Charge via USB-C on device or directly on battery.

Applications:​ Gas pipeline inspection, compressed air system audits, electrical substation partial discharge detection, building airtightness testing, automotive leak detection.

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Key Features 

• ✅ 64 MEMS Microphones:​ 2–100 kHz frequency range. Detects both audible and ultrasonic signals. ≤ 1 cm accuracy at 1 m.
• ✅ Gas Leak Cost Calculator:​ Auto-estimates leak rate + financial loss. Adjustable gas price, hours, correction factors.
• ✅ On-Device PDF Reports:​ Spectral analysis, spectrogram, report generation. Export via Wi-Fi / Bluetooth / USB / FTP.
• ✅ 12MP Camera + 3.5" LCD:​ 640×480 acoustic image overlay. 3 color palettes, 3 imaging modes. Full-screen or centered focus.
• ✅ 5000 mAh × 2 Batteries:​ Removable 3.7 V Li-ion. USB-C charging. Includes hard carrying case, 8 GB TF card.
• ✅ HOLDPEAK 956D:​ Industrial-grade acoustic imager. 17 languages. Tripod mount UNC ¼″-20. -20°C to +55°C operation.

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Technical Specifications

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Package Contents

• 1 × HOLDPEAK 956D Acoustic Camera
• 2 × 5000 mAh Lithium Battery (one pre-installed)
• 1 × USB-C Charging Cable
• 1 × 8 GB Micro TF Card (installed)
• 1 × Hard Carrying Case
• 1 × User Manual (English / German)

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eBay 5 Bullet Points 

✅ 64 MEMS MICROPHONES:​ 2-100kHz. Accuracy ≤1cm @1m. Detects gas leaks, air leaks, partial discharge. ≤0.05L/min sensitivity.

✅ BUILT-IN COST CALCULATOR:​ Auto leak rate + financial loss estimation. Adjustable gas price, working hours, correction factors.

✅ ON-DEVICE PDF REPORTS:​ Spectrogram analysis. Export via Wi-Fi/Bluetooth/USB/FTP. No PC needed in the field.

✅ 12MP CAMERA + 3.5" LCD:​ 640×480 overlay. 3 color palettes, 3 modes. 8GB internal + TF up to 512GB. WLAN & BT 4.2.

✅ HOLDPEAK 956D:​ 5000mAh × 2 removable batteries. USB-C charge. Hard case included. 17 languages. -20°C to +55°C.