RA912F SF6 Gas Analyzer

RA-912F SF₆ Gas Analyzer with Pump-Back System

The RA-912F is a high-performance, portable SF₆ gas analyzer designed to measure gas purity, moisture, and decomposition by-products such as SO₂, H₂S, and CO with precision and reliability. Engineered for field use, this unit features a built-in gas pump-back system that enables zero-emission testing by recovering and refilling SF₆ gas back into the system or external storage, making it a vital tool for power utilities, substation maintenance teams, and gas monitoring professionals.

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Key Features & Benefits

All-in-One Gas Measurement – Accurately measures SF₆ gas purity, moisture content, and decomposition gases (SO₂, H₂S, CO) to ensure the integrity of gas-insulated equipment.

Zero Emission System – Built-in pump-back technology allows full gas recovery, reducing environmental impact and minimizing gas loss.

Large 10.4” Touch Screen – Intuitive touchscreen interface combined with physical key input for flexible, user-friendly operation.

One-Key Automatic Testing – Simplifies operation with automated test sequences and real-time data locking.

Expert Diagnostic Function – Evaluates results against predefined standards to provide pass/fail guidance.

Modular & Maintainable – Proprietary design supports sensor replacement and module-level repairs for extended life and low maintenance.

USB Data Export & Storage – Stores large volumes of test data with easy export via USB.

Rugged Field Design – Housed in a waterproof, dustproof, and shockproof IP67-rated trolley case with wheels for portability.

Long Battery Life – High-capacity 5200 mAh rechargeable battery supports multiple tests on a single charge.

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Applications

• Routine monitoring of gas-insulated switchgear (GIS)
• SF₆ gas quality verification during maintenance and commissioning
• Environmental compliance testing in substations
• Decomposition analysis to detect early-stage faults or gas contamination

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Technical Specifications

Measurement Capabilities:

• Purity: 90–100% (mass), 65–100% (volume), ±0.2% accuracy
• Moisture: –60°C to +20°C, ±2°C accuracy
• Decomposition Gases:
  • SO₂: 0–100 ppm
  • H₂S: 0–100 ppm
  • CO: 0–500 ppm

Recovery & Refilling:

• Refilling/Recovery Pressure: ≤0.8 MPa.a
• Venting Pressure: Atmospheric

General Specs:

• Display: 10.4" touchscreen
• Battery: 5200 mAh Li-ion, ≥10 test cycles per charge
• Protection: IP67 waterproof/dustproof
• Dimensions: 560 x 455 x 265 mm
• Weight: 25 kg

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The RA-912F combines advanced gas analysis with environmentally responsible design. It is the trusted solution for SF₆ gas diagnostics, helping professionals ensure equipment safety, regulatory compliance, and operational efficiency with every test