Online Dissolved Gas Monitoring System (300)

Online DGA (PAS) Monitoring System

Next-Level Transformer Health Monitoring

The Hertzinno HZ-DGA-300 is an advanced online dissolved gas analysis (DGA) system engineered for long-term, maintenance-free performance. Using cutting-edge MEMS technology and patented photoacoustic spectroscopy (PAS), it delivers highly sensitive detection of critical transformer gases—H₂, CH₄, and C₂H₂—along with trace moisture content and gas growth trends.

✅ 3-Gas Detection Moisture Monitoring – Accurately analyze key fault gases and track degradation.
✅ Zero Maintenance for Over 10 Years – Built for uninterrupted 24/7 operation.
✅ Auto-Calibration with MEMS IR Reference – Ensures consistent, long-term stability.
✅ Fast, Precise Measurements – Typical cycle time of under 30 minutes.
✅ No Carrier or Calibration Gases Required – Reduces operating costs and simplifies setup.

Designed for seamless integration, the HZ-DGA-300 supports web-based monitoring software accessible via browser, enabling remote diagnostics and analysis anytime, anywhere.

💡 Key Advantages:

Vacuum Gas Extraction Sampling

Duval Triangle Analysis Support

Secondary Optical Chamber Design – Enhances sensitivity and protects optics

Wide Temperature Range: -40°C to 70°C

Compatible with Mineral Oil & Synthetic Ester Liquids

Whether you're overseeing substations or managing transformer fleets, the HZ-DGA-300 delivers real-time, actionable insights to help you prevent failures, extend asset life, and optimize grid reliability.