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The PASL-3000 is an advanced online Dissolved Gas Analysis (DGA) system designed for real-time, non-invasive monitoring of dissolved gases in transformer insulating oil. Based on laser photoacoustic spectroscopy (PAS), it offers high sensitivity, accuracy, and reliability. The system is ideal for preventive diagnostics and fault prediction in power grids, substations, renewable energy, and rail transit transformers.
Parameter | Value |
Monitoring Method | Laser Photoacoustic Spectroscopy (PAS) |
Detected Gases | H2, CH4, C2H2, C2H4, C2H6, CO, CO2 |
Detection Range | 0-10000 ppm |
Accuracy | ±1 ppm (varies by gas) |
Response Time | ≤10 minutes |
Installation | Outdoor cabinet / near transformer |
Operating Temp | -20°C to +60°C |
Humidity Tolerance | ≤95% RH (non-condensing) |
Power Supply | AC 220V, 50Hz |
Communication Options | RS485, Ethernet, 4G (optional), IEC 61850 |
Protection Level | IP65 |
Q1: What gases can the PASL-3000 detect?
A: It detects 7 key fault gases in transformer oil: Hydrogen (H2), Methane (CH4), Acetylene (C2H2), Ethylene (C2H4), Ethane (C2H6), Carbon Monoxide (CO), and Carbon Dioxide (CO2).
Q2: Is this a real-time monitoring system?
A: Yes, it provides fully automated, online, continuous monitoring without the need for manual sampling.
Q3: Can the system be monitored remotely?
A: Absolutely. It connects to a smart digital platform for remote access, alarms, and data visualization via PC or mobile device.
Q4: What is the main advantage of laser PAS technology?
A: PAS provides high accuracy, low detection limits, and reduced cross-sensitivity, making it superior to traditional gas chromatography in some real-time applications.
Q5: How often does the system require maintenance?
A: It is designed for low-maintenance, long-term operation. Regular calibration and periodic checks are recommended based on operating conditions.