1. Accurate Density Monitoring: Measures absolute SF₆ gas density, unaffected by ambient temperature changes, to detect gas leakage in switchgear gas compartments.
2. Visual Color Indication: Three-color dial (red/green/blue) clearly shows safe (green), low-pressure alarm (red), and overpressure (blue) status for quick on-site inspection.
3. Temperature Compensation: Built-in compensation ensures precise readings across -40°C to +85°C, eliminating false alarms caused by temperature fluctuations.
4. Corrosion-Resistant Construction: Full stainless steel (304/316) body and connection tube, compatible with SF₆ gas environments and resistant to vibration and corrosion.
5. Safety Interlock Support: Can integrate with alarm/blocking circuits to trigger warnings or lockout when gas density drops below safe thresholds.
1. Stainless Steel Gauge Body: Sealed, robust housing for pressure sensing and protection.
2. Temperature Compensation Element: Maintains measurement accuracy under varying ambient temperatures.
3. Color-Coded Dial: Intuitive red/green/blue scale for instant status recognition.
4. Flexible Stainless Steel Connection Tube: Enables easy installation on SF6 RMU gas compartments.
5. Threaded Connection Interface: Standard M20×1.5 / G1/2 for universal compatibility with switchgear.
| Parameter | Specification |
|---|---|
| Measuring Medium | SF₆ Gas |
| Measuring Range | 0 – 2.0 bar abs (customizable) |
| Reference Condition | 20°C |
| Accuracy Class | ±1.5% FS |
| Operating Temperature | -40°C ~ +85°C |
| Connection Interface | M20×1.5 / G1/2 (customizable) |
| Protection Grade | IP65 |
| Material | Stainless Steel 304/316 |
| Compliance | IEC 60282, GB/T 11023 |
1. SF6 Ring Main Units (RMU) & Inflatable Cabinets: Primary gas density monitoring component for 12kV/24kV gas-insulated switchgear.
2. Gas Insulated Substations (GIS): Integrated into high-voltage SF₆ equipment to detect leakage and ensure insulation integrity.
3. Power Distribution Networks: Deployed in urban grids, industrial substations, and data centers to prevent insulation failure and ensure grid safety.
4. Power Maintenance & Safety: Used by utility teams for routine inspections and early warning of gas leaks in medium-voltage switchgear.
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