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SF6 Recovery System
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SF6 Gas Tester
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SF6 Leak Detector
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Gas Leak Detector
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Dew Point Meter
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Online Monitoring System
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Dry Air Equipment
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SF6 Vacuum Pump
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Gas Mixing Unit
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Refrigerant Recycling Machine
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Refrigerant Leak Detector
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SF6 Gas Purification
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SF6 Accessories
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Partial Discharge Detector
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C4F7N Series Instruments And Equipment
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Helium Mass Spectrometer
Portable SF6 Gas Analyzer with Dew Point Measurement, Gas Recovery Function, and High-Precision SF6 Analysis
| SF6 Purity Measurement Range | 0~100 Vol.% | SF6 Purity Measurement Accuracy | ±0.1 Vol.% |
|---|---|---|---|
| Dew Point Measurement Range | -80 ~ +20°C Dew Point | Dew Point Measurement Accuracy | ±1℃ |
| Operating Temperature | -30°C~+60°C |
The KS30-C+S+R SF6 Gas Analyzer is a portable multi-functional testing instrument designed for accurate measurement of SF6 gas purity and moisture content in gas-insulated equipment.
Featuring a constant-temperature and adiabatic measurement system, the analyzer minimizes the influence of ambient temperature and humidity, ensuring highly reliable results even in demanding field environments.
The integrated gas recovery function allows tested SF6 gas to be pumped back into electrical equipment after measurement, reducing gas emissions and supporting environmentally responsible maintenance practices.
The instrument is widely used for GIS substations, circuit breakers, gas-insulated switchgear, power utilities, chemical plants, steel plants, and industrial gas applications.
- High-Precision SF6 Analysis: Measures both SF6 purity and moisture content with excellent repeatability and long-term stability.
- Built-in Gas Recovery System: Automatically returns sampled SF6 gas back to equipment after testing, minimizing gas loss and reducing environmental impact.
- Constant-Temperature Measurement Technology: Advanced thermal insulation design reduces the influence of external temperature and humidity fluctuations.
- Fast Response Time: Provides rapid dew point and purity measurements for efficient field testing.
- Color Touch Screen Interface: User-friendly graphical operation system for quick setup and intuitive operation.
- Large Data Storage Capacity: Stores up to 200 test records and supports USB data export for reporting and analysis.
| Parameter | Specification |
|---|---|
| Dew Point Range | -80°C to +20°C |
| Accuracy | ±1°C |
| Resolution | 0.1°C |
| Gas Flow Rate | 0.25-0.35 L/min |
| Pressure Measurement | 0-1.0 MPa |
| Parameter | Specification |
|---|---|
| Measurement Range | 0-100% SF6 |
| Accuracy | ±0.1% |
| Repeatability | Excellent |
| Response Time | 30 Seconds |
| Parameter | Specification |
|---|---|
| Operating Voltage | 220VAC ±10% |
| Data Storage | 200 Records |
| USB Interface | USB 1.1 |
| Operating Temperature | -30°C to +60°C |
| Storage Temperature | -40°C to +70°C |
| Gas Recovery Pressure | Max 0.7 MPa |
| Dimensions | 572 * 440 * 240 mm |
| Weight | 27 kg |
- GIS (Gas Insulated Switchgear) maintenance
- High-voltage circuit breaker testing
- SF6 gas filling and commissioning
- Power transmission and distribution systems
- Electrical utility maintenance departments
- SF6 gas recycling and recovery operations
- Industrial gas quality inspection
- Chemical and metallurgical industries
KS30 Series Model Selection
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Purity |
Dew Point |
SO2 |
H2S |
CO |
HF |
Gas Recovery |
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KS30 |
✔ |
✔ |
✔ |
✔ |
✔ |
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KS30-6 |
✔ |
✔ |
✔ |
✔ |
✔ |
✔ |
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KS30-3 |
✔ |
✔ |
✔ |
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KS30-T |
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✔ |
✔ |
✔ |
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KS30-TC |
✔ |
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✔ |
✔ |
✔ |
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KS30-CS |
✔ |
✔ |
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KS30-4 |
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✔ |
✔ |
✔ |
✔ |
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KS30-C3 |
✔ |
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✔ |
✔ |
✔ |
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KS30-C4 |
✔ |
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✔ |
✔ |
✔ |
✔ |
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KS30-C |
✔ |
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KS30-R-* |
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✔ |
Measure and Recover Gas in One Operation: Unlike conventional analyzers that vent sampled gas into the atmosphere, the KS30-C+S+R returns gas directly to the equipment after testing.
Reduced SF6 Gas Consumption: Helps utilities lower operating costs and comply with environmental management requirements.
Reliable for GIS Maintenance: Designed specifically for high-voltage switchgear and gas-insulated substations.
An SF6 gas analyzer measures gas purity, moisture content (dew point), and overall gas quality inside electrical equipment.
Low SF6 purity can reduce insulation performance and affect the safe operation of GIS and circuit breakers.
The required dew point depends on utility standards, but lower moisture levels generally indicate better insulation performance.
Yes. The KS30-C+S+R includes a built-in gas recovery function that pumps sampled gas back into equipment.
Yes. It is specifically designed for GIS, circuit breakers, and gas-insulated electrical equipment.
The analyzer provides ±0.1% accuracy across the full SF6 measurement range.
Yes. The KS30-C+S+R provides SF6 purity and moisture measurement together with gas recovery functionality, making it a suitable alternative for many GIS maintenance applications.
| Feature | KS30-C+S+R | 3-038R-R201 |
|---|---|---|
| Purity Measurement | ✓ | ✓ |
| Humidity Measurement | ✓ | ✓ |
| Gas Recovery | ✓ | ✓ |
| SF6 Purity Measurement | ||
| Measuring Range | 0~100 vol.% | 0~100 vol.% |
| Measuring Accuracy | ±0.1 vol.% | ±0.5 vol.% |
| Dew Point Measurement | ||
| Measuring Range | -80 ~ +20°C Dew Point | -60 ~ +20°C Dew Point |
| Measuring Accuracy | ±1℃ | ±2℃(>-40℃)/ ±3℃(< -40℃) |
| Gas Flow Rate | 0.25~0.35L/min | 20 L/h (SF6)≈ 0.33 L/min |
| Data Storage | 200 units | 500 units |
| Data Interface | USB | USB/LAN/WLAN |
| Operating Temperature | -30°C~+60°C | -10 °C ~ +50 °C |
Looking for a reliable SF6 Gas Analyzer with gas recovery capability?
Contact Shanghai Yushi Technology Development Co., Ltd. for technical specifications, pricing, and international delivery support.
Send us your technical requirements and application details.
Our engineering team will provide a suitable solution within 24 hours.
Email: info@kstone-sf6.com

