Shanghai Kstone S&T Development Co .,LTD.
| Payment Terms | T/T |
| Supply Ability | 100 per year |
| Delivery Time | 10 work days |
| Packaging Details | Carton / Wooden Box |
| Accuracy | 0.01ppm |
| Detection Range | 0.01ppm-1000ppm |
| Response | ≤1 second in 100ppm |
| Measurement Accuracy | ≥10 (capable of detecting 0.01ppm SF6 concentration) |
| Physical Dimensions | 430×275×429mm (Length×Width×Height); net weight approximately 19.8kg |
| Durable Design | 4m vacuum hose (extendable to 6m) and 2m power cable (extendable to 6m), suitable for complex detection environments |
| Operating Conditions | Stable performance in 5℃-50℃ temperature range and humidity >80%; continuous working time ≤8 hours |
| Enterprise Credibility | China's national standard GB/T11023-2018 |
| Brand Name | KSTONE |
| Model Number | LF-1G |
| Certification | ISO9000 |
| Place of Origin | Shanghai |
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Product Specification
| Payment Terms | T/T | Supply Ability | 100 per year |
| Delivery Time | 10 work days | Packaging Details | Carton / Wooden Box |
| Accuracy | 0.01ppm | Detection Range | 0.01ppm-1000ppm |
| Response | ≤1 second in 100ppm | Measurement Accuracy | ≥10 (capable of detecting 0.01ppm SF6 concentration) |
| Physical Dimensions | 430×275×429mm (Length×Width×Height); net weight approximately 19.8kg | Durable Design | 4m vacuum hose (extendable to 6m) and 2m power cable (extendable to 6m), suitable for complex detection environments |
| Operating Conditions | Stable performance in 5℃-50℃ temperature range and humidity >80%; continuous working time ≤8 hours | Enterprise Credibility | China's national standard GB/T11023-2018 |
| Brand Name | KSTONE | Model Number | LF-1G |
| Certification | ISO9000 | Place of Origin | Shanghai |
The LF-1G is the upgraded LF-1D+ model, adopting radiation-free high-frequency magnetic field low-voltage ionization technology.
With an ultra-high sensitivity of 0.01ppm, the detector allows engineers to accurately identify extremely small leaks and locate leak points quickly.
The equipment is widely used by:
It is suitable for SF6 sealing detection and micro-leak positioning in GIS and high voltage switchgear equipment.
Detect extremely small SF6 leaks in sealed high-voltage equipment.
Real-time ppm concentration display allows engineers to evaluate leakage levels accurately.
Response time ≤1 second enables quick leak point localization.
Compact design makes it ideal for substation inspection and field maintenance.
Metal chassis and cleanable air inlet ensure long service life in industrial environments.
Gas insulated switchgear uses SF6 as insulation gas.
Even very small leaks may affect equipment reliability.
The SF6 quantitative leak detector allows engineers to locate micro leaks in GIS equipment quickly.
Switchgear manufacturers use leak detectors during factory testing to ensure equipment sealing performance.
Power utilities use portable SF6 leak detectors during routine inspection of high-voltage equipment.
Engineers and maintenance teams working with HV switchgear and GIS equipment often search for reliable alternatives to well-known brands such as:
The KSTONE SF6 Quantitative Leak Detector provides a cost-effective and high-performance solution designed for professional gas leak detection in power utilities and switchgear manufacturing.
Compared with traditional imported detectors, KSTONE offers:
It is widely used by:
For users seeking an alternative to DILO, WIKA or USON SF6 leak detectors, KSTONE provides a reliable solution with professional technical support and customization options.
| Item | Technical Parameters |
|---|---|
| Detection Sensitivity | 0.01ppm |
| Indication Method | LCD ppm display; buzzer frequency changes with concentration |
| Vacuum Hose/Power Line | 4m (6m towing)/2m (6m towing) |
| Input Power/Rated Power | 220V±22V 50Hz±2Hz / 250W |
| Continuous Working Time | ≤8 hours |
| Base Value Range (SF6-free) | 27-30 (standard:28) |
| Calibration Requirement | Calibrate to 27-30 in SF6-free environment before use |
| Special Accessories | Filter cover, special pump oil, dedicated key |
SF6 gas is widely used as an insulation medium in high voltage equipment.
However, even small leaks may lead to:
High-sensitivity leak detection allows engineers to identify leakage at an early stage and maintain equipment reliability.
The detector can be customized according to customer requirements, including:
We also supply complete SF6 gas handling solutions, including:
If you are looking for a high sensitivity SF6 leak detector for GIS or switchgear, please contact us.
Our engineers can provide:
Email: info@kstone-sf6.com
Company Details
Business Type:
Manufacturer
Year Established:
2013
Total Annual:
500,00,00-600,00,00
Employee Number:
40~60
Ecer Certification：
Verified Supplier
Manufacturer of SF6 testing instruments and equipment with the most complete range of products from China, with 13 years of professional experience Company Profile Leading SF6 testing equipment manufacturer (with over 1000 customers all over the world) Passed ISO9001 new version certification Do... Manufacturer of SF6 testing instruments and equipment with the most complete range of products from China, with 13 years of professional experience Company Profile Leading SF6 testing equipment manufacturer (with over 1000 customers all over the world) Passed ISO9001 new version certification Do...
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