SF6 Quantitative Leak Detector for GIS Switchgear

Place of Origin Shanghai
Brand Name KSTONE
Certification ISO9000
Model Number LF-1D+
Document LF-1D+.pdf
Minimum Order Quantity 1
Price $3000-$3500
Packaging Details Carton / Wooden Box
Delivery Time 10 work days
Payment Terms T/T
Supply Ability 100 per year
Product Details
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
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Product Description
SF6 Quantitative Leak Detector for GIS Switchgear
High Sensitivity SF6 Gas Leak Detection Device
Designed for GIS Switchgear, Circuit Breakers and Substation Maintenance
Model: LF-1D+
Key advantages
  • Ultra-High Sensitivity 0.01 ppm SF6 Leak Detection
  • Accurate Quantitative ppm Display
  • Fast Leak Location for GIS & High Voltage Equipment
  • Portable Design for Substation Field Inspection
  • Designed for Utilities, Grid Companies and Switchgear Manufacturers

High sensitivity (up to approximately 0.01 ppm) and fast response enable the device to locate tiny leaks in GIS and high-voltage switchgear.

  • Designed for Power Industry
  • Used in GIS Switchgear Inspection
  • Reliable SF6 Leak Detection Technology
  • Support Global Utilities & Electrical Manufacturers
Professional SF6 Leak Detection Solution for High Voltage Equipment

The SF6 Quantitative Leak Detector is a professional instrument designed for locating and measuring SF6 gas leaks in GIS switchgear, circuit breakers, gas insulated substations and other high voltage equipment.

With high sensitivity detection technology and fast response performance, the device can quickly identify even very small SF6 leakage points, helping engineers maintain equipment safety and reduce gas loss.

This instrument is widely used by:

  • Power utilities
  • Substation maintenance teams
  • GIS switchgear manufacturers
  • Electrical testing laboratories
  • Industrial power systems

Its portable design and reliable detection capability make it an essential tool for SF6 gas maintenance and leak inspection.

Key Features of the SF6 Quantitative Leak Detector
High Sensitivity Detection

The detector can identify extremely small SF6 leakage concentrations, enabling early detection of gas loss.

Quantitative Leak Measurement

Unlike traditional leak detectors, the device provides accurate numerical concentration values, helping engineers analyze leak severity.

Fast Response Time

Rapid response allows technicians to quickly locate leakage points in GIS equipment.

Portable Handheld Design

Lightweight structure allows convenient operation during field inspections in substations and industrial sites.

Clear Digital Display

Real-time display of SF6 concentration levels improves monitoring efficiency.

Reliable Industrial Performance

Designed for continuous operation in demanding electrical environments.

SF6 Quantitative Leak Detector for GIS Switchgear 0SF6 Quantitative Leak Detector for GIS Switchgear 1

Applications of the SF6 Leak Detector

The detector is widely used in the inspection and maintenance of SF6 insulated electrical equipment.

GIS Switchgear Inspection

Detect SF6 leakage in gas insulated switchgear compartments.

High Voltage Circuit Breakers

Monitor gas leakage in circuit breaker gas chambers.

Substation Maintenance

Routine inspection for gas insulated substations.

Switchgear Manufacturing

Leak detection during equipment production and testing.

Electrical Testing Laboratories

Used in SF6 gas testing and equipment commissioning.

Technical Specifications
Item LF-1D+ SF6 Quantitative Leak Detector
Measurement Accuracy ≥10, it can detect SF6 with a concentration of 0.01ppm Measurement Range
Measurement Range 0.01ppm - 1000ppm
Response Time No more than 1 second for 10, that is, for 100ppm gas
Indication Method LCD digital display. The greater the leakage concentration, the greater the change of the digital value. At the same time, the frequency of the buzzer sound changes more significantly.
Vacuum Hose 4 meters (the towable length is 6 meters)
Power Input Cable 2 meters (the towable length is 6 meters)
Input Power 220V±22V, 50Hz±2Hz
Overall Dimensions 430*275*429mm (Length * Width * Height)
Packaging Foam carton
Continuous Working Time Generally no more than 8 hours
Ambient Temperature 5℃ - 50℃
Ambient Humidity It can adapt to environments with humidity over 80%
Power 250W
Net Weight Approximately 19.8KG

Leak detection for Kema certification


Why Choose Our SF6 Leak Detector?
Advantages of Our SF6 Detection Technology
Designed for the Power Industry
  • Specially developed for SF6 insulated electrical equipment.
Accurate Leak Identification
  • Advanced sensing technology ensures reliable leak detection.
Easy Operation
  • User-friendly design suitable for engineers and field technicians.
Durable Industrial Construction
  • Suitable for long-term use in substations and electrical maintenance environments.
Global Applications
  • Our equipment is widely used by utilities, switchgear manufacturers and electrical contractors worldwide.
Typical Users of This Device
The SF6 leak detector is used by professionals in:
  • Power grid companies
  • Substation maintenance contractors
  • GIS switchgear manufacturers
  • Electrical testing laboratories
  • Power plants
  • Industrial power systems

It helps engineers quickly locate gas leaks and ensure the reliable operation of SF6 insulated power equipment.

Frequently Asked Questions
What is an SF6 leak detector used for?

An SF6 leak detector is used to locate and measure leakage of SF6 gas in high voltage electrical equipment such as GIS switchgear and circuit breakers.


Why is SF6 leak detection important?

SF6 gas leakage can reduce equipment insulation performance and increase environmental impact. Regular inspection helps maintain safe and reliable operation.


Where is this detector commonly used?

The device is widely used in substations, switchgear factories, electrical testing laboratories and industrial facilities.

Request a Quote

Looking for a reliable SF6 Leak Detector for GIS Switchgear Maintenance?

Our engineers can help you select the most suitable solution for your application.

  • Technical consultation
  • Fast quotation
  • Global shipping
  • OEM customization available

Send us your inquiry today.