SF6 Quantitative Leak Detector for GIS Inspection & Industrial SF6 Leak Testing

Product Overview

The LF-300 SF6 Quantitative Leak Detector features touch screen ppm display with a minimum resolution of 0.01 ppm for accurate quantitative leak analysis.

It supports both qualitative leak detection and quantitative leak detection, enables accurate calculation of annual leakage rate, and is suitable for bagging method leak testing.

The LF-300 SF6 Quantitative Leak Detector is a high-sensitivity SF6 gas leak testing device designed for GIS switchgear inspection, industrial maintenance and electrical equipment manufacturing applications.

The equipment adopts high-frequency magnetic field and low-voltage ionization detection technology, providing accurate and reliable SF6 micro leak detection performance.

The LF-300 is designed without radioactive sources, ensuring safe operation and long-term industrial reliability during daily inspection work.

With no consumable components inside the detector, the equipment offers low maintenance cost and durable long-term performance.

The detector supports optional external lithium battery inverter power supply, making it suitable for both factory inspection and portable field applications.

Its fast response speed, high sensitivity and intelligent touch screen display make the LF-300 an ideal solution for SF6 leak testing in GIS switchgear environments.

Why SF6 Leak Detection Is Important

SF6 gas is widely used in gas-insulated switchgear and high-voltage electrical equipment because of its excellent insulation performance.

Even small SF6 leakage may affect equipment insulation reliability, operational safety and long-term system performance.

Accurate SF6 leak detection is therefore critical during manufacturing, commissioning and maintenance processes.

Traditional leak testing equipment may suffer from slow response speed, unstable operation or complicated maintenance procedures.

Industrial environments also require reliable leak detection systems capable of stable operation under varying temperature and humidity conditions.

Power utilities and switchgear manufacturers therefore require a high-sensitivity SF6 quantitative leak detector for precise industrial inspection applications.

LF-300 SF6 Leak Detection Solution

The LF-300 is developed to provide fast, accurate and stable SF6 leak detection for industrial inspection and electrical maintenance environments.

The equipment adopts high-frequency magnetic field and low-voltage ionization technology for precise identification of SF6 micro leakage points.

Its ultra-fast response speed allows operators to quickly locate leakage sources during inspection processes.

The detector features touch screen ppm display with a minimum resolution of

0.01 ppm for accurate quantitative leak analysis.

Integrated audible alarm and LCD digital display provide clear leak concentration indication during operation.

The detector also features excellent “poisoning” recovery capability, allowing rapid recovery even under high SF6 concentration environments.

The aluminum alloy anti-collision carrying case improves equipment protection during transportation and field operation.

Optional external lithium battery inverter power supply further improves portability for outdoor inspection applications.

Specifications

The LF-300 combines ultra-fast response, high sensitivity and portable industrial design, making it suitable for GIS inspection and SF6 leak testing applications.

Applications of LF-300 SF6 Leak Detector

The LF-300 SF6 leak detector is widely used in GIS switchgear inspection, electrical maintenance and industrial SF6 leak testing applications.

Typical applications include GIS manufacturing inspection, substation maintenance, switchgear leak testing and gas-insulated equipment servicing.

The equipment is suitable for both factory quality inspection and outdoor field maintenance requiring portable high-sensitivity leak detection capability.

Its lightweight detector structure and optional lithium battery power supply make it ideal for mobile inspection environments.

The LF-300 is also suitable for power utilities, switchgear manufacturers and electrical testing service providers.

How the SF6 Leak Detector Works

The LF-300 uses high-frequency magnetic field and low-voltage ionization technology to analyze SF6 gas concentration during leak testing.

During operation, the detector continuously samples surrounding air through its gas detection system.

When trace SF6 gas is detected, the detector analyzes gas concentration and displays quantitative leakage values in real time.

The touch screen and LCD display provide clear ppm readings, while the buzzer alarm frequency changes according to leakage concentration.

Its fast recovery capability allows the detector to quickly return to normal operation after exposure to high SF6 concentration environments.

The equipment provides stable performance under industrial temperature and humidity conditions.

Key Features

High Sensitivity Detection

Detects SF6 gas leakage from 0.01 ppm for accurate industrial leak testing.

Fast Response Speed

Response time as fast as 0.5 seconds for efficient leakage inspection.

Touch Screen Display

Real-time ppm concentration display with 0.01 ppm resolution.

Excellent Recovery Capability

Rapid recovery performance even after exposure to high SF6 concentration environments.

Portable Industrial Design

Compact structure with aluminum alloy anti-collision carrying case for field inspection.

Low Maintenance Cost

No consumable components and durable structure reduce long-term maintenance requirements.

How To Choose an SF6 Leak Detector

Choosing the correct SF6 leak detector depends on required sensitivity, inspection environment and operational portability.

For GIS switchgear inspection and industrial maintenance work, high sensitivity and fast response speed are critical factors.

Users should also consider recovery capability, display accuracy and environmental adaptability during equipment selection.

Portable field inspection applications may require lightweight structure and optional battery power support.

For continuous industrial leak testing, durable construction and low maintenance requirements are also important considerations.

The LF-300 is recommended for customers requiring portable operation, high-speed response and accurate SF6 quantitative leak detection capability.

Why Choose KSTONE

National Standard Drafting Expertise

KSTONE is one of the drafting institutions for the national standard GB/T 11023-2018  High-voltage switchgear—SF₆ gas tightness test method.

High Sensitivity Detection

Accurate SF6 leak detection with 0.01 ppm resolution.

Fast Response Performance 

Rapid leak identification for efficient field inspection work.

Portable Industrial Design

Compact structure with durable aluminum alloy carrying case.

Reliable & Low Maintenance 

No consumable components and long-term industrial durability.

FAQ

What is the minimum detection resolution of the LF-300?

• The LF-300 provides a minimum resolution of 0.01 ppm for precise SF6 leak testing applications.

Is the LF-300 suitable for portable field inspection?

• Yes. The equipment features a compact structure and supports optional external lithium battery power supply.

How fast is the detector response speed?

• The LF-300 response time is as fast as 0.5 seconds at 10 ppm SF6 concentration.

Does the detector contain radioactive sources?

• No. The LF-300 adopts non-radioactive detection technology for safe operation.

Can the hose length be customized?

• Yes. The standard hose length is 3 meters and can be customized up to 10 meters.

Request a Quote for SF6 Leak Detection Equipment

Send us your technical requirements and application details.

Our engineering team will provide a suitable SF6 leak detection solution within 24 hours.

Email: info@kstone-sf6.com