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SF6 Q200 GAS LEAK DETECTOR Gas Leak Detector SF6 Leak Testing
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Ultra High Sensitivity
Q200,a nearly 30-years of high quality product, is the ultimate in instrumentation for high-sensitivity tracer gas leak detection. It is designed to locate and quantify leaks in industrial, military and laboratory applications. The first generation Q200 – Modle:iTi Qualitek 200 – SF6 leak detector was developed by AI Qualitek in UK in 1991. The world’s advanced Electron Capture (ECD) principle is used in the SF6 Leak Detector Q200. The advent of ECD principle makes the qualitative detection of electron-negative substances achieve a qualitative leap, which is one of the three breakthroughs in trace detection in the 21st century. In 2002, Uson Ltd., who is the World Leader in Leak Testing in USA took over the production and sales of Q200,Modle:Qualichek 200.
In 2015, all of the manufacture and business was transferred to D-Industrial Shanghai. After nearly 30 years of iterative update, the Q200 now has higher accuracy, sensitivity and stability, and is close to perfect in detection performance. At present, Q200 is widely used in electric power, High-Voltage Switchgear,laboratory fume hood, building ventilation, mine ventilation, torpedo head and military products, helicopter rotor blades, fire extinguisher testing, storage vessels, gas delivery system and other industries related to SF6 gas. Q200’s high precision, sensitivity and stability and other outstanding performance have been affirmed by the users.

Portable and easy to use
Responds to SF6, refrigerants and other electron capturing compounds
Fast response and recovery
Locates position of leaks
Quantifies the leak rate
Displays leak rate or concentration
Measurement storage facility
The Q200 is a portable instrument, supplied in a carrying case holding the power supply and electronics,a small cylinder of compressed argon gas, and the main display panel. The detector is mounted in a hand-held probe, attached to the main unit by a 10 ft (3.5 meter)umbilical connection. A display panel is mounted in the hand probe enabling the operator to monitor measurements even when working in difficult locations.
The instrument is extremely easy to use, and provides highly accurate leak rate measurements. The response is instantaneous with quick recovery from exposure to high concentrations of trace gas.
Q200 Facilities
Adjustable audible alarm, activated when user’s set leak rate limit is exceeded
Factory calibrated for SF6
Simple user recalibration facility
Diagnostic menu identifies fault conditions
High-Voltage Switchgear
Laboratory Fume Hood Testing( Approved for ASHRAE 110-2016 & EN 14175-3 )
Building ventilation
Mine ventilation
Torpedo Head of Military Products
Helicopter Rotor Blade
Testing Fire extinguisher
Storage Vessles
Gas Delivery System

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