Leak Detectors/

Electronic Leak Detectors

Electronic leak detectors use heated or ionized sensors to locate refrigerant leaks. It is important to identify refrigerant gas leaks as they can increase ozone depletion and, in large amounts, cause heart problems when inhaled by humans. Refrigerant gases are commonly used in industrial and commercial coolant systems.

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Cincinnati Test Systems, Inc.
Cleves, OH
513-367-6699
Cincinnati Test Systems Inc. is a leader in the design and manufacture of leak test and assembly verification instrumentation, such as electronic leak detectors, as well as custom solutions for a wide range of manufacturing operations. CTS serves a diverse cross section of industries, in the areas of transportation, energy, medical and consumer & industrial products.
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ATC, Inc.
Indianapolis, IN
866-282-4621
Advanced Test Concepts, Inc., which is also known as ATC, Inc., was established in 1987. Since then it has grown into a leading company in the fields of leak and flow instrumentation, testing and services, producing products like electronic leak detectors. We are positioned to meet the ever increasing demands for measurement accuracy within the manufacturing industry in the new millennium.
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Furness Controls
Indian Trail, NC
800-898-5325
Associated with and providing a complete sales, service and calibration facility for the Furness Controls Limited product line in the United States and Canada, Furness Controls' it a superior company with quality products. Their world leading product line includes electronic leak detectors, flow meters, low pressure transmitters, transducers, calibrators and micromanometers.
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LACO Technologies, Inc.
Salt Lake City, UT
800-465-1004
LACO Technologies, Inc. is a premiere facility for the engineering, sale and service of industrial, high vacuum and leak testing equipment and systems. Our inventory of vacuum pumps, vacuum chambers, electronic leak detectors and other leak detecting equipment gives you timely solutions. If you have unique requirements, let our engineers custom-design your product or system.
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KWJ Engineering Inc.
Newark, CA
510-794-4296
Staffed by personnel experienced in the manufacture and supply of gas detecting instruments and systems, such as electronic leak detectors and related products, KWJ Engineering Inc. is a company that can bring together the elements needed to solve any detection problem. Their experience and drive for continual innovation ensure that their products and systems are always the best.
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Hi-Vac Specialists
Greentown, PA
570-676-9417
Hi-Vac Specialists has been serving the vacuum needs of North America since 1986. Offering service on all manufacturers and models of leak detecting instruments and systems like electronic leak detectors, which includes Alcatel, Edwards, Leybold, Varian and CEC products. Their complete line of parts includes filaments, rebuilt sources, oils and other maintenance items and hard-to-find parts.
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Electronic Leak Detectors


Electronic leak detectors are the most sensitive mechanisms of all the leak detectors and provide the fastest path to identifying and locating a gas leak. They are used more often than the other common leak detection systems, ultrasonic leak detectors, gas detectors and flame ionization leak detectors. The electronic model can be programmed to identify a specific refrigerant or to include multiple possibilities. R12, R22 and R134a are among the most common refrigerants to be identified by electronic leak detectors, although R134a is more difficult to detect even with electronics. These numbers stand for three common gas leaks: helium, Freon and halogen. Many electronic leak detectors are handheld, to make it as easy and inexpensive as possible for owners of homes and businesses to make sure the air they breathe is safe. The danger of refrigerant gas leaks, to the health of individuals as well as to the equipment or furniture in the vicinity, can be devastating. A vast variety of industries, including medical, industrial manufacturing, aerospace and automotive shops run the risk of leaks, not to mention any home or office with a central air system or refrigerator.   

While nearly all types of leak detectors involve electronic components, heated diode and corona discharge are the two main types of electronic leak detectors. The most common electric run mechanism uses the corona discharge technology. A high voltage corona, or circle, is created in the sensing tip. When entered into the field around the sensor, refrigerants break the corona barrier and trigger an alarm to notify the user of the leak. Despite their popularity, the major flaw of corona discharge leak detectors is that the corona barrier can be broken by other particles such as dust and moisture in the air, causing a false alarm. The heated diode electronic leak detectors, although they function in much the same way, have fewer false positives because of the heated sensor. The heated sensors of this particular detector are triggered by absolute concentration, which causes alerts to increase as refrigerant amounts increase indicating proximity to the leak.