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Electronic Leak Detectors

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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. Read More…

Electronic Leak Detectors Electronic leak detectors use heated or ionized sensors to locate refrigerant leaks.
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Leading Manufacturers

Lexington, MA  |  800-882-7426

Total vacuum and leak detection solutions, including VS Series Helium Mass Spectrometer Leak Detectors. We provide industry-leading mass spectrometer and selective ion pumping leak detectors in portable, mobile and component models, as well as primary, high and ultra-high vacuum pumps.

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Agilent Technologies: Vacuum Products Division $$$

Milwaukee, WI  |  414-282-4840

Dorlen Products specializes in water leak detection services and products like water leak detectors, Ceiling Guard, Water Alert, plus Water Alert and Sensor Cable. These products come with a five-year warranty. We have been providing high-quality products and service since 1975. For more information, call Dorlen or visit our website!

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Dorlen Products, Inc. $$$

Nashua, NH  |  800-248-8254

The Pfeiffer Vacuum ASM 340 performs helium or hydrogen leak detection in vacuum and sniffer modes. It detects leaks to 5x 10-12 mbar l/s in vacuum mode and 5x10-9 mbar l/s in sniffing mode. This durable, high performance leak detector offers I/O interface, SD memory card and wireless remote operation up to 100 meters.

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Pfeiffer Vacuum, Inc. $$$

Niles, IL  |  847-966-2190

PermAlert™ is the leading leak detection technology provider since 1988. As a division within the PERMA-PIPE, Inc. company, we work closely with clients across the globe to address their leak detection challenges and ensure maximum protection of their assets. PerrmAlert design, manufacture, and service a range of leak detection systems for a variety of applications. Our commitment to innovation allows us to deliver the best and most reliable solution for our clients.

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Perma-Pipe, Inc. $$$
placeholder image Agilent Technologies: Vacuum Products Division Dorlen Products, Inc. Pfeiffer Vacuum, Inc. Perma-Pipe, Inc.

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.

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