Ultrasonic Leak Detectors

The Flex.US Ultrasonic Leak Detector is a hand held, high quality compressed air leak detection system that has all the features necessary for flexible use in finding costly air leaks.

The complete kit includes the FLEX.US unit, carrying case, manual, and two AA alkaline batteries The unit converts the ultrasonic noise of a leak into a sound humans can hear (a hissing sound) and not just a beepor LED display that may not distinguish a leak sound from other phenomenon. Built to last, the FLEX.US is a solid tool with excellent features and is of a quality that will guarantee many years of service.

Ultrasound is beyond human hearing capacity. Most humans hear frequencies from 2- Hz to 20 kHz. Ultrasonic sound is beyond thisrange at 20 kHzto 100 kHz. The FLEX.US unit convertsthe ultrasonic sound to an audible range to humans. Compressed airleaks generate thisrangeof ultrasound “noise” thatthe unit picks up.

Remember

The better the system, the more leaks you find and the more money you save! Always beware of cheap detectors that just may not do the job.Ours does the job because of the following:

First

Look at the headphones. If they are an open walkman style, these will be useless in a noisy plant because they offer absolutely NO protection from the ambient noise which can be at high levels! (After all, why else would you need an ultrasonic leak detector!) Our headphones completely cover the ear providing 130 dBA hearing protection. Some competitive units would not be useable in a typical factory where hearing protection is mandatory because the inspector would have to insert ear plugs in his ears. Our headphones don’t require this.

Second

Look at frequency range. Our frequency is centered at 38.4 kHz with an open window of +/- 2 kHz. By having a bandwidth this narrow we are able to eliminate other sources of ultrasonic parasite noise. It is absolutely critical that you amplify just this narrow single harmonic band of sound. Some detectors amplify every frequency from 20 kHz up to 100 kHz. That’s because the manufacturer did not include any low pass filters. This affects the output signal in the headphones and also affects the directionality of the device. At low frequency it is much more difficult to know where the sound is coming from because the wavelength is larger and more reflective.

Third

Extension tubes. For a ccessing tight areas some firms suggest using a hollow tube (tubular extension) with their system. Ultrasound will not travel well into this tube so the equipment will be less sensitive in hard to reach areas. If the tube is 6″ long for example, that means the sensor is always a minimum of 6″ away from the source. The Nex Flow® system sensor is at the end of the flexible extension so that the sensor is “always” directly exposed to the leak making our equipment much more sensitive.

NEX FLOW® “FLEX.US” Ultrasonic / Ultrasound Leak Detector

The complete kit comes with the FLEX.US unit, manual, and two AA alkaline batteries

The high quality flexible sensor is mounted on the end of a flexible steel pipe so the ultrasonic sound can access hard to reach areas. The unit converts the ultrasonic noise of a leak into a sound humans can hear (a hissing sound) and not just a beep or LED display that may not distinguish a leak sound from other phenomenon.

The headset has excellent noise attenuation for use in the noisiest of environments.

A rugged carrying case protects your FLEX.US when not in use.

The FLEX.US is a solid tool – built to last, it is easy to use and will provide many years of service.

Nex Flow® aims to provide the lowest cost where possible but NOT at the expense of sacrificing quality.