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Your cart is empty.Whisper uses ultrasonic technology to listen for the sound of a gas moving through a leak site, making it a super versatile tool for leak checking any gas in pressurized or vacuum systems. Point Whisper at ceiling pipes to gross leak check from the floor. You can even use Whisper in noisy environments!
Paul J Rollmann
Reviewed in the United States on February 25, 2025
This unit helps you quick find larger leaks that you may not hear. But if your losing a few PSI in 30 minutes, those fine leaks likely won't be found with this unit. I don't regret getting it, as it has helped me very quickly locate larger leaks. (10 psi in 10 minutes)
GEP
Reviewed in the United States on January 25, 2025
Only used it once but it saved me a lot of time. The gas leak was so small that soap wouldn't expose it. Bought the INFICON and went back to jobsite and found the leak immediately. Definitely worth the money
Larry L. Davis
Reviewed in the United States on February 24, 2024
I have had ongoing small compressed air leaks in my shop. I've used UE system ultrasonic leak detectors in the past and I know they can quickly find leaks. But they cost $1000 and more. Based on reviews and ultrasonic technology, I tried the Inficon Whisper. It did indeed quickly identify a couple of small compressed air leaks in minutes. Now I don't have to listen to my air compressor cycle to recharge (due to leaking air). UE uses focusing cones with their detector to help isolate sounds. I think I'll try printing a focusing cone for the Whisper. It may or may not help. Worked pretty good without a focusing cone.
Jason M.
Reviewed in the United States on October 26, 2024
I was hesitant on buying because of the price vs how much I would use it. I used it once so far and it was a game changer and saved me hours. I'm a fire sprinkler inspector and I'v spent hundreds of hours crawled around in hot, dirty, and insulation filled attics and wondered around freezing cold warehouses listening for air leaks in dry sprinkler systems. I had a job to go into an attic crawl space of a 75 yr old college dorm and crawl on my hands and knees in pink insulation to look for a pinhole leak. We've spent 4 months looking for, mostly due to the 3 large air handler units that were also up there. I finally bit the bullet and decided to purchase this thing. Well, 20 mins and I found 2 leaks that were half way back through the attic. With the laser point on the machine, you can stand in one spot and follow the pipe or line for quite a ways. You will need to learn what to listening for, a leak won't scream here I am. You will listening for noice pitch changes. Once you hear it getting louder and as you go past a leak the sound gets quieter, the point it back and you'll heard it get louder again. It will sound like audio static from the speaker or headphones, and the indicator light bar will rise as you run over a leak. We definitely saved time & money by using this. It paid for its the first time we used it.
Edmundo
Reviewed in Mexico on June 26, 2023
No sensaba correctamente y al ponerme los audífonos solo se escuchaba un ruido de interferencia que lastimaba mucho los oídos .
Mark&Shelly
Reviewed in the United States on July 13, 2022
bought this to help locate small air leak under a truck. Used it from front to rear and never detected anything. Went back over with soap and water solution and found 3 small leaks. So tried it again to see if it was a setting wrong or something i was doing wrong. Still it would not detect the verified leaks. If you are trying to locate leaks that you can not hear then don’t waist your money on this.
Jay
Reviewed in the United States on September 8, 2021
I bought the basic Whisper kit for help in locating truck air leaks and for use in identifying A/C leaks under nitrogen pressure. The supplied open air headphones are not really up to the task. I bought a $10 pair of Koss UR10 headphones and what a difference being able to hear an eye blink and electrical arcing from a light switch. Using the headphones is the way to go instead of the built in alert. I just got the kit a short while ago and have not put it through its paces but will be forthcoming and think it will have a place to aid diagnosis. The one truck A/C I pressurized with nitrogen did not have a leak. Looking forward to see if it can pick up condensor/evaporator leaks.I got to use this today for compressed air leaks on a truck and it found them all in no time flat including the Hi-Lo range valve body on top of the RoadRanger. Using the extension probe it could pick up a leak 8" away from a tank automatic drain valve. I put my finger over the port of the valve and could not tell it was leaking but it was. This ultrasonic leak detector is awesome and a game changer. Will update when used for A/C leaks.
Andrew K.
Reviewed in the United States on August 19, 2021
I got this for a few different reasons but one use is for an inflatable dinghy that is losing air over a weeks time. I wanted to find where the leak is but really can't find it anywhere. Now I have used a similar unit (might have even been this one) while plugging a mold up during resin transfer molding (RTM) and it really helped out. I can't return this at this point but I'm just hoping I can come across something to where this can really help.
Mauricio
Reviewed in Mexico on July 2, 2021
Por mucho, mejor que los detectores que tiene que “oler” el refrigerante. Es súper rápido hacer verificaciones con este equipo y es muy sensible. Excelente herramienta de diagnóstico para los trabajamos en HVAC.
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