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Your cart is empty.DiveAlertPLUS is a specially designed, small, light weight pneumatic signaling device that uses quick-connect/disconnect hose couplings to become an integrated part of your power inflator. Installation is easy and takes only a moment. DiveAlertPLUS uses a small amount of air from your SCUBA tank to make a piercingly loud sound in air or water. People have been able to hear a DiveAlertPLUS one mile away from a diver in need above water. In conditions where visibility is limited, a DiveAlertPLUS can be a life saver. Underwater you can sound for attention quickly with a squeeze of the device. NO MODS REQUIRED DiveAlertPLUS does not require any modification to your equipment, and it does not interfere with the normal operation of your equipment. The DiveAlertPLUS comes in three different models to accommodate different connectors: DV1, DV2, and DV3. EASY TO USE DESIGN Once the tank is turned on and the DiveAlertPLUS connected, squeeze the DiveAlertPLUS softly underwater for a subsurface signal. Or squeeze it firmly on the surface for a loud surface signal blast. Check that DiveAlertPLUS is installed correctly and functioning properly before every dive. Also be careful not to point DiveAlertPLUS toward yourself or toward anyone who is in close proximity to you when you activate the surface signal (it’s really loud!). HOW IT WORKS The DiveAlertPLUS uses chrome-plated brass couplings to attach to your power inflator. Squeezing the device engages the actuator valve stem causing a small amount of air to flutter a stainless steel diaphragm, emitting a piercingly loud sound from the injection-molded thermoplastic body. The subsurface / underwater signal is produced by a percussion "buzzing" noise made by a piston hitting a stainless steel diaphragm much like a drum
Paulo Porto de Melo
Reviewed in the United States on July 21, 2024
This is a very useful tool for divers. It turns it easy to signal when you are on the surface or even underwater, producing a loud noise so you can be easily noticed.
jjnbos
Reviewed in the United States on February 12, 2020
Although this unit only adds a couple of inches (effectively) to the inflator hose feeding the BCD / integrated second reg, it really screws that up. The inflator hose etc are all essentially cut to length cause among other things you got to pull on the inflator to release air from the BCD.
Khalid Alrazooqi
Reviewed in the United States on January 6, 2020
Didn’t fit scubapro as mentioned
Jonathan J Lum
Reviewed in the United States on November 25, 2019
This item works perfectly. Underwater on my last trip to BVI, I used it to signal my dive buddy when he was drifting off course. It's much more distinctive than traditional tank banging!! I tested it on the surface also, very loud as described. I saw others comments about it adding 3 inches of non flexibility to your inflator hose. I use an SS1 as my backup and inflator, while it does decrease flexibility slightly it is still usable. I feel the added safety vs the slight inconvenience well worth it in an emergency situation.
Gregory Hines, MD
Reviewed in the United States on November 1, 2019
This nifty little item is very useful to have when you need it.
Julie
Reviewed in the United States on August 17, 2018
Don't leave home without it. I had read horror stories on scuba posts about people who got abandoned by their dive boat. Bought this as a precaution for diving in Southeast Asia's Komodo Islands where current can be strong. Family was teasing me that I was overly paranoid. However, one day we actually needed the air horn. Surfaced from 100 foot dive and boat was far off in the distance. Dive master whistled stadium style and then blew an emergency whistle but boat didn't hear us. I used the horn and got immediate attention after 2 blasts. If it wasn't for this horn, we could have drifted out to sea. An ounce of precaution is worth a pound of cure. Ensure your safety and get one for your next dive trip.
Random Dude
Reviewed in the United States on July 22, 2014
Worked great on recent dive. Woke up a napping captain who wasn't paying attention to where his divers were.It is a little cumbersome on the BCD hose but its value when needed is undeniable.It truly beats the little manual whistle we all have.
Him-and-Her
Reviewed in the United States on March 21, 2014
The device is built solid, i have no issue with the unit itself. However, in my situation i removed it from my gear. I have a scubapro night hawk BCD which has my backup 2nd stage integrated with the low pressure connector. Meaning in an emergency i would need to bring it to my mouth to breath. It adds 3 inches of unbending metal where rubber hose would be. Because of this its not allowing the mouth piece to easily sit in my mouth and is applying pressure away from my face making it a struggle to keep the mouth piece water tight to my lips.This would work much better on a BCD that has a backup 2nd stage on a separate hose.
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