Purchasing scuba diving equipment, such as a dive computer is a big decision that includes a lot of factors. A dive computer manages nitrogen and allows you to easily calculate how long you can stay underwater for. Dive computers can update you on how much time you have left, depending on your depth. Keep in mind that a scuba diver must still plan each dive according to safety guidelines.
A dive computer has many options and features, so before you head out shopping, have an idea of what you're looking for. One feature to look for is whether the computer has a nitrox diving facility. Even if you don't plan on diving on nitrox in the near future, if you think one day you may want to, you should consider a dive computer with this capability. It isn't much more expensive than a dive computer without, but it can save you money down the road.
As mentioned before, a dive computer that can tell you how much air and therefore time you have left is a great feature. This is called air integration and these types of computers can either be hosed or hoseless.
Most dive computers made these days allow you to upload your dives onto your PC. This can be a useful tool, as it enables you to see your whole dive.
Some dive computers can be worn on your wrist. Others are mounted on the console. Wrist dive computers provide more freedom as you can use them for other purposes, including everyday wear. Mounted dive computers are easier to keep track of because they are mounted on your equipment via a hose. Mounted dive computers require batteries, which can get expensive if you're using your dive computer often.
Many dive computers come with alarms, which can be beneficial if you're the forgetful type. Alarms on a dive computer can remind you when you're running out of air or coming close to another limit.
Dive computers range in price from roughly $150 to $1500, depending on the features you choose. While you may want to get a good deal on your dive computer, make sure the one you invest in has everything you need and will last you a long time.
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