Best Dive Computers Under $500 Review – OpenWaterHQ

The very best dive computer systems beneath $ 500 are excellent if you’re exactly a founder or a leisure diver. At this financial worth vary, you may get a tool that covers the entire fundamentals to maintain you secure whereas diving. nonetheless, they might be lacking a number of the fondness options like air integration or a digital circumnavigate that increased finish fashions could have .
Inside the previous few years, dive computer systems have made enormous strides in invention in comparison with the years earlier than. For effectively over a decade, the marketplace for dive computer systems had remained stale, with many “ new ” fashions popping out that had been good a rebranded translation of an older model. It was by and huge good easy LCD screens, baby fine-tune to the algorithm, and an replace look .
These days, options like shade computer systems are beginning to be accessible in lower cost ranges, whereas beforehand solely the $ 1000+ highest-end fashions had that performance. Because of new opponents coming into the market, the grocery retailer is being shaken up and the newest fashions are providing options that weren ’ triiodothyronine accessible earlier .
On this overview, we can be going over one of the best dive computer systems beneath $ 500 that we really feel are one of the best slam on your buck. We now have compiled this record based mostly not solely on their financial worth, however in addition to standards like their display screen timbre, algorithm, customization, adenine effectively as another distinctive options that make them stand out. hera are the highest ones we advocate.

Our Prime Picks:

Cressi Leonardo


Cressi Leonardo, black/grey

Cressi Leonardo, black/gray

  • A single button Dive Laptop makes it easy to set Air, Nitrox and Gauge modes. Preferrred for inexperienced persons in Scuba Diving. It’s straightforward to make use of and simple…
  • FO2 adjustable between 21% and 50%. PO2 adjustable between 1.2 bar and 1.6 bar. CNS oxygen toxicity graphic indicator.Three ranges of consumer adjustable…
  • Consumer-selectable deep cease operate. Adjustable unit of measure: imperial or metric. Battery life indicator. Consumer changeable battery. Battery mannequin:…

The Cressi Leonardo is a prima donna calculator designed for newbie use and affordability. At a look, you will see that a user-friendly calculator with the entire includes a novice or free-and-easy freediver wants with an emphasis on effectivity, base hit, and dependability .
Its interface may be very intuitive and could be navigated with alone a single button for many who merely wish to get into the water shortly with out fear about any complicated options. The Leonardo is accessible both as a console desk or wrist-watch .
A serious deal sharpen of the Cressi Leonardo is its edge-to-edge, high-definition LCD display screen. It has been designed to have the optimum symmetry of proportions, riddle distinction, and finger dimension. The knowledge is additional sectioned by internet strains .
These little particulars make the entire dispute in low-visibility situations and may truly assist a diver in nerve-racking conditions. For exemplify, the outsize digits make monitoring crucial info a lot simpler .
We like how essential info just like the battery index is displayed prominently on the primary show, as is the depth, time, and temperature. The secondary show reveals info relating to the flatulence combine ( Nitrox or air ), the ppO2 set, and any conservatism set .
final, the backlight prompts should you maintain down the push button for 5 seconds, and is mechanically turned on if the alarm triggers .
Diving Modes
The Cressi Leonardo has three diving modes : Nitrox, air journey, and gauge. Divers can change the ppO2 ranges to between 1.4 and 1.6. moreover, the Leonardo can solely be used for Nitrox mixes as much as 50 % .
following, the vent diving method is routinely activated by physique of water when you go under 1.2m ( 4ft ) and when you ascend above that depth the floor interval countdown timekeeper will begin routinely. Take into account that this dive computer systems ’ minimal floor interval is just two minutes, so as soon as two minutes have elapsed it’ll depend as the longer term dive should you dive once more .
final, gauge mode capabilities as a backside timekeeper and can be utilized as a primary freediving temper. It shows the honkytonk time in minutes and seconds, although the Leonardo doesn’t have a devoted apnea timekeeper which early entry-level computer systems do .
Adjustable Alarms
Earlier than you encounter any hassle, the Cressi Leonardo ’ south audible and distinct alarms will warn you to crucial info. For case, it has a depth alarm clock, ascent price dismay ( the maximal price is 10m or 32ft per minute ), and a no-decompression restrict. moreover, there ’ s tied a security cease dismay which shows a STOP icon with the depth and meter of any dive carried out beneath 32ft .
These audible alarms are accompanied by an on-screen studying for depth, and should you exceed the advocate rise price, it’ll show a SLOW icon. This may be irritate, nevertheless it ought to get the purpose throughout. If you happen to don ’ metric ton wish to be hounded by all of those warnings, you may flip the alarms off. For founder divers, this isn’t really helpful .
Conservatism Settings
The Cressi Leonardo has three conservatism settings you may select from. It is without doubt one of the most conservative dive computer systems on the grocery retailer, which is right for novice divers who wish to play it condom .
nonetheless, when you begin getting a number of dives beneath your swath, you could begin to discover that you just preserve approaching deco effectively earlier than your buddy. To attenuate this, set the bourgeois grade to Security Issue 0 ( SF0 ) .
The battery is designed to last for 3 years ( estimated {that a} consumer would carry out 50 dives per 12 months ), due to this fact newbie freedivers will most likely keep inside that limit. However even when the barrage had been to die promptly for some cause, the CR2430 battery it makes use of could be effectively changed by the consumer with none instruments .
If you happen to ever end up with a useless dive pc whenever you ’ ve simply set sail on a liveaboard, you should have a significantly better likelihood of getting it situate. different prima donna computer systems require the exploiter to pay fairly a chunk to ship it to a dedicate servicing heart merely to switch the battery .
Decompression Mannequin
The Leonardo make the most of Cressi ’ mho Lowered Gradient Bubble Mannequin ( RGBM ) algorithm, which is a modified model of the Haldane mannequin with incorporate RGBM elements created with serve from Dr. Bruce Wienke .
Dr. Bruce Wienke is a pioneer within the airfield of honkytonk algorithm and he created the grasp RBGM algorithm which many algorithms are based mostly off of. He has labored with Suunto for the reason that late 90s to take advantage of advance honkytonk algorithm, and he has lent his expertness to Cressi for this dive calculator .
The adapt model used within the Cressi Leonardo is modeled after the 9 tissue compartment mannequin with saturation half occasions between two and a half and 480 minutes. This dive algorithm in addition to takes into clarification silent micro-bubbles and is conservative with regard to multi-day dive and repetitive dives .
To place it into dim-witted phrases, the RGBM algorithm used within the Cressi Leonardo makes use of a timekeeper and depth detector to find out how a lot gasoline is theoretically being inhaled and exhaled by your physique. By calculating this knowledge, the calculator then determines your no-decompression restrict ( NDL ) .
Since this honkytonk pc may be very button-down, you could end up reaching your NDL sooner than your dive buddies who use early manufacturers. nonetheless, you may regulate the conservatism grade by altering the bottom hit issue. There are three values : SF0, SF1, SF2, with the manufacturing unit setting being SF0 .
The Cressi Leonardo is without doubt one of the greatest novice dive watches vitamin a effectively as a antic prima donna pc beneath $ 500. In reality, it could be the proper first dive pc for leisure divers .
There ’ randomness tons to love about it : it has an easy-to-read, clear show, coloring materials choices, a number of diving modes, an amazing algorithm, one menu-navigation, ocular and audible alarms, and plenty of extra options .
You possibly can take it with you on quite a few dives because of its bigger logbook reminiscence of round 70 hours ( 60 dives ) and sturdy, consumer replaceable barrage. moreover, it has a depth expose of as much as 120m ( 393ft ) and altitude changes as much as 3,700m ( 12,139ft ) .
By holding its huge single button for five seconds, the backlight will activate permitting you to see the show in low-visibility situations. public talking of the one button, the menu seafaring is similar intuitive and simple to maneuver with simply that button. It in addition to makes it simpler to function if you’re carrying blockheaded gloves .
final, the Cressi Leonardo comes at a really enticing value cost. It ’ randomness laborious to beat a honkytonk pc with all of those options from a good producer like Cressi when they’re promoting it for such an low-cost value. The Cressi Leonardo is a strong and full-bodied dive pc that does every thing it says on the tin at a sexy value, and we extremely advocate it as your first pc .

  • Intuitive one-button menu navigation.
  • Enticing value.
  • Logbook reminiscence of 70 hours (60 dives).
  • Loud alarms will preserve you alerted of any security violations.
  • Three conservatism modes to select from.
  • The battery is definitely replaceable by the consumer with out particular instruments. Different dive computer systems could drive the consumer to ship it to a devoted service heart at nice expense.
  • Can simply reset the pc to erase the reminiscence of previous dives. That is excellent for dive facilities, faculties, and retailers that hire out dive computer systems so a brand new diver can begin recent.


  • With the menu designed round one button navigation, it is vitally easy to cycle by means of the choices and get to the menu you need. Nonetheless, should you by accident move the menu you had been on the lookout for, you must cycle by means of all of the others simply to get again as there isn’t a again button.
  • Whereas this pc isn’t massive, it’s nonetheless not sensible to be used as a every day watch.

Learn our wax overview of the Cressi Leonardo hera .

Suunto Zoop Novo

The Suunto Zoop Novo is the improve mannequin of the Suunto Zoop, which is without doubt one of the universe ’ randomness best-selling entry-level dive computer systems. As its successor, it has some added performance, however is it enough to justify improve, and the way does it fare towards different entry-level honkytonk computer systems ?
Let ’ s depart with how it’s designed. usually the general design worldwide relations and safety community ’ t a samara sport price fussing about in a dive calculator, however within the case of the Zoop Novo, it ’ s a serious plus. For starters, it has a large show at 4cm ( 1.33in ) in diameter and is guarded by hood acrylic which makes it in a position to face up to the leftover affect .
moreover, the massive and legible digits make studying it at a look very straightforward, night for these with lower than excellent eyesight. sadly, as a consequence of its dimension it’s not ideally suited for regular on a regular basis use, however as a prima donna vigil it’s antic because of its practicality, lastingness, and performance .
The Suunto Zoop Novo has 4 buttons to make seafaring simpler. The buttons are : mode, blue-ribbon, up, and down, all of that are clearly marked. Mixed with the boastfully show, and it’s a breeze to navigate by means of the menu and get to the sieve you need .
moreover, the 4 buttons are ergonomically positioned and large, in order that they don’t seem to be merely well-spaced however straightforward to press on the correct button, even you probably have thick gloves on .
As you already know, there’s all the time a danger of decompression sickness when diving. significantly you probably have sure danger elements ( fleshiness, circulatory points, senesce ) then you need to change the algorithm setting to be extra conservative .
fortunately, the Zoop Novo lets you choose between three modes for an additional ground of safety : P0, P1, and P2. The primary base repair, P0, is the nonpayment setting for ideally suited situations. However, P2 is essentially the most bourgeois set, and P1 is someplace within the center .
moreover, the altitude settings could be adjusted which allow you to change the calculator ’ second decompression calculations. The show info could be switched between Fahrenheit and Celsius, deoxyadenosine monophosphate effectively as metric or imperial .
There are lots of issues to maintain monitor of when dive, and inexperienced persons incessantly lose monitor of them as a consequence of nerves or agitation. With the Zoop Novo, the quite a few audible alarms will let the loon know if authoritative limits are handed or reached. Don ’ thyroxine fear, the pc gained ’ metric ton be beeping at you each two minutes .
To point low or gamey priority, the Zoop Novo makes use of totally different tones to tell apart between them. For mannequin, excessive precedence alarms will begin sounding if the stream depth is excessively deep for the gasoline shuffle you’re utilizing, should you ’ rhenium ascending in addition to promptly, or if the decompression ceiling depth is exceeded .
Whether or not one is freediving or SCUBA diving, the low priority alarm will set off when the outlined utmost depth is reached .
Logbook Reminiscence
by no means lose the info out of your previous dives because of the Suunto Zoop Novo ’ s huge logbook reminiscence which may retailer 140 hours of information ( roughly 100 dives ). This provides you ample time to add that datum to a calculator earlier than the knowledge is misplaced. nonetheless, in freediving mode the logbook reminiscence can solely document the final 35 hours .
sadly, the Suunto Zoop Novo doesn’t have wi-fi connectivity, thus if you wish to switch the info to your Mac or private pc you will want to buy a USB cable individually. The software program that transfers the info is launch to obtain, nonetheless .
Decompression Mannequin
The Suunto Zoop Novo makes use of a proprietary RBGM mannequin which was developed in collaboration with Dr. Bruce Wienke. What makes this decompression algorithm stand out is the way it can adapt its calculations by monitoring insistent dives, quick floor intervals, revoke profile, and multi-day dive .
One other factor that stood out to us is how the Suunto RGBM makes use of a full steady decompression if the diver has exceeded the no-decompression restrict. What this implies is alternatively of constructing quite a few stops at situate depths, the Zoop Novo will calculate in real-time the speed and ceiling depth with the intention to constantly ascend .
moreover, you probably have exceeded the NDL, the algorithm will prolong your floor intervals sol that you just get sufficient time to get well earlier than the subsequent dive. This pc is meant for use on plan decompression dives. If that is your intention, then the best choice is to place the Zoop Novo into gauge mode and use it as a mattress timekeeper along with your dive plan .
Some divers expressed frustration at this dive calculator, claiming that it’s far in addition to conservative. We really feel that it’s not a common criticism, as this watch is meant to be an entry-level look ahead to inexperienced persons, and we really feel there’s nothing amiss with being conservative. It could get moderately annoying in case your dive associate has a extra aggressive calculator, however it’s higher to be secure than blue .
The Suunto Zoop was extensive considered a improbable entry-level pc, and the Zoop Novo is the latest mannequin that has improved on the unique in some ways. It has 5 diving modes : away, Nitrox, air, bore, and freediving. It has a built-in dive planner, american samoa effectively as a full steady decompression algorithm that was designed in collaboration with Dr. Bruce Wienke .
by no means lose monitor of the jail time period because of its timer in vent and Nitrox modes, superior timer for freediving, and audible alarms to remind you you probably have reached or handed particular authoritative limits. By no means lose your honkytonk knowledge because of the Suunto Zoop Novo ’ s huge logbook reminiscence which is able to retailer your final 100 dives ( ~140 hours of diving ), providing you with loads of time to add that datum to a calculator earlier than it will get overwrite .
After utilizing the Suunto Zoop Novo, we really feel it is without doubt one of the acme selections for a honkytonk pc beneath $ 500. It has the entire primary performance for fooling and refreshment SCUBA divers. It could not have the flowery options like gasoline change or an algorithm for essentially the most hard-core of technical faculty divers, however what it does give you is a straightforward and secure means to dive whereas logging all of that important knowledge. For a extremely sturdy, moderately priced and tremendous intuitive honkytonk calculator, the Suunto Zoop Novo is without doubt one of the greats .

  • Giant, clear show with backlight.
  • Intuitive menu which could be navigated with its 4 ergonomically positioned buttons.
  • Enticing value level.
  • Very sturdy and may face up to tough situations.
  • Private dive profiles allow you to regulate the algorithm to be much more conservative.
  • Lengthy-lasting battery that may be changed by the consumer.


  • As a consequence of its massive dimension, this dive pc most likely gained’t be worn as a wristwatch for every day use.
  • USB cable should be bought individually.
  • No digital compass.
  • Consumer guide is sparse in info, nonetheless a fast on-line search will yield the solutions you need.

You possibly can learn a extra in-depth follow-up of the Suunto Zoop Novo right here .

Cressi Giotto

Cressi Giotto Wrist Computer, Black/Gray

Cressi Giotto Wrist Laptop, Black/Grey

  • The three buttons dive pc offers all the required info with regard to depth, dive occasions, potential want of decompression, ascent price and…
  • Dive program: full processing of dive knowledge, together with decompression if relevant, for each dive carried out with air or nitrox.
  • Full setting of FO2 parameters (oxygen proportion) and PO2 (oxygen partial stress) with the choice to set PO2 between 1.2 bar and 1.6 bar, and FO2…

to date one other provide from Cressi, the Giotto is a dive lookout catered to inexperienced persons to medium-experienced divers. It’s a massive wrist or console-mounted dive calculator that gives ample display screen door real-estate to show the entire crucial info it is advisable to know at a look .
Navigating the interface is comparatively sq. and intuitive because of its three buttons. For the options that it offers, the Cressi Giotto is priced competitively with different entry-level dive computer systems .
One of many first base issues you’ll discover in regards to the Cressi Giotto is the clear interface that shows info in a concise method with minimal complicated abbreviations. The physique of the system is formed like a standard wristwatch, however as a consequence of its dimension it could actually ’ t be thought-about as such .
Some founder divers make the error of suppose that the extra compress a dive calculator is, the higher. That ’ s not essentially real since you want to have the ability to effectively see the knowledge on the dive calculator. because of the Giotto ’ sulfur dimension, parsing the knowledge at a look may be very comfy to do .
The Cressi Giotto has three not like diving modes : Nitrox, air, and gauge. It’s a wrist-mounted dive pc that may in addition to come two different variations, together with one with a grok or a miniskirt press estimate. as a consequence of its dimension, you credibly gained ’ metric ton be utilizing it as a wristwatch exterior of dive .
The large expose provides bulge, however in addition to makes it simply for divers to see crucial knowledge at a look. When it comes to presentation, the datum is sectioned and essentially the most essential info is displayed with an even bigger, bolded textual content dimension .
One of many issues displayed on the riddle is the battery flat. As soon as it runs out, the barrage could be changed by the drug consumer with no need to carry it to a navy service kernel and paying an costly payment .
Navigating by means of the menu is finished by means of three bombastic buttons on the backside. Urgent the buttons could get a bit catchy if thick gloves are put on, however it’s hush potential because of the spacing of the buttons.

Learn extra: Computer Buying Guide

In comparison with dive computer systems with alone a one button, utilizing three buttons to navigate the interface is way smoother as compared. For exemplify, you don ’ t need to undergo each single menu good to achieve the one you need. With the forward and again buttons on the Cressi Giotto, you may simply change between menus .
Security is of utmost significance, and it’s the cause why dive computer systems are used when SCUBA diving. frankincense, the Giotto has many audible and ocular warnings to point when a security misdemeanor has occurred .
The alarm will set off when sure situations have been met, reminiscent of :

  • Most depth.
  • Dive time.
  • Excessive price of ascent.
  • CNS Toxicity.
  • Excessive ppO2.
  • Decompression depth, air, and Nitrox warnings.
  • Deep cease warning.

Technical Capabilities
The Cressi Giotto can deal with oxygen ranges between 21 % -99 % in Nitrox mode. It will possibly monitor and change between two totally different gasoline mixes. The ppO2 limits for this pc could be set between 1.2 and 1.6 bars .
adjoining, the utmost manoeuver depth for this pc is 120m ( 394ft ). If you happen to plan on diving at increased altitudes, you may regulate the elevation ranges as much as 3,700m ( 12,139ft ) from 4 totally different elevation settings .
The Cressi Giotto runs on Cressi ’ s personal restricted RGBM algorithm, which is predicated on the Haldane mannequin and tailored to their wants. We discovered the algorithm to be fairly free, however fortunately you may regulate the conservatism ranges if you wish to err on the facet of warning. There are three conservatism ranges to pick from, however by nonpayment the calculator is simply working the Cressi mannequin with no guard gene utilized .
moreover, the Cressi Giotto has a devoted show to extremely the oxygen perniciousness horizontal floor for the cardinal aflutter group ( CNS ). This show takes into consideration the diver ’ south publicity meter to fond oxygen stress and the outcome toxicity grade of oxygen is displayed in real-time as a graph on the display screen .
Dive Log and Connectivity
in a position of storing as much as 70 hours of honkytonk knowledge ( roughly 60 dives ) with a changeless sampling price of 20 seconds, the Cressi Giotto can maintain a good complete of dive knowledge. You possibly can view the info on the system itself, however for a extra in-depth overview, you will want to switch the dive log to a calculator .
sadly, there isn’t a wi-fi connectivity, so you need to buy a USB connection individually. The software program wanted to investigate the element honkytonk knowledge is included with the dive calculator .
Mission Performance
Like many entry-level dive computer systems, the Cressi Giotto lacks a built-in compass and environment integration, each of which can be found whenever you buy a console. Since these are premium options, most dive computer systems on this vary won’t have these options and you need to anticipate to pay extra to get them .
With that mentioned, most informal divers don ’ t want these capabilities and the Cressi Giotto already offers a specify of options that’s ample for leisure dive .
The Giotto is to date one other wonderful provide from Cressi for novice to intermediate newbie divers. This prima donna calculator is designed by one of many belief manufacturers within the SCUBA diving gear group, and offers you the entire primary options to get you began .
There ’ south tons to love about it. The show is astute and makes it straightforward to parse the datum at a look to get the need info you want. With its three buttons, navigating the menu is ace straightforward and commodious. You possibly can change between three honkytonk modes : tune, Nitrox, and gauge. moreover, you may change between two Nitrox mixes, angstrom effectively as within the heart of a dive .
The performance supplied by the Cressi Grotto makes it a agency possibility at a fascinating value level. Divers who’re equitable getting began with SCUBA, and night intermediate divers can use it and develop with it .
Whereas it doesn ’ t have superior performance like air consolidation, most divers gained ’ t want it within the first set. Plus, the miss of air integration might be what ’ s retaining the value first gear. In case you are on a funds and need a strong dive pc that may do the entire fundamentals from a imagine model, then the Cressi Giotto is for you .

  • Giant show that’s sharp and simple to learn, with three buttons to navigate the interface.
  • Dive log reminiscence that shops the info of the previous 60 dives (70 hours)
  • Most working depth of 120m (393ft).
  • Full reset mode that’s excellent for any institution that rents out dive computer systems.
  • Cressi’s personal modified RGBM algorithm.
  • Straightforward to switch Lithium battery, no have to ship it to a service heart.


  • Too massive to be worn as a wristwatch.
  • No air integration.

Learn our in-depth overview of the Cressi Giotto hera .

Atmos Mission One

This newfangled dive pc from Taiwan-based producer Atmos offers a formidable suite of options that you just ’ d look forward to finding in high-end fashions at an low-cost value sharpen. What makes this a circus tent alternative out of all of its opponents ? Virtually every thing .
starting, the Atmos Mission One has an unimaginable show for its value. The display screen door is excessive distinction, 1.2 ” with a resoluteness of 240×240 pixels and shows colours. To get a greater sieve than this, anticipate to pay no less than triple the financial worth for one thing just like the Shearwater Teric, however alternatively you may get the Mission One for beneath $ 500 .
second gear, the Atmos Mission in addition to comes with a digital compass and dive plan. as soon as once more, these are premium options that you just wouldn ’ t usually discover on this financial worth vary. moreover, it in addition to helps Nitrox, has audible and ocular alarms, and has freediving and gauge modes .
The Atmos Mission One runs the Buhlmann ZHL-16c algorithm which is without doubt one of the greatest algorithm on the market as a result of it’s well-tested, not proprietorship, and simple to know. What makes the Mission One stand out is how adjustable its conservation issue is utilizing gradient elements .
For fooling divers, exactly set the GF hawaii prize to round 70 for bourgeois dives, or should you ’ ra really feel adventurous, set it to 95 for an aggressive honkytonk profile ( 95 is akin to the DSAT algorithm ) .
Since this calculator provides you the exemption to customise, it means divers can in addition to change their GF lo to a better respect like 50-60, which modifications their first gear decompression blockage to be a lot shallower. many leisure diver computer systems laborious code these values in, and if the GF lo is within the 30 vary it results in “ bass stops. ”

  • Excessive distinction, 1.2” shade display screen and 240×240 pixel decision; these are premium options which might be sometimes solely accessible in increased finish dive computer systems.
  • Full of options like a digital compass and dive planning and extra.
  • Small profile for much less drag – watch fashion as a substitute of puck fashion.
  • Runs the Buhlmann ZHL-16c algorithm which is without doubt one of the greatest there’s.
  • Encompasses a complete watch mode so you may put on it out of the water.


  • No air integration however which sub-$500 dive pc does? Plus it already has so many premium options you may hardly complain.
  • Since it’s Taiwan-based, not many producers within the USA carry it although it may be bought on-line.
  • Comparatively new firm to the dive trade, we will see if their high quality retains up.

Learn our in-depth follow-up of the Atmos Mission One right here .

Mares Puck Professional/Plus

Mares Puck Pro Plus Wrist Dive Computer

Mares Puck Professional Plus Wrist Dive Laptop

  • Mares Puck Professional Plus and no time and Dekompressions Dive Computer systems
  • With backlight and improved to learn the brand new show divisions are
  • Air and Nitrox as much as 99% Oxygen

The Mares Puck Professional is a genuine and compress dive pc with quite a few helpful options at a dismal value. It has a big interface that may be navigated with equitable a particular person button, whether or not it’s to seamlessly change between the three diving modes ( Air, Nitrox, and Gauge ) or to regulate the algorithm settings .
This dive calculator comes included with options that many submission ranges sometimes don ’ t have, reminiscent of a stopwatch, calendar, and functionality to regulate elevation. The Puck Professional has a most depth of 150m ( 492ft ), which is a big sufficient outdistance for many divers .
File as much as 36 hours of prima donna knowledge which could be uploaded to a calculator to be analyzed far. nonetheless, you will want to buy a USB individually so as to take action. The long run exemplary up, the Mares Puck Professional Plus options wi-fi Bluetooth functionality with the intention to ship the info to your pc or smartphone .
One other nice characteristic of speech is that this ascent tempo proctor which is able to warn you if you’re going up excessively cursorily. Stop condom violations by getting a admonisher with its alarms relating to not solely the ascent price, however in addition to if the battery is low, a decompression cease is missed, or if there’s excessive PPO2 readings .
general, the Mares Puck Professional value is a strong dive look ahead to the value. moreover, it’s a intersection from Mares, a belief producer of diving gear and ought to be on everyone ’ second record of funds entry-level dive computer systems .

  • Giant interface that has been clearly sectioned to supply knowledge in a transparent and concise method.
  • Three diving modes: Air, Nitrox, and Gauge.
  • Able to retaining a dive log of the final 36 hours of diving.
  • Beneficiant most depth of 150m (492ft).


  • Have to buy a USB cable individually as a way to entry knowledge. The subsequent mannequin up, the Mares Puck Professional Plus, solves this with Bluetooth functionality.

Learn our in-depth overview of the Mares Puck Professional Plus right here .

Aqua Lung i200c


Aqua Lung I200c Wrist Dive Computer Dark Charcoal

Aqua Lung I200c Wrist Dive Laptop Darkish Charcoal

  • 4 working modes. Air, Nitrox, Gauge (with run timer), and Free Dive (tracks calculations to permit unrestricted switching between Dive and Free)
  • Consumer-changeable normal battery and knowledge retention. Makes use of globally accessible normal batteries discovered at supermarkets and drugstores. Maintains…
  • Excessive visibility LED alarm mild. For extra diving security

Up to now few years, Aqua Lung have manufactured many aggressive dive computer systems within the low to mid value range. The vast majority of these fashions had been based mostly off of their classical Oceanic Geo and Veo fashions, which have since been rebranded beneath the Aqua Lung record since Oceanic ’ s acquisition .
so is the Aqua Lung i200c actually exactly a rebranded watch, or is there extra to it than that ? In our opinion, it has made some huge enhancements and it hits the dulcet spot relating to financial worth and options .
What ’ s new ? Effectively, in comparison with older fashions, this one comes with bluetooth connectivity. Because of this, you should not have to individually buy a USB cable simply to get the info out of your watch to your pc. many firms cost a absurd financial worth for his or her USB cables as a result of they know that divers want entree to this datum .
The Aqua Lung i200c has 4 diving modes : Air, Nitrox, Gauge ( with run timekeeper ), and Free Dive which tracks calculations to permit seamless and unrestricted throw between Dive and Free. It will possibly deal with two pure gasoline mixes with as much as 100 % oxygen .

  • Based mostly off of the Oceanic Geo 2.0, an already acclaimed dive watch.
  • Wi-fi Bluetooth connectivity enables you to switch knowledge to your pc and smartphone with no need to buy a separate, costly USB cable.
  • Z+ algorithm is first rate, although a bit on the conservative facet.
  • Twin gasoline Nitrox mode as much as 100% oxygen.
  • 4 bodily buttons to make navigating the interface very handy.


  • The LCD display screen is beginning to really feel dated, with many cheaper fashions having a comparable display screen.
  • Battery can solely be serviced by manufacturing unit.
  • No air integration.
  • Even with the bluetooth expertise, we really feel that their itemizing value is a bit steep, although it nonetheless falls beneath a “funds” pc.

Learn our in-depth revue of the Aqua Lung i200C right here .

Mares Quad

Mares Quad Computer (Black)

Mares Quad Laptop (Black)

  • Straightforward to Use: The 4 button consumer interface allow you to navigate forwards and backwards and out and in of the menu construction to regulate settings and…
  • Three dive modes make the Quad straightforward to make use of with minimal problems, Air, Nitrox and Backside Timer mode is all you want for leisure diving and…
  • Modes: Air, Nitrox, Backside Timer

even one other prima donna calculator from Mares, the Mares Quad makes it onto this record as a result of it has a robust benefit in serviceability in comparison with the early merchandise on this value roll .
Most dive computer systems taut solely their dive options. Whereas the Mares Quad doesn ’ t miss in that division, Mares put especial consideration into the large defend with 4 bodily buttons for odd serviceability. Most early funds computer systems solely have one or two buttons and a bantam blind. That makes navigate and searching on the knowledge extra cumbersome than it must be .
With the Mares Quad, you may get the knowledge you want at a look, and you’ll navigate the interface to vary the settings effectively because of its quite a few buttons. Regardless of trying prefer it, the Mares Quad will not be cumbersome or awkward to put on and you’ll discover ways to use the menu in beneath 5 minutes .
As for options, it has three diving modes : Air, Nitrox, and Backside timer, with a battery that may final roughly 200-300 dives earlier than changing. It makes use of the RGBM Mares-Wienke algorithm and has a most depth show of 150m ( 492ft. )

  • Giant display screen with 4 bodily buttons makes navigating the menus a breeze.
  • Readability is additional elevated with sectioned info and clever placement of information.
  • Has a big most depth show of 150m (492ft)
  • Has a decompression dive planner that may be simply adjusted.
  • Lengthy battery life that may be changed by yourself.


  • Primary LCD display screen.
  • No air integration.
  • RGBM algorithm is barely dated.

Finest Dive Laptop Underneath $ 500 Shopping for Information

best budget dive computer
If you end up procuring on this value vary, you may lone get entry-level honkytonk computer systems with merely primary performance which might be genuine enough to maintain you secure throughout a prima donna. As for the precise options, right here is what to anticipate .

RGBM Algorithm with Changes

principally each honkytonk pc producer has their very own Lowered gradient burp mannequin ( RGBM ) algorithm that endlessly calculates your dive knowledge at totally different sampling charges .
With these calculations, the dive watch can decide how a lot clock time you’ve got left underwater based mostly on how cursorily the oxygen within the tank is getting used, whether or not you’re ascending excessively quick, your cleaning soap dive depth, present depth and early helpful knowledge .
In case your dive buddy has a dive pc from a distinct producer, you may anticipate the dive calculations to be totally different, so belief by yourself dive pc .
Most algorithms can have the conservatism of their calculations be adjusted thus that it’s extra button-down. This finally offers you with a higher security margin and peace of thoughts when dive .

Gasoline Mixes

dive computer systems beneath $ 500 could have the potential of getting one Nitrox combine and help oxygen ranges as much as 50 % .
Because you ’ rhenium on the lookout for a “ funds ” dive calculator, you’re most probably both a novice or newbie diver and managing one flatulence combine is generally sufficient. In reality, if you’re solely a free-and-easy SCUBA diver, a single flatulence combine could cowl you for a number of years or probably even a life .
Most newer and better finish fashions can deal with as much as two gasoline mixes. Once more, relying on how a lot of an fancier you’re, this might not be an authoritative have for you. For leisure divers, it’s usually a useless letter .

audible and ocular Alarms

You possibly can anticipate all prima donna computer systems inside this value bracket to supply audible and ocular alarms to warn you of a potential danger. You possibly can anticipate the comply to set off an alarm clock :

  • Dive time exceeded.
  • Excessive price of ascent.
  • Most depth violation.
  • Lacking a decompression cease.
  • Excessive pO2.

Newcomers are the most probably to make these errors, and fortunately all dive computer systems have alarms that alert the diver of any points .

Dive Log

reminiscence is crucial, and you’ll anticipate flush dive computer systems beneath $ 500 to have the ability to retailer the info of no less than the final 20 dives. In reality, some fashions have such spectacular reminiscence, they will document over 120+ hours of information, or roughly 75 dives .
broadly, the dive knowledge can be sampled at a hard and fast price. Some fashions assist you to regulate this price, for instance you may doubtlessly set it to document knowledge at 10, 20, 30, or 60 second intervals .

USB or Wi-fi Connectivity to Laptop

sadly, whereas most prima donna computer systems on their very own could also be lower than $ 500, some require you to buy their USB and software program individually. Doing sol could doubtlessly improve the value to round or over $ 500 .
nonetheless, some could assist you to use Bluetooth to wi-fi ship the info to your smartphone or pc. Earlier than buying a dive watch, look very fastidiously at how the info could be accessed so that you just don ’ triiodothyronine by likelihood need to pay further for a USB cable and software program .

Lacking Options

Alas, it might be nice should you might get one of the best honkytonk vigil beneath $ 500 with the entire glistening bells and whistles, nonetheless at this value vary you is perhaps lacking some options. as soon as once more, if you’re a newbie loon the lacking options might not be of so much concern to you since you could by no means want to make use of them in any case .

Dive Planner

regardless that dive computer systems at this value level gained ’ t include a dive planner, you may add the dive knowledge to your calculator and make dive plans on the calculator .

Air Integration

It’s extremely unbelievable that you will see that a dive pc with publicize integration at this value. If you happen to ’ re affected person and delay for a very good deal, you could discover one on sale that’s able to air integration, however you credibly gained ’ metric ton discover a dive watch with an air journey transmitter included .

Digital Compass

If you need an combine digital circumnavigate, it ’ south one thing that’s accessible sooner or later value vary above. Usually, when you begin dive computer systems within the $ 800- $ 1000 value vary, you’ll begin to see digital compasses being the norm as a part of their foremost options .


SCUBA gear is dear, and dive computer systems aren’t any exception. With that mentioned, there’s a good selection of fantastic prima donna computer systems beneath $ 500, and one of the best ones will present the entire primary options that may preserve you secure as you ’ rhenium dive subaqueous. As prima donna calculator expertise improves, you may even begin to see options that had been beforehand reserved for high-end honkytonk fashions begin showing in entry-level computer systems .
Which dive pc you choose will depend on how you propose to dive and your private preferences when it comes to its fashion and serviceability. Are you advantageous with carrying an outsize calculator, or do you like to put on a watch-sized mannequin which may in addition to be worn as a wristwatch in your informal animation ?
There are trade-offs for every fashion. A big show makes it simpler to learn the crucial info whereas in poor-visibility situations. The massive dimension in addition to makes battery substitute a lot simpler. On the early hand, watch-sized units usually should be despatched to a overhaul heart for battery substitute, and it’s tougher to learn the show.

moreover, do your ascribable utility and truly have a look at the technical capabilities of every dive pc. Sure, widespread ones from trusted manufacturers are comparatively comparable when it comes to numbers and they need to cowl the entire primary options. However it’s your obligation to what exactly its utmost operational depth is, for mannequin, or what sort of decompression algorithm it makes use of .
Bear in mind to in addition to test its conservatism settings, as a result of the entire interval of utilizing a honkytonk calculator is to make dive reliable, so with the ability to regulate the bottom hit settings is all-important. If a honkytonk calculator from a belief sword meets all your necessities and it’s beneath $ 500, then shopping for it ought to be a reliable wager .
final replace on 2021-10-30 / Affiliate hyperlinks / Pictures from Amazon Product Promoting API

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