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Cressi Leonardo Computer Console

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About Cressi Leonardo

Featured Reviews

See all 3 reviews

Enjoying my new computer

By heidi wolfgang

 -  Kalaheo, HI, US

Works great. Easy to read. Light weight. Comes with face protector. Easy to understand. Didn't notice a safety stop countdown.


Cheap, basic, effective, good quality, but needs a compass.

By Austin Brown

 -  Jacksonville, FL, US

Good value. Basic, cheap, gets the job done. Big downer is no compass.

The Cressi Leonardo Computer Console is an elegant expression of a simple and functional design, the Leonardo is a must have for divers entering the sport and those who just want to dive. A single button interface makes it effortless to program air, nitrox and gauge modes. Leonardo has a large edge to edge, high definition LCD screen that gives large numerical displays in a computer that is still compact and travel friendly. The Leonardo's easy to see battery life icon indicator and its distinct audible alarms deliver critical information as well as peace of mind during the dive.

The Leonardo features a new Cressi RGBM Algorithm, created in conjunction with the expertise of Bruce Wienke and based on the Haldane model, integrated with RGBM factors. This Algorithm allows for safe decompression calculations for multiple dives spread out over multiple days. The Leonardo computer by Cressi is a multifunctional instrument for sport diving. It will supply any wanted information on depth, dive times, decompression status, ascent rate and surface interval times between dives. Nitrogen absorption and release is continuously processed by its sophisticated software, considering the quantity of inert gases in the different mixtures which can be used. Such information is displayed on the instrument's large display, thanks to the PCD (Priority Compartment Digit Display) system, allowing an easy and direct dialogue between the diver and the computer, ensuring a clear understanding of all the data needed at any given time and a perfect readability in any situation. The computer is provided with clock and calendar, a versatile dive memory (logbook), as well as a dive simulator. The mathematical model of Leonardo can make saturation and de-saturation computations of dives carried out both with air and with nitrox, whose parameters can all be set: from the maximum allowed PO2 value between 17.4 and 23.2 psi (1.2 bar and 1.6 bar), to the mixture's oxygen percentage (FO2) between 21% and 50% of O2. Additionally, the instrument may be set by the user for either imperial (feet) or metric (meters) system. The Leonardo can also be fully re-set after each use, making it an excellent choice for rental departments.

The Cressi Leonardo Dive Computer has an Operational Depth from 0' to 393' (0 to 120 meters), is Powered by a user replaceable CR2430 3-volt battery, and is equipped with a 60 dive (70 hour), logbook memory function. The clock function can be set in a 12/24-hour formats. The computer is also altitude adjustable up to 12,139' (3,700 meters) and has a back-light feature for low light conditions. The computer comes with a comprehensive owner's manual.

The console is equipped with a submersible pressure gauge. The gauge has a luminescent dial that has readout from 0 to 5,000 psi. The instruments face is divided into three different Colored Zones: the area from 600 psi and below is highlighted in red with a solid bar and red stripes. If gauge is used on deeper dives, the red scale extends and fades to 1,300 psi. This provides for added reserve air indication required at greater depths. From 600 to approximately 3,000 psi is green and from 3,000 psi to end of scale is blue. The front glass lens is made to act as a pressure relief valve. In the event of a sudden increase in pressure inside the instrument, the glass rises slightly, allowing the excess pressure to escape. The instrument is housed in a small, modern shaped console boot, made from Polycarbonate and Desmopan, (a thermoplastic polyurethane) two materials that guarantee protection from shocks, scratches and which, at the same time, is very light. Pressure gauge comes with a 7/16" high-pressure hose. The entire 2-guage console is encapsulated in a durable impact resistant console boot with multiple attachment points for clips or lanyards.

Warranty Information

This product has a limited warranty of 24 months.


Cressi Leonardo Features

  • Cressi Leonardo Computer Console:
  • Complete Instrument Console
  • Computer and Pressure Gauge
  • Polycarbonate and Desmopan Construction Boot
  • Impact, Shock and Scratch Resistant
  • Computer: Cressi Leonardo Computer
  • Elegant Expression of a Simple and Functional Design
  • For Divers Who "Just-Want-to-Dive"
  • Single Button Interface for Effortless Programming
  • Modes: Air, Nitrox and Gauge
  • Large Edge-to-Edge, High-Definition LCD Screen
  • Large Numerical Displays
  • Compact and Travel-Friendly
  • Easy-to-See Battery Life Icon Indicator
  • Distinct Audible Alarms
  • Algorithm: RGBM Algorithm, Bruce Wienke/Haldane Model
  • Safe Decompression Calculations for Multiple Dives Over Multiple Days
  • Multifunctional Instrument for Sport Diving
  • Depth, Dive Times, Decompression Status
  • Ascent Rate and Surface Interval Times
  • Nitrogen Absorption and Release is Continuously Processed
  • PCD (Priority Compartment Digit Display) System
  • Easy and Direct Dialogue" Between Diver and Computer
  • Perfect Readability in Any Situation
  • Clock, Calendar and Temperature
  • 12/24 Hour Formats
  • Versatile Dive Memory (logbook): 60 Dives or 70 Hours On-Board Log
  • Dive Simulator Function
  • PO2 Value between 17.4 and 23.2 psi (1.2 bar and 1.6 bar)
  • (FO2) between 21% and 50% of O2
  • Imperial (feet) or Metric (meters) System Selectable
  • Reset Function for Multiple Users
  • Operational Depth: 0' to 393' (0 to 120 meters)
  • User Replaceable CR2430 3-Volt Battery
  • Altitude Adjustable Up to 12,139' (3,700 meters)
  • Back Light Feature for Low Light Conditions
  • Comprehensive Owner's Manual
  • Pressure Gauge:
  • Pressure Readout: 0 to 5,000 psi
  • Unique Glass Lens Pressure Relief Valve
  • Luminescent 3 Zone Color Coded Dial:
    Zone 1; 0 to 600 psi Red Reserve Air w/Fade to 1,300 psi for Deep Dive Reserve
    Zone 2; 600 to 3,000 psi Green
    Zone 3; 3,000 to 5,000 psi Blue
  • Small, Modern Shaped Compact SPG
  • 7/16" High Pressure Hose

Cressi Leonardo Computer Console Customer Reviews Powered by TurnTo®

Reviewed by 3 customers


Cheap, basic, effective, good quality, but needs a compass.


from Jacksonville, FL, US

Good value. Basic, cheap, gets the job done. Big downer is no compass.


Enjoying my new computer


from Kalaheo, HI, US

Works great. Easy to read. Light weight. Comes with face protector. Easy to understand. Didn't notice a safety stop countdown.


good basic computer


from orlando, FL, US

I like this computer. it is a little more conservative for dive times on the second dive than my older oceanic data max. but it is easy to read and to adjust the nitrox level for each dive. it doesn't turn on automatically when you enter the water. so remember that.


Questions & Answers Powered by TurnTo®

Questions about this item:

Shopper  Is there a place to mount a compas?
JAMES W  Not really but that would depend on the type of compass...
John M  Not that I can tell on this unit. There is a Leonardo 3-gauge unit with an integrated compass. I have been happy with my 3-gauge and have over 65 dives with it.
KEVIN W  I'm sure you can find a clamp on style and mount it to a gauge hose. I use a wrist watch style compass with my setup which I feel is far more accurate that way (less metal to interfere with proper function)
JOHN L  Not as designed. You’d have to get the consul that holds all three. BUT, my wrist compass has a feature that clips on to hoses. It fits on line. To do it right id go with the longer consul incorporating the compass, computer and pressure gauges
haim s  does the computer report the remaining pressure in the tank?
Mike T  Hi Haims, The Leonardo is not an air integrated computer.
haim s  thank you for your answer btw - is there a cressi budget computer that is air integrated and supports nitrox too? best regards
Mike T  Hi Haims, Sorry but currently Cressi does not offer an Air Integrated computer.
William S  No you have to rely on the regular gauge
Harry J  The air pressure doesn't show on the digital screen, but does show on the integrated analog pressure gauge.
haim s  first thank you very much. and since you own this - please let me know - is the pressure reported in BAR or PSI ? thank you again haim
Harry J  You can buy the computer in either BAR or PSI, this model should be the PSI one.
haim s  thanks again. btw - r u happy with this computer?
Harry J  I love it! As a dive master, it gives me all the info I need at a quick glance. Everything is easy to read and the console is well built.
haim s  Wouldn't you rather use an air integrated comp?
Harry J  I personally prefer the analog pressure gauge. It's what I've been diving on for years, and it is generally much more reliable than air integrated computers. Much like anything else in the world, the more complicated a system becomes, the greater the chance of a problem.
haim s  Thanks! this was most helpful. Never thought the fact the analog pressure is more intuitive and as for depth - I already rely on my wrist comp anyhow...
Harry J  I'm glad I could answer your questions. Enjoy!
haim s  is the readout of the pressure gauge in BAR or in PSI?
KRISTY K  Hi! You should be able to order it in either configuration.
THOMAS R  Mine is a PSI however I believe you can also get it with a bar display. Nice easy to use computer
JOHN L  This one is PSI
Mike T  Hi Haims, You get get this console in either BAR or PSI. If you want the BAR version go to this link
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